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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/reducercommutativity/avg40_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 16:01:42,918 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 16:01:42,920 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 16:01:42,932 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 16:01:42,932 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 16:01:42,933 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 16:01:42,934 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 16:01:42,936 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 16:01:42,938 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 16:01:42,939 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 16:01:42,940 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 16:01:42,940 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 16:01:42,941 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 16:01:42,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 16:01:42,943 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 16:01:42,944 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 16:01:42,945 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 16:01:42,946 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 16:01:42,948 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 16:01:42,950 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 16:01:42,951 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 16:01:42,952 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 16:01:42,955 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 16:01:42,955 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 16:01:42,955 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 16:01:42,956 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 16:01:42,958 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 16:01:42,958 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 16:01:42,959 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 16:01:42,962 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 16:01:42,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 16:01:42,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 16:01:42,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 16:01:42,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 16:01:42,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 16:01:42,971 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 16:01:42,971 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 [2018-11-14 16:01:43,001 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 16:01:43,001 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 16:01:43,002 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 16:01:43,002 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 16:01:43,003 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 16:01:43,003 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 16:01:43,003 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 16:01:43,004 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 16:01:43,004 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 16:01:43,004 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 16:01:43,004 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 16:01:43,004 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 16:01:43,005 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 16:01:43,005 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 16:01:43,005 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 16:01:43,005 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 16:01:43,005 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 16:01:43,007 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 16:01:43,007 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 16:01:43,008 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 16:01:43,008 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 16:01:43,008 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 16:01:43,008 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 16:01:43,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 16:01:43,009 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 16:01:43,009 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 16:01:43,009 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 16:01:43,010 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 16:01:43,010 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 16:01:43,010 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 16:01:43,010 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 16:01:43,010 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 16:01:43,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 16:01:43,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 16:01:43,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 16:01:43,073 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 16:01:43,074 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 16:01:43,074 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg40_true-unreach-call.i [2018-11-14 16:01:43,135 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecbc31bad/019aae512c564024b2712d72c75f3739/FLAGe3cd7079a [2018-11-14 16:01:43,616 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 16:01:43,616 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg40_true-unreach-call.i [2018-11-14 16:01:43,626 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecbc31bad/019aae512c564024b2712d72c75f3739/FLAGe3cd7079a [2018-11-14 16:01:43,643 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecbc31bad/019aae512c564024b2712d72c75f3739 [2018-11-14 16:01:43,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 16:01:43,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 16:01:43,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 16:01:43,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 16:01:43,660 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 16:01:43,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:01:43" (1/1) ... [2018-11-14 16:01:43,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749e6488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:43, skipping insertion in model container [2018-11-14 16:01:43,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:01:43" (1/1) ... [2018-11-14 16:01:43,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 16:01:43,701 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 16:01:43,950 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:01:43,969 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 16:01:44,012 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 16:01:44,031 INFO L195 MainTranslator]: Completed translation [2018-11-14 16:01:44,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:44 WrapperNode [2018-11-14 16:01:44,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 16:01:44,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 16:01:44,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 16:01:44,033 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 16:01:44,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:44" (1/1) ... [2018-11-14 16:01:44,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:44" (1/1) ... [2018-11-14 16:01:44,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:44" (1/1) ... [2018-11-14 16:01:44,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:44" (1/1) ... [2018-11-14 16:01:44,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:44" (1/1) ... [2018-11-14 16:01:44,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:44" (1/1) ... [2018-11-14 16:01:44,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:44" (1/1) ... [2018-11-14 16:01:44,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 16:01:44,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 16:01:44,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 16:01:44,091 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 16:01:44,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:44" (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 [2018-11-14 16:01:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 16:01:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 16:01:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2018-11-14 16:01:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 16:01:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 16:01:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 16:01:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2018-11-14 16:01:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-14 16:01:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 16:01:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 16:01:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-14 16:01:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 16:01:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 16:01:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 16:01:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-14 16:01:45,042 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 16:01:45,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:01:45 BoogieIcfgContainer [2018-11-14 16:01:45,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 16:01:45,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 16:01:45,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 16:01:45,048 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 16:01:45,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:01:43" (1/3) ... [2018-11-14 16:01:45,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b41a648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:01:45, skipping insertion in model container [2018-11-14 16:01:45,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:01:44" (2/3) ... [2018-11-14 16:01:45,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b41a648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:01:45, skipping insertion in model container [2018-11-14 16:01:45,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:01:45" (3/3) ... [2018-11-14 16:01:45,052 INFO L112 eAbstractionObserver]: Analyzing ICFG avg40_true-unreach-call.i [2018-11-14 16:01:45,063 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 16:01:45,073 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 16:01:45,093 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 16:01:45,127 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 16:01:45,128 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 16:01:45,128 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 16:01:45,129 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 16:01:45,129 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 16:01:45,129 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 16:01:45,129 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 16:01:45,130 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 16:01:45,130 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 16:01:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-11-14 16:01:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-14 16:01:45,157 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:01:45,158 INFO L375 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] [2018-11-14 16:01:45,161 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:01:45,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:01:45,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1401494287, now seen corresponding path program 1 times [2018-11-14 16:01:45,174 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:01:45,174 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 [2018-11-14 16:01:45,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:01:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:01:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:01:45,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:01:45,475 INFO L256 TraceCheckUtils]: 0: Hoare triple {37#true} call ULTIMATE.init(); {37#true} is VALID [2018-11-14 16:01:45,479 INFO L273 TraceCheckUtils]: 1: Hoare triple {37#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {37#true} is VALID [2018-11-14 16:01:45,480 INFO L273 TraceCheckUtils]: 2: Hoare triple {37#true} assume true; {37#true} is VALID [2018-11-14 16:01:45,480 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {37#true} {37#true} #69#return; {37#true} is VALID [2018-11-14 16:01:45,481 INFO L256 TraceCheckUtils]: 4: Hoare triple {37#true} call #t~ret12 := main(); {37#true} is VALID [2018-11-14 16:01:45,481 INFO L273 TraceCheckUtils]: 5: Hoare triple {37#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {37#true} is VALID [2018-11-14 16:01:45,483 INFO L273 TraceCheckUtils]: 6: Hoare triple {37#true} assume !true; {38#false} is VALID [2018-11-14 16:01:45,484 INFO L256 TraceCheckUtils]: 7: Hoare triple {38#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {38#false} is VALID [2018-11-14 16:01:45,484 INFO L273 TraceCheckUtils]: 8: Hoare triple {38#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; {38#false} is VALID [2018-11-14 16:01:45,484 INFO L273 TraceCheckUtils]: 9: Hoare triple {38#false} assume !true; {38#false} is VALID [2018-11-14 16:01:45,484 INFO L273 TraceCheckUtils]: 10: Hoare triple {38#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {38#false} is VALID [2018-11-14 16:01:45,485 INFO L273 TraceCheckUtils]: 11: Hoare triple {38#false} assume true; {38#false} is VALID [2018-11-14 16:01:45,485 INFO L268 TraceCheckUtils]: 12: Hoare quadruple {38#false} {38#false} #73#return; {38#false} is VALID [2018-11-14 16:01:45,485 INFO L273 TraceCheckUtils]: 13: Hoare triple {38#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); {38#false} is VALID [2018-11-14 16:01:45,485 INFO L256 TraceCheckUtils]: 14: Hoare triple {38#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {38#false} is VALID [2018-11-14 16:01:45,486 INFO L273 TraceCheckUtils]: 15: Hoare triple {38#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; {38#false} is VALID [2018-11-14 16:01:45,486 INFO L273 TraceCheckUtils]: 16: Hoare triple {38#false} assume !true; {38#false} is VALID [2018-11-14 16:01:45,486 INFO L273 TraceCheckUtils]: 17: Hoare triple {38#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {38#false} is VALID [2018-11-14 16:01:45,487 INFO L273 TraceCheckUtils]: 18: Hoare triple {38#false} assume true; {38#false} is VALID [2018-11-14 16:01:45,487 INFO L268 TraceCheckUtils]: 19: Hoare quadruple {38#false} {38#false} #75#return; {38#false} is VALID [2018-11-14 16:01:45,487 INFO L273 TraceCheckUtils]: 20: Hoare triple {38#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; {38#false} is VALID [2018-11-14 16:01:45,488 INFO L273 TraceCheckUtils]: 21: Hoare triple {38#false} assume !true; {38#false} is VALID [2018-11-14 16:01:45,488 INFO L273 TraceCheckUtils]: 22: Hoare triple {38#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {38#false} is VALID [2018-11-14 16:01:45,488 INFO L256 TraceCheckUtils]: 23: Hoare triple {38#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {38#false} is VALID [2018-11-14 16:01:45,489 INFO L273 TraceCheckUtils]: 24: Hoare triple {38#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; {38#false} is VALID [2018-11-14 16:01:45,489 INFO L273 TraceCheckUtils]: 25: Hoare triple {38#false} assume !true; {38#false} is VALID [2018-11-14 16:01:45,489 INFO L273 TraceCheckUtils]: 26: Hoare triple {38#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {38#false} is VALID [2018-11-14 16:01:45,490 INFO L273 TraceCheckUtils]: 27: Hoare triple {38#false} assume true; {38#false} is VALID [2018-11-14 16:01:45,490 INFO L268 TraceCheckUtils]: 28: Hoare quadruple {38#false} {38#false} #77#return; {38#false} is VALID [2018-11-14 16:01:45,490 INFO L273 TraceCheckUtils]: 29: Hoare triple {38#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {38#false} is VALID [2018-11-14 16:01:45,490 INFO L273 TraceCheckUtils]: 30: Hoare triple {38#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {38#false} is VALID [2018-11-14 16:01:45,491 INFO L273 TraceCheckUtils]: 31: Hoare triple {38#false} assume !false; {38#false} is VALID [2018-11-14 16:01:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-14 16:01:45,498 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:01:45,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:01:45,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 16:01:45,517 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-11-14 16:01:45,523 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:01:45,527 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 16:01:45,724 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:01:45,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 16:01:45,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 16:01:45,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 16:01:45,738 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2018-11-14 16:01:46,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:46,066 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2018-11-14 16:01:46,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 16:01:46,067 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-11-14 16:01:46,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:01:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 16:01:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 76 transitions. [2018-11-14 16:01:46,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 16:01:46,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 76 transitions. [2018-11-14 16:01:46,091 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 76 transitions. [2018-11-14 16:01:46,774 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:01:46,797 INFO L225 Difference]: With dead ends: 59 [2018-11-14 16:01:46,797 INFO L226 Difference]: Without dead ends: 29 [2018-11-14 16:01:46,804 INFO L604 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 [2018-11-14 16:01:46,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-14 16:01:46,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-11-14 16:01:46,983 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:01:46,984 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2018-11-14 16:01:46,984 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2018-11-14 16:01:46,985 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2018-11-14 16:01:47,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:47,002 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2018-11-14 16:01:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2018-11-14 16:01:47,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:01:47,004 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:01:47,004 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2018-11-14 16:01:47,004 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2018-11-14 16:01:47,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:47,018 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2018-11-14 16:01:47,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2018-11-14 16:01:47,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:01:47,023 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:01:47,023 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:01:47,023 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:01:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-14 16:01:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2018-11-14 16:01:47,037 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 32 [2018-11-14 16:01:47,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:01:47,038 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2018-11-14 16:01:47,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 16:01:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2018-11-14 16:01:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-14 16:01:47,042 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:01:47,043 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-14 16:01:47,043 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:01:47,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:01:47,044 INFO L82 PathProgramCache]: Analyzing trace with hash -741637549, now seen corresponding path program 1 times [2018-11-14 16:01:47,045 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:01:47,046 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 [2018-11-14 16:01:47,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:01:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:01:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:01:48,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:01:48,119 INFO L256 TraceCheckUtils]: 0: Hoare triple {308#true} call ULTIMATE.init(); {308#true} is VALID [2018-11-14 16:01:48,120 INFO L273 TraceCheckUtils]: 1: Hoare triple {308#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {308#true} is VALID [2018-11-14 16:01:48,120 INFO L273 TraceCheckUtils]: 2: Hoare triple {308#true} assume true; {308#true} is VALID [2018-11-14 16:01:48,120 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {308#true} {308#true} #69#return; {308#true} is VALID [2018-11-14 16:01:48,121 INFO L256 TraceCheckUtils]: 4: Hoare triple {308#true} call #t~ret12 := main(); {308#true} is VALID [2018-11-14 16:01:48,141 INFO L273 TraceCheckUtils]: 5: Hoare triple {308#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {328#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:48,155 INFO L273 TraceCheckUtils]: 6: Hoare triple {328#(= main_~i~1 (_ bv0 32))} assume true; {328#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:48,166 INFO L273 TraceCheckUtils]: 7: Hoare triple {328#(= main_~i~1 (_ bv0 32))} assume !~bvslt32(~i~1, 40bv32); {309#false} is VALID [2018-11-14 16:01:48,167 INFO L256 TraceCheckUtils]: 8: Hoare triple {309#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {309#false} is VALID [2018-11-14 16:01:48,167 INFO L273 TraceCheckUtils]: 9: Hoare triple {309#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; {309#false} is VALID [2018-11-14 16:01:48,167 INFO L273 TraceCheckUtils]: 10: Hoare triple {309#false} assume true; {309#false} is VALID [2018-11-14 16:01:48,167 INFO L273 TraceCheckUtils]: 11: Hoare triple {309#false} assume !~bvslt32(~i~0, 40bv32); {309#false} is VALID [2018-11-14 16:01:48,168 INFO L273 TraceCheckUtils]: 12: Hoare triple {309#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {309#false} is VALID [2018-11-14 16:01:48,168 INFO L273 TraceCheckUtils]: 13: Hoare triple {309#false} assume true; {309#false} is VALID [2018-11-14 16:01:48,168 INFO L268 TraceCheckUtils]: 14: Hoare quadruple {309#false} {309#false} #73#return; {309#false} is VALID [2018-11-14 16:01:48,168 INFO L273 TraceCheckUtils]: 15: Hoare triple {309#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); {309#false} is VALID [2018-11-14 16:01:48,169 INFO L256 TraceCheckUtils]: 16: Hoare triple {309#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {309#false} is VALID [2018-11-14 16:01:48,169 INFO L273 TraceCheckUtils]: 17: Hoare triple {309#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; {309#false} is VALID [2018-11-14 16:01:48,170 INFO L273 TraceCheckUtils]: 18: Hoare triple {309#false} assume true; {309#false} is VALID [2018-11-14 16:01:48,170 INFO L273 TraceCheckUtils]: 19: Hoare triple {309#false} assume !~bvslt32(~i~0, 40bv32); {309#false} is VALID [2018-11-14 16:01:48,170 INFO L273 TraceCheckUtils]: 20: Hoare triple {309#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {309#false} is VALID [2018-11-14 16:01:48,171 INFO L273 TraceCheckUtils]: 21: Hoare triple {309#false} assume true; {309#false} is VALID [2018-11-14 16:01:48,171 INFO L268 TraceCheckUtils]: 22: Hoare quadruple {309#false} {309#false} #75#return; {309#false} is VALID [2018-11-14 16:01:48,171 INFO L273 TraceCheckUtils]: 23: Hoare triple {309#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; {309#false} is VALID [2018-11-14 16:01:48,172 INFO L273 TraceCheckUtils]: 24: Hoare triple {309#false} assume true; {309#false} is VALID [2018-11-14 16:01:48,172 INFO L273 TraceCheckUtils]: 25: Hoare triple {309#false} assume !~bvslt32(~i~2, 39bv32); {309#false} is VALID [2018-11-14 16:01:48,172 INFO L273 TraceCheckUtils]: 26: Hoare triple {309#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {309#false} is VALID [2018-11-14 16:01:48,173 INFO L256 TraceCheckUtils]: 27: Hoare triple {309#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {309#false} is VALID [2018-11-14 16:01:48,173 INFO L273 TraceCheckUtils]: 28: Hoare triple {309#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; {309#false} is VALID [2018-11-14 16:01:48,173 INFO L273 TraceCheckUtils]: 29: Hoare triple {309#false} assume true; {309#false} is VALID [2018-11-14 16:01:48,174 INFO L273 TraceCheckUtils]: 30: Hoare triple {309#false} assume !~bvslt32(~i~0, 40bv32); {309#false} is VALID [2018-11-14 16:01:48,174 INFO L273 TraceCheckUtils]: 31: Hoare triple {309#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {309#false} is VALID [2018-11-14 16:01:48,174 INFO L273 TraceCheckUtils]: 32: Hoare triple {309#false} assume true; {309#false} is VALID [2018-11-14 16:01:48,175 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {309#false} {309#false} #77#return; {309#false} is VALID [2018-11-14 16:01:48,175 INFO L273 TraceCheckUtils]: 34: Hoare triple {309#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {309#false} is VALID [2018-11-14 16:01:48,176 INFO L273 TraceCheckUtils]: 35: Hoare triple {309#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {309#false} is VALID [2018-11-14 16:01:48,176 INFO L273 TraceCheckUtils]: 36: Hoare triple {309#false} assume !false; {309#false} is VALID [2018-11-14 16:01:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-14 16:01:48,179 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:01:48,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:01:48,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 16:01:48,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-11-14 16:01:48,190 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:01:48,190 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 16:01:48,343 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:01:48,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 16:01:48,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 16:01:48,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 16:01:48,344 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 3 states. [2018-11-14 16:01:48,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:48,720 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2018-11-14 16:01:48,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 16:01:48,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-11-14 16:01:48,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:01:48,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 16:01:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2018-11-14 16:01:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 16:01:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 60 transitions. [2018-11-14 16:01:48,729 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 60 transitions. [2018-11-14 16:01:49,115 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:01:49,118 INFO L225 Difference]: With dead ends: 52 [2018-11-14 16:01:49,118 INFO L226 Difference]: Without dead ends: 32 [2018-11-14 16:01:49,119 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 16:01:49,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-14 16:01:49,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2018-11-14 16:01:49,133 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:01:49,134 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 31 states. [2018-11-14 16:01:49,134 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 31 states. [2018-11-14 16:01:49,134 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 31 states. [2018-11-14 16:01:49,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:49,137 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2018-11-14 16:01:49,137 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-11-14 16:01:49,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:01:49,139 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:01:49,139 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 32 states. [2018-11-14 16:01:49,139 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 32 states. [2018-11-14 16:01:49,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:49,148 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2018-11-14 16:01:49,148 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-11-14 16:01:49,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:01:49,149 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:01:49,149 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:01:49,149 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:01:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-14 16:01:49,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2018-11-14 16:01:49,152 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 37 [2018-11-14 16:01:49,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:01:49,155 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2018-11-14 16:01:49,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 16:01:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2018-11-14 16:01:49,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-14 16:01:49,157 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:01:49,157 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 16:01:49,157 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:01:49,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:01:49,158 INFO L82 PathProgramCache]: Analyzing trace with hash 989317657, now seen corresponding path program 1 times [2018-11-14 16:01:49,159 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:01:49,159 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 [2018-11-14 16:01:49,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 16:01:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:01:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:01:50,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:01:50,175 INFO L256 TraceCheckUtils]: 0: Hoare triple {598#true} call ULTIMATE.init(); {598#true} is VALID [2018-11-14 16:01:50,175 INFO L273 TraceCheckUtils]: 1: Hoare triple {598#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {598#true} is VALID [2018-11-14 16:01:50,176 INFO L273 TraceCheckUtils]: 2: Hoare triple {598#true} assume true; {598#true} is VALID [2018-11-14 16:01:50,177 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {598#true} {598#true} #69#return; {598#true} is VALID [2018-11-14 16:01:50,177 INFO L256 TraceCheckUtils]: 4: Hoare triple {598#true} call #t~ret12 := main(); {598#true} is VALID [2018-11-14 16:01:50,177 INFO L273 TraceCheckUtils]: 5: Hoare triple {598#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {618#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:50,180 INFO L273 TraceCheckUtils]: 6: Hoare triple {618#(= main_~i~1 (_ bv0 32))} assume true; {618#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:50,181 INFO L273 TraceCheckUtils]: 7: Hoare triple {618#(= main_~i~1 (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {618#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:50,182 INFO L273 TraceCheckUtils]: 8: Hoare triple {618#(= main_~i~1 (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {628#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:50,187 INFO L273 TraceCheckUtils]: 9: Hoare triple {628#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume true; {628#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:50,199 INFO L273 TraceCheckUtils]: 10: Hoare triple {628#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume !~bvslt32(~i~1, 40bv32); {599#false} is VALID [2018-11-14 16:01:50,200 INFO L256 TraceCheckUtils]: 11: Hoare triple {599#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {599#false} is VALID [2018-11-14 16:01:50,200 INFO L273 TraceCheckUtils]: 12: Hoare triple {599#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; {599#false} is VALID [2018-11-14 16:01:50,200 INFO L273 TraceCheckUtils]: 13: Hoare triple {599#false} assume true; {599#false} is VALID [2018-11-14 16:01:50,200 INFO L273 TraceCheckUtils]: 14: Hoare triple {599#false} assume !~bvslt32(~i~0, 40bv32); {599#false} is VALID [2018-11-14 16:01:50,201 INFO L273 TraceCheckUtils]: 15: Hoare triple {599#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {599#false} is VALID [2018-11-14 16:01:50,201 INFO L273 TraceCheckUtils]: 16: Hoare triple {599#false} assume true; {599#false} is VALID [2018-11-14 16:01:50,201 INFO L268 TraceCheckUtils]: 17: Hoare quadruple {599#false} {599#false} #73#return; {599#false} is VALID [2018-11-14 16:01:50,201 INFO L273 TraceCheckUtils]: 18: Hoare triple {599#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); {599#false} is VALID [2018-11-14 16:01:50,202 INFO L256 TraceCheckUtils]: 19: Hoare triple {599#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {599#false} is VALID [2018-11-14 16:01:50,202 INFO L273 TraceCheckUtils]: 20: Hoare triple {599#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; {599#false} is VALID [2018-11-14 16:01:50,202 INFO L273 TraceCheckUtils]: 21: Hoare triple {599#false} assume true; {599#false} is VALID [2018-11-14 16:01:50,202 INFO L273 TraceCheckUtils]: 22: Hoare triple {599#false} assume !~bvslt32(~i~0, 40bv32); {599#false} is VALID [2018-11-14 16:01:50,203 INFO L273 TraceCheckUtils]: 23: Hoare triple {599#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {599#false} is VALID [2018-11-14 16:01:50,203 INFO L273 TraceCheckUtils]: 24: Hoare triple {599#false} assume true; {599#false} is VALID [2018-11-14 16:01:50,203 INFO L268 TraceCheckUtils]: 25: Hoare quadruple {599#false} {599#false} #75#return; {599#false} is VALID [2018-11-14 16:01:50,204 INFO L273 TraceCheckUtils]: 26: Hoare triple {599#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; {599#false} is VALID [2018-11-14 16:01:50,204 INFO L273 TraceCheckUtils]: 27: Hoare triple {599#false} assume true; {599#false} is VALID [2018-11-14 16:01:50,204 INFO L273 TraceCheckUtils]: 28: Hoare triple {599#false} assume !~bvslt32(~i~2, 39bv32); {599#false} is VALID [2018-11-14 16:01:50,205 INFO L273 TraceCheckUtils]: 29: Hoare triple {599#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {599#false} is VALID [2018-11-14 16:01:50,205 INFO L256 TraceCheckUtils]: 30: Hoare triple {599#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {599#false} is VALID [2018-11-14 16:01:50,205 INFO L273 TraceCheckUtils]: 31: Hoare triple {599#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; {599#false} is VALID [2018-11-14 16:01:50,206 INFO L273 TraceCheckUtils]: 32: Hoare triple {599#false} assume true; {599#false} is VALID [2018-11-14 16:01:50,206 INFO L273 TraceCheckUtils]: 33: Hoare triple {599#false} assume !~bvslt32(~i~0, 40bv32); {599#false} is VALID [2018-11-14 16:01:50,206 INFO L273 TraceCheckUtils]: 34: Hoare triple {599#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {599#false} is VALID [2018-11-14 16:01:50,206 INFO L273 TraceCheckUtils]: 35: Hoare triple {599#false} assume true; {599#false} is VALID [2018-11-14 16:01:50,207 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {599#false} {599#false} #77#return; {599#false} is VALID [2018-11-14 16:01:50,207 INFO L273 TraceCheckUtils]: 37: Hoare triple {599#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {599#false} is VALID [2018-11-14 16:01:50,207 INFO L273 TraceCheckUtils]: 38: Hoare triple {599#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {599#false} is VALID [2018-11-14 16:01:50,208 INFO L273 TraceCheckUtils]: 39: Hoare triple {599#false} assume !false; {599#false} is VALID [2018-11-14 16:01:50,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-14 16:01:50,211 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 16:01:50,399 INFO L273 TraceCheckUtils]: 39: Hoare triple {599#false} assume !false; {599#false} is VALID [2018-11-14 16:01:50,400 INFO L273 TraceCheckUtils]: 38: Hoare triple {599#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {599#false} is VALID [2018-11-14 16:01:50,400 INFO L273 TraceCheckUtils]: 37: Hoare triple {599#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {599#false} is VALID [2018-11-14 16:01:50,401 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {598#true} {599#false} #77#return; {599#false} is VALID [2018-11-14 16:01:50,401 INFO L273 TraceCheckUtils]: 35: Hoare triple {598#true} assume true; {598#true} is VALID [2018-11-14 16:01:50,402 INFO L273 TraceCheckUtils]: 34: Hoare triple {598#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {598#true} is VALID [2018-11-14 16:01:50,402 INFO L273 TraceCheckUtils]: 33: Hoare triple {598#true} assume !~bvslt32(~i~0, 40bv32); {598#true} is VALID [2018-11-14 16:01:50,402 INFO L273 TraceCheckUtils]: 32: Hoare triple {598#true} assume true; {598#true} is VALID [2018-11-14 16:01:50,403 INFO L273 TraceCheckUtils]: 31: Hoare triple {598#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; {598#true} is VALID [2018-11-14 16:01:50,403 INFO L256 TraceCheckUtils]: 30: Hoare triple {599#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {598#true} is VALID [2018-11-14 16:01:50,403 INFO L273 TraceCheckUtils]: 29: Hoare triple {599#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {599#false} is VALID [2018-11-14 16:01:50,403 INFO L273 TraceCheckUtils]: 28: Hoare triple {599#false} assume !~bvslt32(~i~2, 39bv32); {599#false} is VALID [2018-11-14 16:01:50,404 INFO L273 TraceCheckUtils]: 27: Hoare triple {599#false} assume true; {599#false} is VALID [2018-11-14 16:01:50,404 INFO L273 TraceCheckUtils]: 26: Hoare triple {599#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; {599#false} is VALID [2018-11-14 16:01:50,404 INFO L268 TraceCheckUtils]: 25: Hoare quadruple {598#true} {599#false} #75#return; {599#false} is VALID [2018-11-14 16:01:50,405 INFO L273 TraceCheckUtils]: 24: Hoare triple {598#true} assume true; {598#true} is VALID [2018-11-14 16:01:50,405 INFO L273 TraceCheckUtils]: 23: Hoare triple {598#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {598#true} is VALID [2018-11-14 16:01:50,405 INFO L273 TraceCheckUtils]: 22: Hoare triple {598#true} assume !~bvslt32(~i~0, 40bv32); {598#true} is VALID [2018-11-14 16:01:50,406 INFO L273 TraceCheckUtils]: 21: Hoare triple {598#true} assume true; {598#true} is VALID [2018-11-14 16:01:50,406 INFO L273 TraceCheckUtils]: 20: Hoare triple {598#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; {598#true} is VALID [2018-11-14 16:01:50,406 INFO L256 TraceCheckUtils]: 19: Hoare triple {599#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {598#true} is VALID [2018-11-14 16:01:50,407 INFO L273 TraceCheckUtils]: 18: Hoare triple {599#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); {599#false} is VALID [2018-11-14 16:01:50,407 INFO L268 TraceCheckUtils]: 17: Hoare quadruple {598#true} {599#false} #73#return; {599#false} is VALID [2018-11-14 16:01:50,407 INFO L273 TraceCheckUtils]: 16: Hoare triple {598#true} assume true; {598#true} is VALID [2018-11-14 16:01:50,407 INFO L273 TraceCheckUtils]: 15: Hoare triple {598#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {598#true} is VALID [2018-11-14 16:01:50,408 INFO L273 TraceCheckUtils]: 14: Hoare triple {598#true} assume !~bvslt32(~i~0, 40bv32); {598#true} is VALID [2018-11-14 16:01:50,408 INFO L273 TraceCheckUtils]: 13: Hoare triple {598#true} assume true; {598#true} is VALID [2018-11-14 16:01:50,408 INFO L273 TraceCheckUtils]: 12: Hoare triple {598#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; {598#true} is VALID [2018-11-14 16:01:50,409 INFO L256 TraceCheckUtils]: 11: Hoare triple {599#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {598#true} is VALID [2018-11-14 16:01:50,423 INFO L273 TraceCheckUtils]: 10: Hoare triple {809#(bvslt main_~i~1 (_ bv40 32))} assume !~bvslt32(~i~1, 40bv32); {599#false} is VALID [2018-11-14 16:01:50,426 INFO L273 TraceCheckUtils]: 9: Hoare triple {809#(bvslt main_~i~1 (_ bv40 32))} assume true; {809#(bvslt main_~i~1 (_ bv40 32))} is VALID [2018-11-14 16:01:50,427 INFO L273 TraceCheckUtils]: 8: Hoare triple {816#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {809#(bvslt main_~i~1 (_ bv40 32))} is VALID [2018-11-14 16:01:50,428 INFO L273 TraceCheckUtils]: 7: Hoare triple {816#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {816#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:50,428 INFO L273 TraceCheckUtils]: 6: Hoare triple {816#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} assume true; {816#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:50,431 INFO L273 TraceCheckUtils]: 5: Hoare triple {598#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {816#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:50,431 INFO L256 TraceCheckUtils]: 4: Hoare triple {598#true} call #t~ret12 := main(); {598#true} is VALID [2018-11-14 16:01:50,431 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {598#true} {598#true} #69#return; {598#true} is VALID [2018-11-14 16:01:50,432 INFO L273 TraceCheckUtils]: 2: Hoare triple {598#true} assume true; {598#true} is VALID [2018-11-14 16:01:50,432 INFO L273 TraceCheckUtils]: 1: Hoare triple {598#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {598#true} is VALID [2018-11-14 16:01:50,432 INFO L256 TraceCheckUtils]: 0: Hoare triple {598#true} call ULTIMATE.init(); {598#true} is VALID [2018-11-14 16:01:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-14 16:01:50,448 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 16:01:50,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-14 16:01:50,449 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-11-14 16:01:50,451 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:01:50,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-14 16:01:50,730 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:01:50,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-14 16:01:50,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-14 16:01:50,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-14 16:01:50,731 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 6 states. [2018-11-14 16:01:51,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:51,369 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2018-11-14 16:01:51,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-14 16:01:51,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2018-11-14 16:01:51,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:01:51,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-14 16:01:51,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2018-11-14 16:01:51,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-14 16:01:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2018-11-14 16:01:51,377 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 70 transitions. [2018-11-14 16:01:51,664 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:01:51,666 INFO L225 Difference]: With dead ends: 60 [2018-11-14 16:01:51,666 INFO L226 Difference]: Without dead ends: 40 [2018-11-14 16:01:51,667 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-14 16:01:51,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-14 16:01:51,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-11-14 16:01:51,682 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:01:51,682 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 40 states. [2018-11-14 16:01:51,682 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2018-11-14 16:01:51,683 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2018-11-14 16:01:51,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:51,686 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-11-14 16:01:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-11-14 16:01:51,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:01:51,687 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:01:51,687 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2018-11-14 16:01:51,688 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2018-11-14 16:01:51,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:51,691 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-11-14 16:01:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-11-14 16:01:51,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:01:51,692 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:01:51,692 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:01:51,692 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:01:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-14 16:01:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-11-14 16:01:51,695 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 40 [2018-11-14 16:01:51,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:01:51,696 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-11-14 16:01:51,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-14 16:01:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-11-14 16:01:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-14 16:01:51,698 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:01:51,698 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 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] [2018-11-14 16:01:51,698 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:01:51,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:01:51,699 INFO L82 PathProgramCache]: Analyzing trace with hash -384166189, now seen corresponding path program 2 times [2018-11-14 16:01:51,699 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:01:51,700 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 [2018-11-14 16:01:51,718 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-14 16:01:51,949 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-14 16:01:51,949 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 16:01:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:01:52,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:01:52,078 INFO L256 TraceCheckUtils]: 0: Hoare triple {1061#true} call ULTIMATE.init(); {1061#true} is VALID [2018-11-14 16:01:52,078 INFO L273 TraceCheckUtils]: 1: Hoare triple {1061#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1061#true} is VALID [2018-11-14 16:01:52,079 INFO L273 TraceCheckUtils]: 2: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,079 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1061#true} {1061#true} #69#return; {1061#true} is VALID [2018-11-14 16:01:52,081 INFO L256 TraceCheckUtils]: 4: Hoare triple {1061#true} call #t~ret12 := main(); {1061#true} is VALID [2018-11-14 16:01:52,081 INFO L273 TraceCheckUtils]: 5: Hoare triple {1061#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {1061#true} is VALID [2018-11-14 16:01:52,081 INFO L273 TraceCheckUtils]: 6: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,082 INFO L273 TraceCheckUtils]: 7: Hoare triple {1061#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1061#true} is VALID [2018-11-14 16:01:52,082 INFO L273 TraceCheckUtils]: 8: Hoare triple {1061#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1061#true} is VALID [2018-11-14 16:01:52,082 INFO L273 TraceCheckUtils]: 9: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,083 INFO L273 TraceCheckUtils]: 10: Hoare triple {1061#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1061#true} is VALID [2018-11-14 16:01:52,083 INFO L273 TraceCheckUtils]: 11: Hoare triple {1061#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1061#true} is VALID [2018-11-14 16:01:52,083 INFO L273 TraceCheckUtils]: 12: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,083 INFO L273 TraceCheckUtils]: 13: Hoare triple {1061#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1061#true} is VALID [2018-11-14 16:01:52,083 INFO L273 TraceCheckUtils]: 14: Hoare triple {1061#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1061#true} is VALID [2018-11-14 16:01:52,084 INFO L273 TraceCheckUtils]: 15: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,084 INFO L273 TraceCheckUtils]: 16: Hoare triple {1061#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1061#true} is VALID [2018-11-14 16:01:52,084 INFO L273 TraceCheckUtils]: 17: Hoare triple {1061#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1061#true} is VALID [2018-11-14 16:01:52,084 INFO L273 TraceCheckUtils]: 18: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,085 INFO L273 TraceCheckUtils]: 19: Hoare triple {1061#true} assume !~bvslt32(~i~1, 40bv32); {1061#true} is VALID [2018-11-14 16:01:52,085 INFO L256 TraceCheckUtils]: 20: Hoare triple {1061#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {1061#true} is VALID [2018-11-14 16:01:52,085 INFO L273 TraceCheckUtils]: 21: Hoare triple {1061#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; {1061#true} is VALID [2018-11-14 16:01:52,085 INFO L273 TraceCheckUtils]: 22: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,086 INFO L273 TraceCheckUtils]: 23: Hoare triple {1061#true} assume !~bvslt32(~i~0, 40bv32); {1061#true} is VALID [2018-11-14 16:01:52,086 INFO L273 TraceCheckUtils]: 24: Hoare triple {1061#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {1061#true} is VALID [2018-11-14 16:01:52,086 INFO L273 TraceCheckUtils]: 25: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,087 INFO L268 TraceCheckUtils]: 26: Hoare quadruple {1061#true} {1061#true} #73#return; {1061#true} is VALID [2018-11-14 16:01:52,087 INFO L273 TraceCheckUtils]: 27: Hoare triple {1061#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); {1061#true} is VALID [2018-11-14 16:01:52,087 INFO L256 TraceCheckUtils]: 28: Hoare triple {1061#true} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {1061#true} is VALID [2018-11-14 16:01:52,087 INFO L273 TraceCheckUtils]: 29: Hoare triple {1061#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; {1061#true} is VALID [2018-11-14 16:01:52,087 INFO L273 TraceCheckUtils]: 30: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,088 INFO L273 TraceCheckUtils]: 31: Hoare triple {1061#true} assume !~bvslt32(~i~0, 40bv32); {1061#true} is VALID [2018-11-14 16:01:52,088 INFO L273 TraceCheckUtils]: 32: Hoare triple {1061#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {1061#true} is VALID [2018-11-14 16:01:52,088 INFO L273 TraceCheckUtils]: 33: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,088 INFO L268 TraceCheckUtils]: 34: Hoare quadruple {1061#true} {1061#true} #75#return; {1061#true} is VALID [2018-11-14 16:01:52,088 INFO L273 TraceCheckUtils]: 35: Hoare triple {1061#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; {1061#true} is VALID [2018-11-14 16:01:52,089 INFO L273 TraceCheckUtils]: 36: Hoare triple {1061#true} assume true; {1061#true} is VALID [2018-11-14 16:01:52,089 INFO L273 TraceCheckUtils]: 37: Hoare triple {1061#true} assume !~bvslt32(~i~2, 39bv32); {1061#true} is VALID [2018-11-14 16:01:52,089 INFO L273 TraceCheckUtils]: 38: Hoare triple {1061#true} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {1061#true} is VALID [2018-11-14 16:01:52,089 INFO L256 TraceCheckUtils]: 39: Hoare triple {1061#true} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {1061#true} is VALID [2018-11-14 16:01:52,090 INFO L273 TraceCheckUtils]: 40: Hoare triple {1061#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; {1186#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-14 16:01:52,091 INFO L273 TraceCheckUtils]: 41: Hoare triple {1186#(= (_ bv0 32) avg_~i~0)} assume true; {1186#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-14 16:01:52,091 INFO L273 TraceCheckUtils]: 42: Hoare triple {1186#(= (_ bv0 32) avg_~i~0)} assume !~bvslt32(~i~0, 40bv32); {1062#false} is VALID [2018-11-14 16:01:52,091 INFO L273 TraceCheckUtils]: 43: Hoare triple {1062#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {1062#false} is VALID [2018-11-14 16:01:52,092 INFO L273 TraceCheckUtils]: 44: Hoare triple {1062#false} assume true; {1062#false} is VALID [2018-11-14 16:01:52,092 INFO L268 TraceCheckUtils]: 45: Hoare quadruple {1062#false} {1061#true} #77#return; {1062#false} is VALID [2018-11-14 16:01:52,092 INFO L273 TraceCheckUtils]: 46: Hoare triple {1062#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {1062#false} is VALID [2018-11-14 16:01:52,092 INFO L273 TraceCheckUtils]: 47: Hoare triple {1062#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {1062#false} is VALID [2018-11-14 16:01:52,093 INFO L273 TraceCheckUtils]: 48: Hoare triple {1062#false} assume !false; {1062#false} is VALID [2018-11-14 16:01:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-14 16:01:52,096 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 16:01:52,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 16:01:52,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-14 16:01:52,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-11-14 16:01:52,105 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:01:52,105 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-14 16:01:52,328 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:01:52,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-14 16:01:52,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-14 16:01:52,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 16:01:52,329 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 3 states. [2018-11-14 16:01:52,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:52,678 INFO L93 Difference]: Finished difference Result 62 states and 72 transitions. [2018-11-14 16:01:52,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-14 16:01:52,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-11-14 16:01:52,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:01:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 16:01:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2018-11-14 16:01:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-14 16:01:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2018-11-14 16:01:52,684 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 61 transitions. [2018-11-14 16:01:53,049 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:01:53,051 INFO L225 Difference]: With dead ends: 62 [2018-11-14 16:01:53,052 INFO L226 Difference]: Without dead ends: 43 [2018-11-14 16:01:53,053 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-14 16:01:53,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-14 16:01:53,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2018-11-14 16:01:53,089 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:01:53,089 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 42 states. [2018-11-14 16:01:53,090 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 42 states. [2018-11-14 16:01:53,090 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 42 states. [2018-11-14 16:01:53,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:53,092 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2018-11-14 16:01:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-11-14 16:01:53,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:01:53,093 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:01:53,094 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand 43 states. [2018-11-14 16:01:53,094 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 43 states. [2018-11-14 16:01:53,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:53,097 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2018-11-14 16:01:53,097 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-11-14 16:01:53,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:01:53,098 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:01:53,098 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:01:53,098 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:01:53,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-14 16:01:53,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-11-14 16:01:53,101 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 49 [2018-11-14 16:01:53,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:01:53,102 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-11-14 16:01:53,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-14 16:01:53,102 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-11-14 16:01:53,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-14 16:01:53,103 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:01:53,104 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 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, 1] [2018-11-14 16:01:53,104 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:01:53,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:01:53,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1791434779, now seen corresponding path program 1 times [2018-11-14 16:01:53,105 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:01:53,105 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 [2018-11-14 16:01:53,144 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-14 16:01:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:01:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:01:54,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:01:54,140 INFO L256 TraceCheckUtils]: 0: Hoare triple {1437#true} call ULTIMATE.init(); {1437#true} is VALID [2018-11-14 16:01:54,141 INFO L273 TraceCheckUtils]: 1: Hoare triple {1437#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1437#true} is VALID [2018-11-14 16:01:54,141 INFO L273 TraceCheckUtils]: 2: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,141 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1437#true} {1437#true} #69#return; {1437#true} is VALID [2018-11-14 16:01:54,142 INFO L256 TraceCheckUtils]: 4: Hoare triple {1437#true} call #t~ret12 := main(); {1437#true} is VALID [2018-11-14 16:01:54,147 INFO L273 TraceCheckUtils]: 5: Hoare triple {1437#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {1457#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:54,148 INFO L273 TraceCheckUtils]: 6: Hoare triple {1457#(= main_~i~1 (_ bv0 32))} assume true; {1457#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:54,149 INFO L273 TraceCheckUtils]: 7: Hoare triple {1457#(= main_~i~1 (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1457#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:54,149 INFO L273 TraceCheckUtils]: 8: Hoare triple {1457#(= main_~i~1 (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1467#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,150 INFO L273 TraceCheckUtils]: 9: Hoare triple {1467#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume true; {1467#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,150 INFO L273 TraceCheckUtils]: 10: Hoare triple {1467#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1467#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,151 INFO L273 TraceCheckUtils]: 11: Hoare triple {1467#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1477#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,152 INFO L273 TraceCheckUtils]: 12: Hoare triple {1477#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} assume true; {1477#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,152 INFO L273 TraceCheckUtils]: 13: Hoare triple {1477#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1477#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,153 INFO L273 TraceCheckUtils]: 14: Hoare triple {1477#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1487#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,154 INFO L273 TraceCheckUtils]: 15: Hoare triple {1487#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} assume true; {1487#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,155 INFO L273 TraceCheckUtils]: 16: Hoare triple {1487#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1487#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,156 INFO L273 TraceCheckUtils]: 17: Hoare triple {1487#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1497#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,157 INFO L273 TraceCheckUtils]: 18: Hoare triple {1497#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} assume true; {1497#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:54,157 INFO L273 TraceCheckUtils]: 19: Hoare triple {1497#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} assume !~bvslt32(~i~1, 40bv32); {1438#false} is VALID [2018-11-14 16:01:54,158 INFO L256 TraceCheckUtils]: 20: Hoare triple {1438#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {1438#false} is VALID [2018-11-14 16:01:54,158 INFO L273 TraceCheckUtils]: 21: Hoare triple {1438#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; {1438#false} is VALID [2018-11-14 16:01:54,158 INFO L273 TraceCheckUtils]: 22: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,159 INFO L273 TraceCheckUtils]: 23: Hoare triple {1438#false} assume !!~bvslt32(~i~0, 40bv32);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; {1438#false} is VALID [2018-11-14 16:01:54,159 INFO L273 TraceCheckUtils]: 24: Hoare triple {1438#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1438#false} is VALID [2018-11-14 16:01:54,160 INFO L273 TraceCheckUtils]: 25: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,160 INFO L273 TraceCheckUtils]: 26: Hoare triple {1438#false} assume !~bvslt32(~i~0, 40bv32); {1438#false} is VALID [2018-11-14 16:01:54,161 INFO L273 TraceCheckUtils]: 27: Hoare triple {1438#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {1438#false} is VALID [2018-11-14 16:01:54,161 INFO L273 TraceCheckUtils]: 28: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,161 INFO L268 TraceCheckUtils]: 29: Hoare quadruple {1438#false} {1438#false} #73#return; {1438#false} is VALID [2018-11-14 16:01:54,161 INFO L273 TraceCheckUtils]: 30: Hoare triple {1438#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); {1438#false} is VALID [2018-11-14 16:01:54,162 INFO L256 TraceCheckUtils]: 31: Hoare triple {1438#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {1438#false} is VALID [2018-11-14 16:01:54,162 INFO L273 TraceCheckUtils]: 32: Hoare triple {1438#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; {1438#false} is VALID [2018-11-14 16:01:54,162 INFO L273 TraceCheckUtils]: 33: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,162 INFO L273 TraceCheckUtils]: 34: Hoare triple {1438#false} assume !!~bvslt32(~i~0, 40bv32);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; {1438#false} is VALID [2018-11-14 16:01:54,163 INFO L273 TraceCheckUtils]: 35: Hoare triple {1438#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1438#false} is VALID [2018-11-14 16:01:54,163 INFO L273 TraceCheckUtils]: 36: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,163 INFO L273 TraceCheckUtils]: 37: Hoare triple {1438#false} assume !~bvslt32(~i~0, 40bv32); {1438#false} is VALID [2018-11-14 16:01:54,164 INFO L273 TraceCheckUtils]: 38: Hoare triple {1438#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {1438#false} is VALID [2018-11-14 16:01:54,164 INFO L273 TraceCheckUtils]: 39: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,164 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {1438#false} {1438#false} #75#return; {1438#false} is VALID [2018-11-14 16:01:54,164 INFO L273 TraceCheckUtils]: 41: Hoare triple {1438#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; {1438#false} is VALID [2018-11-14 16:01:54,164 INFO L273 TraceCheckUtils]: 42: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,165 INFO L273 TraceCheckUtils]: 43: Hoare triple {1438#false} assume !~bvslt32(~i~2, 39bv32); {1438#false} is VALID [2018-11-14 16:01:54,165 INFO L273 TraceCheckUtils]: 44: Hoare triple {1438#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {1438#false} is VALID [2018-11-14 16:01:54,165 INFO L256 TraceCheckUtils]: 45: Hoare triple {1438#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {1438#false} is VALID [2018-11-14 16:01:54,165 INFO L273 TraceCheckUtils]: 46: Hoare triple {1438#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; {1438#false} is VALID [2018-11-14 16:01:54,165 INFO L273 TraceCheckUtils]: 47: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,166 INFO L273 TraceCheckUtils]: 48: Hoare triple {1438#false} assume !!~bvslt32(~i~0, 40bv32);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; {1438#false} is VALID [2018-11-14 16:01:54,166 INFO L273 TraceCheckUtils]: 49: Hoare triple {1438#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1438#false} is VALID [2018-11-14 16:01:54,166 INFO L273 TraceCheckUtils]: 50: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,166 INFO L273 TraceCheckUtils]: 51: Hoare triple {1438#false} assume !~bvslt32(~i~0, 40bv32); {1438#false} is VALID [2018-11-14 16:01:54,166 INFO L273 TraceCheckUtils]: 52: Hoare triple {1438#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {1438#false} is VALID [2018-11-14 16:01:54,167 INFO L273 TraceCheckUtils]: 53: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,167 INFO L268 TraceCheckUtils]: 54: Hoare quadruple {1438#false} {1438#false} #77#return; {1438#false} is VALID [2018-11-14 16:01:54,167 INFO L273 TraceCheckUtils]: 55: Hoare triple {1438#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {1438#false} is VALID [2018-11-14 16:01:54,167 INFO L273 TraceCheckUtils]: 56: Hoare triple {1438#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {1438#false} is VALID [2018-11-14 16:01:54,168 INFO L273 TraceCheckUtils]: 57: Hoare triple {1438#false} assume !false; {1438#false} is VALID [2018-11-14 16:01:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-14 16:01:54,173 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 16:01:54,539 INFO L273 TraceCheckUtils]: 57: Hoare triple {1438#false} assume !false; {1438#false} is VALID [2018-11-14 16:01:54,539 INFO L273 TraceCheckUtils]: 56: Hoare triple {1438#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {1438#false} is VALID [2018-11-14 16:01:54,540 INFO L273 TraceCheckUtils]: 55: Hoare triple {1438#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {1438#false} is VALID [2018-11-14 16:01:54,540 INFO L268 TraceCheckUtils]: 54: Hoare quadruple {1437#true} {1438#false} #77#return; {1438#false} is VALID [2018-11-14 16:01:54,541 INFO L273 TraceCheckUtils]: 53: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,541 INFO L273 TraceCheckUtils]: 52: Hoare triple {1437#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {1437#true} is VALID [2018-11-14 16:01:54,541 INFO L273 TraceCheckUtils]: 51: Hoare triple {1437#true} assume !~bvslt32(~i~0, 40bv32); {1437#true} is VALID [2018-11-14 16:01:54,542 INFO L273 TraceCheckUtils]: 50: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,542 INFO L273 TraceCheckUtils]: 49: Hoare triple {1437#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1437#true} is VALID [2018-11-14 16:01:54,542 INFO L273 TraceCheckUtils]: 48: Hoare triple {1437#true} assume !!~bvslt32(~i~0, 40bv32);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; {1437#true} is VALID [2018-11-14 16:01:54,542 INFO L273 TraceCheckUtils]: 47: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,542 INFO L273 TraceCheckUtils]: 46: Hoare triple {1437#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; {1437#true} is VALID [2018-11-14 16:01:54,543 INFO L256 TraceCheckUtils]: 45: Hoare triple {1438#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {1437#true} is VALID [2018-11-14 16:01:54,543 INFO L273 TraceCheckUtils]: 44: Hoare triple {1438#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {1438#false} is VALID [2018-11-14 16:01:54,543 INFO L273 TraceCheckUtils]: 43: Hoare triple {1438#false} assume !~bvslt32(~i~2, 39bv32); {1438#false} is VALID [2018-11-14 16:01:54,544 INFO L273 TraceCheckUtils]: 42: Hoare triple {1438#false} assume true; {1438#false} is VALID [2018-11-14 16:01:54,544 INFO L273 TraceCheckUtils]: 41: Hoare triple {1438#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; {1438#false} is VALID [2018-11-14 16:01:54,544 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {1437#true} {1438#false} #75#return; {1438#false} is VALID [2018-11-14 16:01:54,544 INFO L273 TraceCheckUtils]: 39: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,545 INFO L273 TraceCheckUtils]: 38: Hoare triple {1437#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {1437#true} is VALID [2018-11-14 16:01:54,545 INFO L273 TraceCheckUtils]: 37: Hoare triple {1437#true} assume !~bvslt32(~i~0, 40bv32); {1437#true} is VALID [2018-11-14 16:01:54,545 INFO L273 TraceCheckUtils]: 36: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,545 INFO L273 TraceCheckUtils]: 35: Hoare triple {1437#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1437#true} is VALID [2018-11-14 16:01:54,546 INFO L273 TraceCheckUtils]: 34: Hoare triple {1437#true} assume !!~bvslt32(~i~0, 40bv32);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; {1437#true} is VALID [2018-11-14 16:01:54,546 INFO L273 TraceCheckUtils]: 33: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,546 INFO L273 TraceCheckUtils]: 32: Hoare triple {1437#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; {1437#true} is VALID [2018-11-14 16:01:54,546 INFO L256 TraceCheckUtils]: 31: Hoare triple {1438#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {1437#true} is VALID [2018-11-14 16:01:54,547 INFO L273 TraceCheckUtils]: 30: Hoare triple {1438#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); {1438#false} is VALID [2018-11-14 16:01:54,547 INFO L268 TraceCheckUtils]: 29: Hoare quadruple {1437#true} {1438#false} #73#return; {1438#false} is VALID [2018-11-14 16:01:54,547 INFO L273 TraceCheckUtils]: 28: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,548 INFO L273 TraceCheckUtils]: 27: Hoare triple {1437#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {1437#true} is VALID [2018-11-14 16:01:54,548 INFO L273 TraceCheckUtils]: 26: Hoare triple {1437#true} assume !~bvslt32(~i~0, 40bv32); {1437#true} is VALID [2018-11-14 16:01:54,548 INFO L273 TraceCheckUtils]: 25: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,548 INFO L273 TraceCheckUtils]: 24: Hoare triple {1437#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1437#true} is VALID [2018-11-14 16:01:54,549 INFO L273 TraceCheckUtils]: 23: Hoare triple {1437#true} assume !!~bvslt32(~i~0, 40bv32);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; {1437#true} is VALID [2018-11-14 16:01:54,549 INFO L273 TraceCheckUtils]: 22: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,549 INFO L273 TraceCheckUtils]: 21: Hoare triple {1437#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; {1437#true} is VALID [2018-11-14 16:01:54,549 INFO L256 TraceCheckUtils]: 20: Hoare triple {1438#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {1437#true} is VALID [2018-11-14 16:01:54,569 INFO L273 TraceCheckUtils]: 19: Hoare triple {1732#(bvslt main_~i~1 (_ bv40 32))} assume !~bvslt32(~i~1, 40bv32); {1438#false} is VALID [2018-11-14 16:01:54,582 INFO L273 TraceCheckUtils]: 18: Hoare triple {1732#(bvslt main_~i~1 (_ bv40 32))} assume true; {1732#(bvslt main_~i~1 (_ bv40 32))} is VALID [2018-11-14 16:01:54,588 INFO L273 TraceCheckUtils]: 17: Hoare triple {1739#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1732#(bvslt main_~i~1 (_ bv40 32))} is VALID [2018-11-14 16:01:54,589 INFO L273 TraceCheckUtils]: 16: Hoare triple {1739#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1739#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,589 INFO L273 TraceCheckUtils]: 15: Hoare triple {1739#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} assume true; {1739#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,592 INFO L273 TraceCheckUtils]: 14: Hoare triple {1749#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1739#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,593 INFO L273 TraceCheckUtils]: 13: Hoare triple {1749#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1749#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,593 INFO L273 TraceCheckUtils]: 12: Hoare triple {1749#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} assume true; {1749#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,599 INFO L273 TraceCheckUtils]: 11: Hoare triple {1759#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1749#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,601 INFO L273 TraceCheckUtils]: 10: Hoare triple {1759#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1759#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,601 INFO L273 TraceCheckUtils]: 9: Hoare triple {1759#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} assume true; {1759#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,608 INFO L273 TraceCheckUtils]: 8: Hoare triple {1769#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1759#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,609 INFO L273 TraceCheckUtils]: 7: Hoare triple {1769#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {1769#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,609 INFO L273 TraceCheckUtils]: 6: Hoare triple {1769#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} assume true; {1769#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,610 INFO L273 TraceCheckUtils]: 5: Hoare triple {1437#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {1769#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:54,610 INFO L256 TraceCheckUtils]: 4: Hoare triple {1437#true} call #t~ret12 := main(); {1437#true} is VALID [2018-11-14 16:01:54,611 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1437#true} {1437#true} #69#return; {1437#true} is VALID [2018-11-14 16:01:54,611 INFO L273 TraceCheckUtils]: 2: Hoare triple {1437#true} assume true; {1437#true} is VALID [2018-11-14 16:01:54,611 INFO L273 TraceCheckUtils]: 1: Hoare triple {1437#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {1437#true} is VALID [2018-11-14 16:01:54,612 INFO L256 TraceCheckUtils]: 0: Hoare triple {1437#true} call ULTIMATE.init(); {1437#true} is VALID [2018-11-14 16:01:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-14 16:01:54,621 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 16:01:54,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-14 16:01:54,622 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2018-11-14 16:01:54,624 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:01:54,625 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-14 16:01:54,941 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:01:54,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-14 16:01:54,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-14 16:01:54,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-11-14 16:01:54,942 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 12 states. [2018-11-14 16:01:56,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:56,581 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2018-11-14 16:01:56,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-14 16:01:56,581 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2018-11-14 16:01:56,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:01:56,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-14 16:01:56,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 91 transitions. [2018-11-14 16:01:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-14 16:01:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 91 transitions. [2018-11-14 16:01:56,588 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 91 transitions. [2018-11-14 16:01:56,952 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:01:56,954 INFO L225 Difference]: With dead ends: 82 [2018-11-14 16:01:56,954 INFO L226 Difference]: Without dead ends: 60 [2018-11-14 16:01:56,955 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2018-11-14 16:01:56,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-14 16:01:57,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-11-14 16:01:57,016 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:01:57,016 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand 60 states. [2018-11-14 16:01:57,016 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2018-11-14 16:01:57,016 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2018-11-14 16:01:57,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:57,019 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-11-14 16:01:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-11-14 16:01:57,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:01:57,020 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:01:57,020 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 60 states. [2018-11-14 16:01:57,020 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 60 states. [2018-11-14 16:01:57,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:01:57,023 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-11-14 16:01:57,023 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-11-14 16:01:57,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:01:57,024 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:01:57,024 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:01:57,024 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:01:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-14 16:01:57,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-11-14 16:01:57,030 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 58 [2018-11-14 16:01:57,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:01:57,030 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-11-14 16:01:57,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-14 16:01:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-11-14 16:01:57,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-14 16:01:57,035 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:01:57,035 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 6, 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] [2018-11-14 16:01:57,035 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:01:57,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:01:57,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1415102757, now seen corresponding path program 2 times [2018-11-14 16:01:57,036 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:01:57,036 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 [2018-11-14 16:01:57,066 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-14 16:01:58,305 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-14 16:01:58,305 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 16:01:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:01:58,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:01:58,781 INFO L256 TraceCheckUtils]: 0: Hoare triple {2117#true} call ULTIMATE.init(); {2117#true} is VALID [2018-11-14 16:01:58,782 INFO L273 TraceCheckUtils]: 1: Hoare triple {2117#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {2117#true} is VALID [2018-11-14 16:01:58,782 INFO L273 TraceCheckUtils]: 2: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:58,782 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2117#true} {2117#true} #69#return; {2117#true} is VALID [2018-11-14 16:01:58,782 INFO L256 TraceCheckUtils]: 4: Hoare triple {2117#true} call #t~ret12 := main(); {2117#true} is VALID [2018-11-14 16:01:58,783 INFO L273 TraceCheckUtils]: 5: Hoare triple {2117#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {2137#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:58,783 INFO L273 TraceCheckUtils]: 6: Hoare triple {2137#(= main_~i~1 (_ bv0 32))} assume true; {2137#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:58,784 INFO L273 TraceCheckUtils]: 7: Hoare triple {2137#(= main_~i~1 (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2137#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:01:58,786 INFO L273 TraceCheckUtils]: 8: Hoare triple {2137#(= main_~i~1 (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2147#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,786 INFO L273 TraceCheckUtils]: 9: Hoare triple {2147#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume true; {2147#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,787 INFO L273 TraceCheckUtils]: 10: Hoare triple {2147#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2147#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,787 INFO L273 TraceCheckUtils]: 11: Hoare triple {2147#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2157#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,788 INFO L273 TraceCheckUtils]: 12: Hoare triple {2157#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} assume true; {2157#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,788 INFO L273 TraceCheckUtils]: 13: Hoare triple {2157#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2157#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,789 INFO L273 TraceCheckUtils]: 14: Hoare triple {2157#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2167#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,790 INFO L273 TraceCheckUtils]: 15: Hoare triple {2167#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} assume true; {2167#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,791 INFO L273 TraceCheckUtils]: 16: Hoare triple {2167#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2167#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,792 INFO L273 TraceCheckUtils]: 17: Hoare triple {2167#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2177#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,792 INFO L273 TraceCheckUtils]: 18: Hoare triple {2177#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} assume true; {2177#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,793 INFO L273 TraceCheckUtils]: 19: Hoare triple {2177#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2177#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,794 INFO L273 TraceCheckUtils]: 20: Hoare triple {2177#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2187#(= (_ bv5 32) main_~i~1)} is VALID [2018-11-14 16:01:58,795 INFO L273 TraceCheckUtils]: 21: Hoare triple {2187#(= (_ bv5 32) main_~i~1)} assume true; {2187#(= (_ bv5 32) main_~i~1)} is VALID [2018-11-14 16:01:58,796 INFO L273 TraceCheckUtils]: 22: Hoare triple {2187#(= (_ bv5 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2187#(= (_ bv5 32) main_~i~1)} is VALID [2018-11-14 16:01:58,797 INFO L273 TraceCheckUtils]: 23: Hoare triple {2187#(= (_ bv5 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2197#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,797 INFO L273 TraceCheckUtils]: 24: Hoare triple {2197#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} assume true; {2197#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,798 INFO L273 TraceCheckUtils]: 25: Hoare triple {2197#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2197#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,799 INFO L273 TraceCheckUtils]: 26: Hoare triple {2197#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2207#(= (_ bv7 32) main_~i~1)} is VALID [2018-11-14 16:01:58,800 INFO L273 TraceCheckUtils]: 27: Hoare triple {2207#(= (_ bv7 32) main_~i~1)} assume true; {2207#(= (_ bv7 32) main_~i~1)} is VALID [2018-11-14 16:01:58,801 INFO L273 TraceCheckUtils]: 28: Hoare triple {2207#(= (_ bv7 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2207#(= (_ bv7 32) main_~i~1)} is VALID [2018-11-14 16:01:58,802 INFO L273 TraceCheckUtils]: 29: Hoare triple {2207#(= (_ bv7 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2217#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,802 INFO L273 TraceCheckUtils]: 30: Hoare triple {2217#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} assume true; {2217#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,803 INFO L273 TraceCheckUtils]: 31: Hoare triple {2217#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2217#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,804 INFO L273 TraceCheckUtils]: 32: Hoare triple {2217#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2227#(= (_ bv9 32) main_~i~1)} is VALID [2018-11-14 16:01:58,805 INFO L273 TraceCheckUtils]: 33: Hoare triple {2227#(= (_ bv9 32) main_~i~1)} assume true; {2227#(= (_ bv9 32) main_~i~1)} is VALID [2018-11-14 16:01:58,806 INFO L273 TraceCheckUtils]: 34: Hoare triple {2227#(= (_ bv9 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2227#(= (_ bv9 32) main_~i~1)} is VALID [2018-11-14 16:01:58,807 INFO L273 TraceCheckUtils]: 35: Hoare triple {2227#(= (_ bv9 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2237#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,807 INFO L273 TraceCheckUtils]: 36: Hoare triple {2237#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} assume true; {2237#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} is VALID [2018-11-14 16:01:58,808 INFO L273 TraceCheckUtils]: 37: Hoare triple {2237#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} assume !~bvslt32(~i~1, 40bv32); {2118#false} is VALID [2018-11-14 16:01:58,809 INFO L256 TraceCheckUtils]: 38: Hoare triple {2118#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {2118#false} is VALID [2018-11-14 16:01:58,809 INFO L273 TraceCheckUtils]: 39: Hoare triple {2118#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; {2118#false} is VALID [2018-11-14 16:01:58,809 INFO L273 TraceCheckUtils]: 40: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:58,810 INFO L273 TraceCheckUtils]: 41: Hoare triple {2118#false} assume !!~bvslt32(~i~0, 40bv32);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; {2118#false} is VALID [2018-11-14 16:01:58,810 INFO L273 TraceCheckUtils]: 42: Hoare triple {2118#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2118#false} is VALID [2018-11-14 16:01:58,811 INFO L273 TraceCheckUtils]: 43: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:58,811 INFO L273 TraceCheckUtils]: 44: Hoare triple {2118#false} assume !~bvslt32(~i~0, 40bv32); {2118#false} is VALID [2018-11-14 16:01:58,812 INFO L273 TraceCheckUtils]: 45: Hoare triple {2118#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {2118#false} is VALID [2018-11-14 16:01:58,812 INFO L273 TraceCheckUtils]: 46: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:58,812 INFO L268 TraceCheckUtils]: 47: Hoare quadruple {2118#false} {2118#false} #73#return; {2118#false} is VALID [2018-11-14 16:01:58,813 INFO L273 TraceCheckUtils]: 48: Hoare triple {2118#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); {2118#false} is VALID [2018-11-14 16:01:58,813 INFO L256 TraceCheckUtils]: 49: Hoare triple {2118#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {2118#false} is VALID [2018-11-14 16:01:58,813 INFO L273 TraceCheckUtils]: 50: Hoare triple {2118#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; {2118#false} is VALID [2018-11-14 16:01:58,814 INFO L273 TraceCheckUtils]: 51: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:58,814 INFO L273 TraceCheckUtils]: 52: Hoare triple {2118#false} assume !!~bvslt32(~i~0, 40bv32);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; {2118#false} is VALID [2018-11-14 16:01:58,814 INFO L273 TraceCheckUtils]: 53: Hoare triple {2118#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2118#false} is VALID [2018-11-14 16:01:58,814 INFO L273 TraceCheckUtils]: 54: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:58,815 INFO L273 TraceCheckUtils]: 55: Hoare triple {2118#false} assume !~bvslt32(~i~0, 40bv32); {2118#false} is VALID [2018-11-14 16:01:58,815 INFO L273 TraceCheckUtils]: 56: Hoare triple {2118#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {2118#false} is VALID [2018-11-14 16:01:58,815 INFO L273 TraceCheckUtils]: 57: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:58,815 INFO L268 TraceCheckUtils]: 58: Hoare quadruple {2118#false} {2118#false} #75#return; {2118#false} is VALID [2018-11-14 16:01:58,816 INFO L273 TraceCheckUtils]: 59: Hoare triple {2118#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; {2118#false} is VALID [2018-11-14 16:01:58,816 INFO L273 TraceCheckUtils]: 60: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:58,816 INFO L273 TraceCheckUtils]: 61: Hoare triple {2118#false} assume !~bvslt32(~i~2, 39bv32); {2118#false} is VALID [2018-11-14 16:01:58,816 INFO L273 TraceCheckUtils]: 62: Hoare triple {2118#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {2118#false} is VALID [2018-11-14 16:01:58,817 INFO L256 TraceCheckUtils]: 63: Hoare triple {2118#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {2118#false} is VALID [2018-11-14 16:01:58,817 INFO L273 TraceCheckUtils]: 64: Hoare triple {2118#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; {2118#false} is VALID [2018-11-14 16:01:58,817 INFO L273 TraceCheckUtils]: 65: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:58,817 INFO L273 TraceCheckUtils]: 66: Hoare triple {2118#false} assume !!~bvslt32(~i~0, 40bv32);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; {2118#false} is VALID [2018-11-14 16:01:58,818 INFO L273 TraceCheckUtils]: 67: Hoare triple {2118#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2118#false} is VALID [2018-11-14 16:01:58,818 INFO L273 TraceCheckUtils]: 68: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:58,818 INFO L273 TraceCheckUtils]: 69: Hoare triple {2118#false} assume !~bvslt32(~i~0, 40bv32); {2118#false} is VALID [2018-11-14 16:01:58,818 INFO L273 TraceCheckUtils]: 70: Hoare triple {2118#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {2118#false} is VALID [2018-11-14 16:01:58,819 INFO L273 TraceCheckUtils]: 71: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:58,819 INFO L268 TraceCheckUtils]: 72: Hoare quadruple {2118#false} {2118#false} #77#return; {2118#false} is VALID [2018-11-14 16:01:58,819 INFO L273 TraceCheckUtils]: 73: Hoare triple {2118#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {2118#false} is VALID [2018-11-14 16:01:58,819 INFO L273 TraceCheckUtils]: 74: Hoare triple {2118#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {2118#false} is VALID [2018-11-14 16:01:58,820 INFO L273 TraceCheckUtils]: 75: Hoare triple {2118#false} assume !false; {2118#false} is VALID [2018-11-14 16:01:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-14 16:01:58,829 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 16:01:59,638 INFO L273 TraceCheckUtils]: 75: Hoare triple {2118#false} assume !false; {2118#false} is VALID [2018-11-14 16:01:59,638 INFO L273 TraceCheckUtils]: 74: Hoare triple {2118#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {2118#false} is VALID [2018-11-14 16:01:59,639 INFO L273 TraceCheckUtils]: 73: Hoare triple {2118#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {2118#false} is VALID [2018-11-14 16:01:59,639 INFO L268 TraceCheckUtils]: 72: Hoare quadruple {2117#true} {2118#false} #77#return; {2118#false} is VALID [2018-11-14 16:01:59,639 INFO L273 TraceCheckUtils]: 71: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:59,639 INFO L273 TraceCheckUtils]: 70: Hoare triple {2117#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {2117#true} is VALID [2018-11-14 16:01:59,639 INFO L273 TraceCheckUtils]: 69: Hoare triple {2117#true} assume !~bvslt32(~i~0, 40bv32); {2117#true} is VALID [2018-11-14 16:01:59,639 INFO L273 TraceCheckUtils]: 68: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:59,640 INFO L273 TraceCheckUtils]: 67: Hoare triple {2117#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2117#true} is VALID [2018-11-14 16:01:59,640 INFO L273 TraceCheckUtils]: 66: Hoare triple {2117#true} assume !!~bvslt32(~i~0, 40bv32);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; {2117#true} is VALID [2018-11-14 16:01:59,640 INFO L273 TraceCheckUtils]: 65: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:59,640 INFO L273 TraceCheckUtils]: 64: Hoare triple {2117#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; {2117#true} is VALID [2018-11-14 16:01:59,640 INFO L256 TraceCheckUtils]: 63: Hoare triple {2118#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {2117#true} is VALID [2018-11-14 16:01:59,641 INFO L273 TraceCheckUtils]: 62: Hoare triple {2118#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {2118#false} is VALID [2018-11-14 16:01:59,641 INFO L273 TraceCheckUtils]: 61: Hoare triple {2118#false} assume !~bvslt32(~i~2, 39bv32); {2118#false} is VALID [2018-11-14 16:01:59,641 INFO L273 TraceCheckUtils]: 60: Hoare triple {2118#false} assume true; {2118#false} is VALID [2018-11-14 16:01:59,641 INFO L273 TraceCheckUtils]: 59: Hoare triple {2118#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; {2118#false} is VALID [2018-11-14 16:01:59,641 INFO L268 TraceCheckUtils]: 58: Hoare quadruple {2117#true} {2118#false} #75#return; {2118#false} is VALID [2018-11-14 16:01:59,641 INFO L273 TraceCheckUtils]: 57: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:59,642 INFO L273 TraceCheckUtils]: 56: Hoare triple {2117#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {2117#true} is VALID [2018-11-14 16:01:59,642 INFO L273 TraceCheckUtils]: 55: Hoare triple {2117#true} assume !~bvslt32(~i~0, 40bv32); {2117#true} is VALID [2018-11-14 16:01:59,642 INFO L273 TraceCheckUtils]: 54: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:59,642 INFO L273 TraceCheckUtils]: 53: Hoare triple {2117#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2117#true} is VALID [2018-11-14 16:01:59,643 INFO L273 TraceCheckUtils]: 52: Hoare triple {2117#true} assume !!~bvslt32(~i~0, 40bv32);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; {2117#true} is VALID [2018-11-14 16:01:59,643 INFO L273 TraceCheckUtils]: 51: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:59,643 INFO L273 TraceCheckUtils]: 50: Hoare triple {2117#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; {2117#true} is VALID [2018-11-14 16:01:59,643 INFO L256 TraceCheckUtils]: 49: Hoare triple {2118#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {2117#true} is VALID [2018-11-14 16:01:59,644 INFO L273 TraceCheckUtils]: 48: Hoare triple {2118#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); {2118#false} is VALID [2018-11-14 16:01:59,644 INFO L268 TraceCheckUtils]: 47: Hoare quadruple {2117#true} {2118#false} #73#return; {2118#false} is VALID [2018-11-14 16:01:59,644 INFO L273 TraceCheckUtils]: 46: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:59,644 INFO L273 TraceCheckUtils]: 45: Hoare triple {2117#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {2117#true} is VALID [2018-11-14 16:01:59,644 INFO L273 TraceCheckUtils]: 44: Hoare triple {2117#true} assume !~bvslt32(~i~0, 40bv32); {2117#true} is VALID [2018-11-14 16:01:59,645 INFO L273 TraceCheckUtils]: 43: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:59,645 INFO L273 TraceCheckUtils]: 42: Hoare triple {2117#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2117#true} is VALID [2018-11-14 16:01:59,645 INFO L273 TraceCheckUtils]: 41: Hoare triple {2117#true} assume !!~bvslt32(~i~0, 40bv32);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; {2117#true} is VALID [2018-11-14 16:01:59,645 INFO L273 TraceCheckUtils]: 40: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:59,646 INFO L273 TraceCheckUtils]: 39: Hoare triple {2117#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; {2117#true} is VALID [2018-11-14 16:01:59,646 INFO L256 TraceCheckUtils]: 38: Hoare triple {2118#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {2117#true} is VALID [2018-11-14 16:01:59,649 INFO L273 TraceCheckUtils]: 37: Hoare triple {2472#(bvslt main_~i~1 (_ bv40 32))} assume !~bvslt32(~i~1, 40bv32); {2118#false} is VALID [2018-11-14 16:01:59,650 INFO L273 TraceCheckUtils]: 36: Hoare triple {2472#(bvslt main_~i~1 (_ bv40 32))} assume true; {2472#(bvslt main_~i~1 (_ bv40 32))} is VALID [2018-11-14 16:01:59,650 INFO L273 TraceCheckUtils]: 35: Hoare triple {2479#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2472#(bvslt main_~i~1 (_ bv40 32))} is VALID [2018-11-14 16:01:59,651 INFO L273 TraceCheckUtils]: 34: Hoare triple {2479#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2479#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,651 INFO L273 TraceCheckUtils]: 33: Hoare triple {2479#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} assume true; {2479#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,654 INFO L273 TraceCheckUtils]: 32: Hoare triple {2489#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2479#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,655 INFO L273 TraceCheckUtils]: 31: Hoare triple {2489#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2489#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,655 INFO L273 TraceCheckUtils]: 30: Hoare triple {2489#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} assume true; {2489#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,660 INFO L273 TraceCheckUtils]: 29: Hoare triple {2499#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2489#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,661 INFO L273 TraceCheckUtils]: 28: Hoare triple {2499#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2499#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,661 INFO L273 TraceCheckUtils]: 27: Hoare triple {2499#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} assume true; {2499#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,666 INFO L273 TraceCheckUtils]: 26: Hoare triple {2509#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2499#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,667 INFO L273 TraceCheckUtils]: 25: Hoare triple {2509#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2509#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,667 INFO L273 TraceCheckUtils]: 24: Hoare triple {2509#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} assume true; {2509#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,671 INFO L273 TraceCheckUtils]: 23: Hoare triple {2519#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2509#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,672 INFO L273 TraceCheckUtils]: 22: Hoare triple {2519#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2519#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,672 INFO L273 TraceCheckUtils]: 21: Hoare triple {2519#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} assume true; {2519#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,676 INFO L273 TraceCheckUtils]: 20: Hoare triple {2529#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2519#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,677 INFO L273 TraceCheckUtils]: 19: Hoare triple {2529#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2529#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,677 INFO L273 TraceCheckUtils]: 18: Hoare triple {2529#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} assume true; {2529#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,680 INFO L273 TraceCheckUtils]: 17: Hoare triple {2539#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2529#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,695 INFO L273 TraceCheckUtils]: 16: Hoare triple {2539#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2539#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,696 INFO L273 TraceCheckUtils]: 15: Hoare triple {2539#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} assume true; {2539#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,699 INFO L273 TraceCheckUtils]: 14: Hoare triple {2549#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2539#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,700 INFO L273 TraceCheckUtils]: 13: Hoare triple {2549#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2549#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,700 INFO L273 TraceCheckUtils]: 12: Hoare triple {2549#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} assume true; {2549#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,705 INFO L273 TraceCheckUtils]: 11: Hoare triple {2559#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2549#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,713 INFO L273 TraceCheckUtils]: 10: Hoare triple {2559#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2559#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,714 INFO L273 TraceCheckUtils]: 9: Hoare triple {2559#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} assume true; {2559#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,719 INFO L273 TraceCheckUtils]: 8: Hoare triple {2569#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2559#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,719 INFO L273 TraceCheckUtils]: 7: Hoare triple {2569#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {2569#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,720 INFO L273 TraceCheckUtils]: 6: Hoare triple {2569#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} assume true; {2569#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,720 INFO L273 TraceCheckUtils]: 5: Hoare triple {2117#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {2569#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} is VALID [2018-11-14 16:01:59,721 INFO L256 TraceCheckUtils]: 4: Hoare triple {2117#true} call #t~ret12 := main(); {2117#true} is VALID [2018-11-14 16:01:59,721 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2117#true} {2117#true} #69#return; {2117#true} is VALID [2018-11-14 16:01:59,721 INFO L273 TraceCheckUtils]: 2: Hoare triple {2117#true} assume true; {2117#true} is VALID [2018-11-14 16:01:59,721 INFO L273 TraceCheckUtils]: 1: Hoare triple {2117#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {2117#true} is VALID [2018-11-14 16:01:59,721 INFO L256 TraceCheckUtils]: 0: Hoare triple {2117#true} call ULTIMATE.init(); {2117#true} is VALID [2018-11-14 16:01:59,726 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-14 16:01:59,731 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 16:01:59,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2018-11-14 16:01:59,731 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 76 [2018-11-14 16:01:59,732 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:01:59,732 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states. [2018-11-14 16:02:00,091 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:02:00,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-14 16:02:00,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-14 16:02:00,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2018-11-14 16:02:00,092 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 24 states. [2018-11-14 16:02:05,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:02:05,245 INFO L93 Difference]: Finished difference Result 118 states and 137 transitions. [2018-11-14 16:02:05,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-14 16:02:05,245 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 76 [2018-11-14 16:02:05,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:02:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-14 16:02:05,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 133 transitions. [2018-11-14 16:02:05,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-14 16:02:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 133 transitions. [2018-11-14 16:02:05,252 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 133 transitions. [2018-11-14 16:02:05,672 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:02:05,675 INFO L225 Difference]: With dead ends: 118 [2018-11-14 16:02:05,675 INFO L226 Difference]: Without dead ends: 96 [2018-11-14 16:02:05,676 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2018-11-14 16:02:05,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-14 16:02:05,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-14 16:02:05,716 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:02:05,716 INFO L82 GeneralOperation]: Start isEquivalent. First operand 96 states. Second operand 96 states. [2018-11-14 16:02:05,716 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 96 states. [2018-11-14 16:02:05,716 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 96 states. [2018-11-14 16:02:05,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:02:05,720 INFO L93 Difference]: Finished difference Result 96 states and 100 transitions. [2018-11-14 16:02:05,720 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 100 transitions. [2018-11-14 16:02:05,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:02:05,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:02:05,721 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 96 states. [2018-11-14 16:02:05,721 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 96 states. [2018-11-14 16:02:05,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:02:05,725 INFO L93 Difference]: Finished difference Result 96 states and 100 transitions. [2018-11-14 16:02:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 100 transitions. [2018-11-14 16:02:05,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:02:05,726 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:02:05,726 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:02:05,726 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:02:05,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-14 16:02:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 100 transitions. [2018-11-14 16:02:05,730 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 100 transitions. Word has length 76 [2018-11-14 16:02:05,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:02:05,730 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 100 transitions. [2018-11-14 16:02:05,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-14 16:02:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 100 transitions. [2018-11-14 16:02:05,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-14 16:02:05,732 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:02:05,732 INFO L375 BasicCegarLoop]: trace histogram [23, 22, 22, 6, 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] [2018-11-14 16:02:05,733 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:02:05,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:02:05,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1699540059, now seen corresponding path program 3 times [2018-11-14 16:02:05,734 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:02:05,734 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 [2018-11-14 16:02:05,758 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-14 16:02:06,726 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-14 16:02:06,726 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 16:02:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:02:06,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:02:06,986 INFO L256 TraceCheckUtils]: 0: Hoare triple {3097#true} call ULTIMATE.init(); {3097#true} is VALID [2018-11-14 16:02:06,987 INFO L273 TraceCheckUtils]: 1: Hoare triple {3097#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {3097#true} is VALID [2018-11-14 16:02:06,987 INFO L273 TraceCheckUtils]: 2: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,987 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3097#true} {3097#true} #69#return; {3097#true} is VALID [2018-11-14 16:02:06,988 INFO L256 TraceCheckUtils]: 4: Hoare triple {3097#true} call #t~ret12 := main(); {3097#true} is VALID [2018-11-14 16:02:06,988 INFO L273 TraceCheckUtils]: 5: Hoare triple {3097#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {3097#true} is VALID [2018-11-14 16:02:06,988 INFO L273 TraceCheckUtils]: 6: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,988 INFO L273 TraceCheckUtils]: 7: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,989 INFO L273 TraceCheckUtils]: 8: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,989 INFO L273 TraceCheckUtils]: 9: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,989 INFO L273 TraceCheckUtils]: 10: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,989 INFO L273 TraceCheckUtils]: 11: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,989 INFO L273 TraceCheckUtils]: 12: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,989 INFO L273 TraceCheckUtils]: 13: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,989 INFO L273 TraceCheckUtils]: 14: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,990 INFO L273 TraceCheckUtils]: 15: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,990 INFO L273 TraceCheckUtils]: 16: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,990 INFO L273 TraceCheckUtils]: 17: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,990 INFO L273 TraceCheckUtils]: 18: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,990 INFO L273 TraceCheckUtils]: 19: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,991 INFO L273 TraceCheckUtils]: 20: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,991 INFO L273 TraceCheckUtils]: 21: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,991 INFO L273 TraceCheckUtils]: 22: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,991 INFO L273 TraceCheckUtils]: 23: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,991 INFO L273 TraceCheckUtils]: 24: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,992 INFO L273 TraceCheckUtils]: 25: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,992 INFO L273 TraceCheckUtils]: 26: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,992 INFO L273 TraceCheckUtils]: 27: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,992 INFO L273 TraceCheckUtils]: 28: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,992 INFO L273 TraceCheckUtils]: 29: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,992 INFO L273 TraceCheckUtils]: 30: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,993 INFO L273 TraceCheckUtils]: 31: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,993 INFO L273 TraceCheckUtils]: 32: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,993 INFO L273 TraceCheckUtils]: 33: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,993 INFO L273 TraceCheckUtils]: 34: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,993 INFO L273 TraceCheckUtils]: 35: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,994 INFO L273 TraceCheckUtils]: 36: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,994 INFO L273 TraceCheckUtils]: 37: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,994 INFO L273 TraceCheckUtils]: 38: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,994 INFO L273 TraceCheckUtils]: 39: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,994 INFO L273 TraceCheckUtils]: 40: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,995 INFO L273 TraceCheckUtils]: 41: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,995 INFO L273 TraceCheckUtils]: 42: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,995 INFO L273 TraceCheckUtils]: 43: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,995 INFO L273 TraceCheckUtils]: 44: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,995 INFO L273 TraceCheckUtils]: 45: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,996 INFO L273 TraceCheckUtils]: 46: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,996 INFO L273 TraceCheckUtils]: 47: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,996 INFO L273 TraceCheckUtils]: 48: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,996 INFO L273 TraceCheckUtils]: 49: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,996 INFO L273 TraceCheckUtils]: 50: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,997 INFO L273 TraceCheckUtils]: 51: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,997 INFO L273 TraceCheckUtils]: 52: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,997 INFO L273 TraceCheckUtils]: 53: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,997 INFO L273 TraceCheckUtils]: 54: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,997 INFO L273 TraceCheckUtils]: 55: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,998 INFO L273 TraceCheckUtils]: 56: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,998 INFO L273 TraceCheckUtils]: 57: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,998 INFO L273 TraceCheckUtils]: 58: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,998 INFO L273 TraceCheckUtils]: 59: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,998 INFO L273 TraceCheckUtils]: 60: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,999 INFO L273 TraceCheckUtils]: 61: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,999 INFO L273 TraceCheckUtils]: 62: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:06,999 INFO L273 TraceCheckUtils]: 63: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:06,999 INFO L273 TraceCheckUtils]: 64: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:06,999 INFO L273 TraceCheckUtils]: 65: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,000 INFO L273 TraceCheckUtils]: 66: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,000 INFO L273 TraceCheckUtils]: 67: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,000 INFO L273 TraceCheckUtils]: 68: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,000 INFO L273 TraceCheckUtils]: 69: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,000 INFO L273 TraceCheckUtils]: 70: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,001 INFO L273 TraceCheckUtils]: 71: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,001 INFO L273 TraceCheckUtils]: 72: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,001 INFO L273 TraceCheckUtils]: 73: Hoare triple {3097#true} assume !~bvslt32(~i~1, 40bv32); {3097#true} is VALID [2018-11-14 16:02:07,001 INFO L256 TraceCheckUtils]: 74: Hoare triple {3097#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {3097#true} is VALID [2018-11-14 16:02:07,001 INFO L273 TraceCheckUtils]: 75: Hoare triple {3097#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; {3097#true} is VALID [2018-11-14 16:02:07,002 INFO L273 TraceCheckUtils]: 76: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,002 INFO L273 TraceCheckUtils]: 77: Hoare triple {3097#true} assume !!~bvslt32(~i~0, 40bv32);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; {3097#true} is VALID [2018-11-14 16:02:07,002 INFO L273 TraceCheckUtils]: 78: Hoare triple {3097#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3097#true} is VALID [2018-11-14 16:02:07,002 INFO L273 TraceCheckUtils]: 79: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,002 INFO L273 TraceCheckUtils]: 80: Hoare triple {3097#true} assume !~bvslt32(~i~0, 40bv32); {3097#true} is VALID [2018-11-14 16:02:07,003 INFO L273 TraceCheckUtils]: 81: Hoare triple {3097#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {3097#true} is VALID [2018-11-14 16:02:07,003 INFO L273 TraceCheckUtils]: 82: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,003 INFO L268 TraceCheckUtils]: 83: Hoare quadruple {3097#true} {3097#true} #73#return; {3097#true} is VALID [2018-11-14 16:02:07,003 INFO L273 TraceCheckUtils]: 84: Hoare triple {3097#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); {3097#true} is VALID [2018-11-14 16:02:07,003 INFO L256 TraceCheckUtils]: 85: Hoare triple {3097#true} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {3097#true} is VALID [2018-11-14 16:02:07,003 INFO L273 TraceCheckUtils]: 86: Hoare triple {3097#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; {3097#true} is VALID [2018-11-14 16:02:07,004 INFO L273 TraceCheckUtils]: 87: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,004 INFO L273 TraceCheckUtils]: 88: Hoare triple {3097#true} assume !!~bvslt32(~i~0, 40bv32);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; {3097#true} is VALID [2018-11-14 16:02:07,004 INFO L273 TraceCheckUtils]: 89: Hoare triple {3097#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3097#true} is VALID [2018-11-14 16:02:07,004 INFO L273 TraceCheckUtils]: 90: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,004 INFO L273 TraceCheckUtils]: 91: Hoare triple {3097#true} assume !~bvslt32(~i~0, 40bv32); {3097#true} is VALID [2018-11-14 16:02:07,005 INFO L273 TraceCheckUtils]: 92: Hoare triple {3097#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {3097#true} is VALID [2018-11-14 16:02:07,005 INFO L273 TraceCheckUtils]: 93: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,005 INFO L268 TraceCheckUtils]: 94: Hoare quadruple {3097#true} {3097#true} #75#return; {3097#true} is VALID [2018-11-14 16:02:07,005 INFO L273 TraceCheckUtils]: 95: Hoare triple {3097#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; {3097#true} is VALID [2018-11-14 16:02:07,005 INFO L273 TraceCheckUtils]: 96: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,006 INFO L273 TraceCheckUtils]: 97: Hoare triple {3097#true} assume !~bvslt32(~i~2, 39bv32); {3097#true} is VALID [2018-11-14 16:02:07,006 INFO L273 TraceCheckUtils]: 98: Hoare triple {3097#true} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {3097#true} is VALID [2018-11-14 16:02:07,006 INFO L256 TraceCheckUtils]: 99: Hoare triple {3097#true} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {3097#true} is VALID [2018-11-14 16:02:07,021 INFO L273 TraceCheckUtils]: 100: Hoare triple {3097#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; {3402#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-14 16:02:07,021 INFO L273 TraceCheckUtils]: 101: Hoare triple {3402#(= (_ bv0 32) avg_~i~0)} assume true; {3402#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-14 16:02:07,022 INFO L273 TraceCheckUtils]: 102: Hoare triple {3402#(= (_ bv0 32) avg_~i~0)} assume !!~bvslt32(~i~0, 40bv32);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; {3402#(= (_ bv0 32) avg_~i~0)} is VALID [2018-11-14 16:02:07,022 INFO L273 TraceCheckUtils]: 103: Hoare triple {3402#(= (_ bv0 32) avg_~i~0)} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3412#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:07,023 INFO L273 TraceCheckUtils]: 104: Hoare triple {3412#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} assume true; {3412#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:07,023 INFO L273 TraceCheckUtils]: 105: Hoare triple {3412#(= (bvadd avg_~i~0 (_ bv4294967295 32)) (_ bv0 32))} assume !~bvslt32(~i~0, 40bv32); {3098#false} is VALID [2018-11-14 16:02:07,023 INFO L273 TraceCheckUtils]: 106: Hoare triple {3098#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {3098#false} is VALID [2018-11-14 16:02:07,024 INFO L273 TraceCheckUtils]: 107: Hoare triple {3098#false} assume true; {3098#false} is VALID [2018-11-14 16:02:07,024 INFO L268 TraceCheckUtils]: 108: Hoare quadruple {3098#false} {3097#true} #77#return; {3098#false} is VALID [2018-11-14 16:02:07,024 INFO L273 TraceCheckUtils]: 109: Hoare triple {3098#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {3098#false} is VALID [2018-11-14 16:02:07,024 INFO L273 TraceCheckUtils]: 110: Hoare triple {3098#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {3098#false} is VALID [2018-11-14 16:02:07,025 INFO L273 TraceCheckUtils]: 111: Hoare triple {3098#false} assume !false; {3098#false} is VALID [2018-11-14 16:02:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2018-11-14 16:02:07,036 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 16:02:07,193 INFO L273 TraceCheckUtils]: 111: Hoare triple {3098#false} assume !false; {3098#false} is VALID [2018-11-14 16:02:07,193 INFO L273 TraceCheckUtils]: 110: Hoare triple {3098#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {3098#false} is VALID [2018-11-14 16:02:07,194 INFO L273 TraceCheckUtils]: 109: Hoare triple {3098#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {3098#false} is VALID [2018-11-14 16:02:07,194 INFO L268 TraceCheckUtils]: 108: Hoare quadruple {3098#false} {3097#true} #77#return; {3098#false} is VALID [2018-11-14 16:02:07,194 INFO L273 TraceCheckUtils]: 107: Hoare triple {3098#false} assume true; {3098#false} is VALID [2018-11-14 16:02:07,194 INFO L273 TraceCheckUtils]: 106: Hoare triple {3098#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {3098#false} is VALID [2018-11-14 16:02:07,195 INFO L273 TraceCheckUtils]: 105: Hoare triple {3458#(bvslt avg_~i~0 (_ bv40 32))} assume !~bvslt32(~i~0, 40bv32); {3098#false} is VALID [2018-11-14 16:02:07,196 INFO L273 TraceCheckUtils]: 104: Hoare triple {3458#(bvslt avg_~i~0 (_ bv40 32))} assume true; {3458#(bvslt avg_~i~0 (_ bv40 32))} is VALID [2018-11-14 16:02:07,196 INFO L273 TraceCheckUtils]: 103: Hoare triple {3465#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv40 32))} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3458#(bvslt avg_~i~0 (_ bv40 32))} is VALID [2018-11-14 16:02:07,196 INFO L273 TraceCheckUtils]: 102: Hoare triple {3465#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv40 32))} assume !!~bvslt32(~i~0, 40bv32);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; {3465#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:07,197 INFO L273 TraceCheckUtils]: 101: Hoare triple {3465#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv40 32))} assume true; {3465#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:07,197 INFO L273 TraceCheckUtils]: 100: Hoare triple {3097#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; {3465#(bvslt (bvadd avg_~i~0 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:07,197 INFO L256 TraceCheckUtils]: 99: Hoare triple {3097#true} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {3097#true} is VALID [2018-11-14 16:02:07,198 INFO L273 TraceCheckUtils]: 98: Hoare triple {3097#true} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {3097#true} is VALID [2018-11-14 16:02:07,198 INFO L273 TraceCheckUtils]: 97: Hoare triple {3097#true} assume !~bvslt32(~i~2, 39bv32); {3097#true} is VALID [2018-11-14 16:02:07,198 INFO L273 TraceCheckUtils]: 96: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,198 INFO L273 TraceCheckUtils]: 95: Hoare triple {3097#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; {3097#true} is VALID [2018-11-14 16:02:07,198 INFO L268 TraceCheckUtils]: 94: Hoare quadruple {3097#true} {3097#true} #75#return; {3097#true} is VALID [2018-11-14 16:02:07,199 INFO L273 TraceCheckUtils]: 93: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,199 INFO L273 TraceCheckUtils]: 92: Hoare triple {3097#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {3097#true} is VALID [2018-11-14 16:02:07,199 INFO L273 TraceCheckUtils]: 91: Hoare triple {3097#true} assume !~bvslt32(~i~0, 40bv32); {3097#true} is VALID [2018-11-14 16:02:07,199 INFO L273 TraceCheckUtils]: 90: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,199 INFO L273 TraceCheckUtils]: 89: Hoare triple {3097#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3097#true} is VALID [2018-11-14 16:02:07,200 INFO L273 TraceCheckUtils]: 88: Hoare triple {3097#true} assume !!~bvslt32(~i~0, 40bv32);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; {3097#true} is VALID [2018-11-14 16:02:07,200 INFO L273 TraceCheckUtils]: 87: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,200 INFO L273 TraceCheckUtils]: 86: Hoare triple {3097#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; {3097#true} is VALID [2018-11-14 16:02:07,200 INFO L256 TraceCheckUtils]: 85: Hoare triple {3097#true} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {3097#true} is VALID [2018-11-14 16:02:07,201 INFO L273 TraceCheckUtils]: 84: Hoare triple {3097#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); {3097#true} is VALID [2018-11-14 16:02:07,201 INFO L268 TraceCheckUtils]: 83: Hoare quadruple {3097#true} {3097#true} #73#return; {3097#true} is VALID [2018-11-14 16:02:07,201 INFO L273 TraceCheckUtils]: 82: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,201 INFO L273 TraceCheckUtils]: 81: Hoare triple {3097#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {3097#true} is VALID [2018-11-14 16:02:07,201 INFO L273 TraceCheckUtils]: 80: Hoare triple {3097#true} assume !~bvslt32(~i~0, 40bv32); {3097#true} is VALID [2018-11-14 16:02:07,201 INFO L273 TraceCheckUtils]: 79: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,201 INFO L273 TraceCheckUtils]: 78: Hoare triple {3097#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3097#true} is VALID [2018-11-14 16:02:07,202 INFO L273 TraceCheckUtils]: 77: Hoare triple {3097#true} assume !!~bvslt32(~i~0, 40bv32);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; {3097#true} is VALID [2018-11-14 16:02:07,202 INFO L273 TraceCheckUtils]: 76: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,202 INFO L273 TraceCheckUtils]: 75: Hoare triple {3097#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; {3097#true} is VALID [2018-11-14 16:02:07,202 INFO L256 TraceCheckUtils]: 74: Hoare triple {3097#true} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {3097#true} is VALID [2018-11-14 16:02:07,202 INFO L273 TraceCheckUtils]: 73: Hoare triple {3097#true} assume !~bvslt32(~i~1, 40bv32); {3097#true} is VALID [2018-11-14 16:02:07,202 INFO L273 TraceCheckUtils]: 72: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,202 INFO L273 TraceCheckUtils]: 71: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,203 INFO L273 TraceCheckUtils]: 70: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,203 INFO L273 TraceCheckUtils]: 69: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,203 INFO L273 TraceCheckUtils]: 68: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,203 INFO L273 TraceCheckUtils]: 67: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,203 INFO L273 TraceCheckUtils]: 66: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,203 INFO L273 TraceCheckUtils]: 65: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,203 INFO L273 TraceCheckUtils]: 64: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,203 INFO L273 TraceCheckUtils]: 63: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,204 INFO L273 TraceCheckUtils]: 62: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,204 INFO L273 TraceCheckUtils]: 61: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,204 INFO L273 TraceCheckUtils]: 60: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,204 INFO L273 TraceCheckUtils]: 59: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,204 INFO L273 TraceCheckUtils]: 58: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,204 INFO L273 TraceCheckUtils]: 57: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,204 INFO L273 TraceCheckUtils]: 56: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,204 INFO L273 TraceCheckUtils]: 55: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,205 INFO L273 TraceCheckUtils]: 54: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,205 INFO L273 TraceCheckUtils]: 53: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,205 INFO L273 TraceCheckUtils]: 52: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,205 INFO L273 TraceCheckUtils]: 51: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,205 INFO L273 TraceCheckUtils]: 50: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,205 INFO L273 TraceCheckUtils]: 49: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,205 INFO L273 TraceCheckUtils]: 48: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,206 INFO L273 TraceCheckUtils]: 47: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,206 INFO L273 TraceCheckUtils]: 46: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,206 INFO L273 TraceCheckUtils]: 45: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,206 INFO L273 TraceCheckUtils]: 44: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,206 INFO L273 TraceCheckUtils]: 43: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,207 INFO L273 TraceCheckUtils]: 42: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,207 INFO L273 TraceCheckUtils]: 41: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,207 INFO L273 TraceCheckUtils]: 40: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,207 INFO L273 TraceCheckUtils]: 39: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,207 INFO L273 TraceCheckUtils]: 38: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,207 INFO L273 TraceCheckUtils]: 37: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,208 INFO L273 TraceCheckUtils]: 36: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,208 INFO L273 TraceCheckUtils]: 35: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,208 INFO L273 TraceCheckUtils]: 34: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,208 INFO L273 TraceCheckUtils]: 33: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,208 INFO L273 TraceCheckUtils]: 32: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,208 INFO L273 TraceCheckUtils]: 31: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,209 INFO L273 TraceCheckUtils]: 30: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,209 INFO L273 TraceCheckUtils]: 29: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,209 INFO L273 TraceCheckUtils]: 28: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,209 INFO L273 TraceCheckUtils]: 27: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,209 INFO L273 TraceCheckUtils]: 26: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,209 INFO L273 TraceCheckUtils]: 25: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,210 INFO L273 TraceCheckUtils]: 24: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,210 INFO L273 TraceCheckUtils]: 23: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,210 INFO L273 TraceCheckUtils]: 22: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,210 INFO L273 TraceCheckUtils]: 21: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,210 INFO L273 TraceCheckUtils]: 20: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,211 INFO L273 TraceCheckUtils]: 19: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,211 INFO L273 TraceCheckUtils]: 18: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,211 INFO L273 TraceCheckUtils]: 17: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,211 INFO L273 TraceCheckUtils]: 16: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,211 INFO L273 TraceCheckUtils]: 15: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,211 INFO L273 TraceCheckUtils]: 14: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,212 INFO L273 TraceCheckUtils]: 13: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,212 INFO L273 TraceCheckUtils]: 12: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,212 INFO L273 TraceCheckUtils]: 11: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,212 INFO L273 TraceCheckUtils]: 10: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,212 INFO L273 TraceCheckUtils]: 9: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,212 INFO L273 TraceCheckUtils]: 8: Hoare triple {3097#true} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {3097#true} is VALID [2018-11-14 16:02:07,213 INFO L273 TraceCheckUtils]: 7: Hoare triple {3097#true} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {3097#true} is VALID [2018-11-14 16:02:07,213 INFO L273 TraceCheckUtils]: 6: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,213 INFO L273 TraceCheckUtils]: 5: Hoare triple {3097#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {3097#true} is VALID [2018-11-14 16:02:07,213 INFO L256 TraceCheckUtils]: 4: Hoare triple {3097#true} call #t~ret12 := main(); {3097#true} is VALID [2018-11-14 16:02:07,213 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3097#true} {3097#true} #69#return; {3097#true} is VALID [2018-11-14 16:02:07,213 INFO L273 TraceCheckUtils]: 2: Hoare triple {3097#true} assume true; {3097#true} is VALID [2018-11-14 16:02:07,214 INFO L273 TraceCheckUtils]: 1: Hoare triple {3097#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {3097#true} is VALID [2018-11-14 16:02:07,214 INFO L256 TraceCheckUtils]: 0: Hoare triple {3097#true} call ULTIMATE.init(); {3097#true} is VALID [2018-11-14 16:02:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2018-11-14 16:02:07,230 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 16:02:07,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-14 16:02:07,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-11-14 16:02:07,232 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:02:07,233 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-14 16:02:07,450 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:02:07,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-14 16:02:07,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-14 16:02:07,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-14 16:02:07,451 INFO L87 Difference]: Start difference. First operand 96 states and 100 transitions. Second operand 6 states. [2018-11-14 16:02:08,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:02:08,058 INFO L93 Difference]: Finished difference Result 126 states and 138 transitions. [2018-11-14 16:02:08,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-14 16:02:08,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-11-14 16:02:08,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:02:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-14 16:02:08,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 71 transitions. [2018-11-14 16:02:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-14 16:02:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 71 transitions. [2018-11-14 16:02:08,063 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 71 transitions. [2018-11-14 16:02:08,368 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:02:08,370 INFO L225 Difference]: With dead ends: 126 [2018-11-14 16:02:08,370 INFO L226 Difference]: Without dead ends: 105 [2018-11-14 16:02:08,371 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-14 16:02:08,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-14 16:02:08,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-14 16:02:08,504 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:02:08,504 INFO L82 GeneralOperation]: Start isEquivalent. First operand 105 states. Second operand 105 states. [2018-11-14 16:02:08,504 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 105 states. [2018-11-14 16:02:08,505 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 105 states. [2018-11-14 16:02:08,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:02:08,509 INFO L93 Difference]: Finished difference Result 105 states and 109 transitions. [2018-11-14 16:02:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 109 transitions. [2018-11-14 16:02:08,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:02:08,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:02:08,510 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 105 states. [2018-11-14 16:02:08,510 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 105 states. [2018-11-14 16:02:08,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:02:08,514 INFO L93 Difference]: Finished difference Result 105 states and 109 transitions. [2018-11-14 16:02:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 109 transitions. [2018-11-14 16:02:08,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:02:08,515 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:02:08,515 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:02:08,515 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:02:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-14 16:02:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 109 transitions. [2018-11-14 16:02:08,518 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 109 transitions. Word has length 112 [2018-11-14 16:02:08,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:02:08,519 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 109 transitions. [2018-11-14 16:02:08,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-14 16:02:08,519 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 109 transitions. [2018-11-14 16:02:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-14 16:02:08,521 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:02:08,521 INFO L375 BasicCegarLoop]: trace histogram [23, 22, 22, 15, 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] [2018-11-14 16:02:08,521 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:02:08,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:02:08,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1458155117, now seen corresponding path program 4 times [2018-11-14 16:02:08,522 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:02:08,522 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 [2018-11-14 16:02:08,548 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-14 16:02:09,442 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-14 16:02:09,442 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 16:02:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 16:02:09,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 16:02:10,249 INFO L256 TraceCheckUtils]: 0: Hoare triple {4297#true} call ULTIMATE.init(); {4297#true} is VALID [2018-11-14 16:02:10,249 INFO L273 TraceCheckUtils]: 1: Hoare triple {4297#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {4297#true} is VALID [2018-11-14 16:02:10,250 INFO L273 TraceCheckUtils]: 2: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:10,250 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4297#true} {4297#true} #69#return; {4297#true} is VALID [2018-11-14 16:02:10,250 INFO L256 TraceCheckUtils]: 4: Hoare triple {4297#true} call #t~ret12 := main(); {4297#true} is VALID [2018-11-14 16:02:10,251 INFO L273 TraceCheckUtils]: 5: Hoare triple {4297#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {4317#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:02:10,251 INFO L273 TraceCheckUtils]: 6: Hoare triple {4317#(= main_~i~1 (_ bv0 32))} assume true; {4317#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:02:10,252 INFO L273 TraceCheckUtils]: 7: Hoare triple {4317#(= main_~i~1 (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4317#(= main_~i~1 (_ bv0 32))} is VALID [2018-11-14 16:02:10,252 INFO L273 TraceCheckUtils]: 8: Hoare triple {4317#(= main_~i~1 (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4327#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,253 INFO L273 TraceCheckUtils]: 9: Hoare triple {4327#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume true; {4327#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,253 INFO L273 TraceCheckUtils]: 10: Hoare triple {4327#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4327#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,253 INFO L273 TraceCheckUtils]: 11: Hoare triple {4327#(= (bvadd main_~i~1 (_ bv4294967295 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4337#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,254 INFO L273 TraceCheckUtils]: 12: Hoare triple {4337#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} assume true; {4337#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,254 INFO L273 TraceCheckUtils]: 13: Hoare triple {4337#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4337#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,255 INFO L273 TraceCheckUtils]: 14: Hoare triple {4337#(= (bvadd main_~i~1 (_ bv4294967294 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4347#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,255 INFO L273 TraceCheckUtils]: 15: Hoare triple {4347#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} assume true; {4347#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,255 INFO L273 TraceCheckUtils]: 16: Hoare triple {4347#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4347#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,256 INFO L273 TraceCheckUtils]: 17: Hoare triple {4347#(= (bvadd main_~i~1 (_ bv4294967293 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4357#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,257 INFO L273 TraceCheckUtils]: 18: Hoare triple {4357#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} assume true; {4357#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,257 INFO L273 TraceCheckUtils]: 19: Hoare triple {4357#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4357#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,258 INFO L273 TraceCheckUtils]: 20: Hoare triple {4357#(= (bvadd main_~i~1 (_ bv4294967292 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4367#(= (_ bv5 32) main_~i~1)} is VALID [2018-11-14 16:02:10,259 INFO L273 TraceCheckUtils]: 21: Hoare triple {4367#(= (_ bv5 32) main_~i~1)} assume true; {4367#(= (_ bv5 32) main_~i~1)} is VALID [2018-11-14 16:02:10,259 INFO L273 TraceCheckUtils]: 22: Hoare triple {4367#(= (_ bv5 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4367#(= (_ bv5 32) main_~i~1)} is VALID [2018-11-14 16:02:10,260 INFO L273 TraceCheckUtils]: 23: Hoare triple {4367#(= (_ bv5 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4377#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,261 INFO L273 TraceCheckUtils]: 24: Hoare triple {4377#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} assume true; {4377#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,261 INFO L273 TraceCheckUtils]: 25: Hoare triple {4377#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4377#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,262 INFO L273 TraceCheckUtils]: 26: Hoare triple {4377#(= (bvadd main_~i~1 (_ bv4294967290 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4387#(= (_ bv7 32) main_~i~1)} is VALID [2018-11-14 16:02:10,263 INFO L273 TraceCheckUtils]: 27: Hoare triple {4387#(= (_ bv7 32) main_~i~1)} assume true; {4387#(= (_ bv7 32) main_~i~1)} is VALID [2018-11-14 16:02:10,264 INFO L273 TraceCheckUtils]: 28: Hoare triple {4387#(= (_ bv7 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4387#(= (_ bv7 32) main_~i~1)} is VALID [2018-11-14 16:02:10,264 INFO L273 TraceCheckUtils]: 29: Hoare triple {4387#(= (_ bv7 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4397#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,265 INFO L273 TraceCheckUtils]: 30: Hoare triple {4397#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} assume true; {4397#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,266 INFO L273 TraceCheckUtils]: 31: Hoare triple {4397#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4397#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,266 INFO L273 TraceCheckUtils]: 32: Hoare triple {4397#(= (bvadd main_~i~1 (_ bv4294967288 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4407#(= (_ bv9 32) main_~i~1)} is VALID [2018-11-14 16:02:10,267 INFO L273 TraceCheckUtils]: 33: Hoare triple {4407#(= (_ bv9 32) main_~i~1)} assume true; {4407#(= (_ bv9 32) main_~i~1)} is VALID [2018-11-14 16:02:10,268 INFO L273 TraceCheckUtils]: 34: Hoare triple {4407#(= (_ bv9 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4407#(= (_ bv9 32) main_~i~1)} is VALID [2018-11-14 16:02:10,269 INFO L273 TraceCheckUtils]: 35: Hoare triple {4407#(= (_ bv9 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4417#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,269 INFO L273 TraceCheckUtils]: 36: Hoare triple {4417#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} assume true; {4417#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,270 INFO L273 TraceCheckUtils]: 37: Hoare triple {4417#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4417#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,271 INFO L273 TraceCheckUtils]: 38: Hoare triple {4417#(= (bvadd main_~i~1 (_ bv4294967286 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4427#(= (_ bv11 32) main_~i~1)} is VALID [2018-11-14 16:02:10,271 INFO L273 TraceCheckUtils]: 39: Hoare triple {4427#(= (_ bv11 32) main_~i~1)} assume true; {4427#(= (_ bv11 32) main_~i~1)} is VALID [2018-11-14 16:02:10,272 INFO L273 TraceCheckUtils]: 40: Hoare triple {4427#(= (_ bv11 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4427#(= (_ bv11 32) main_~i~1)} is VALID [2018-11-14 16:02:10,273 INFO L273 TraceCheckUtils]: 41: Hoare triple {4427#(= (_ bv11 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4437#(= (bvadd main_~i~1 (_ bv4294967284 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,273 INFO L273 TraceCheckUtils]: 42: Hoare triple {4437#(= (bvadd main_~i~1 (_ bv4294967284 32)) (_ bv0 32))} assume true; {4437#(= (bvadd main_~i~1 (_ bv4294967284 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,274 INFO L273 TraceCheckUtils]: 43: Hoare triple {4437#(= (bvadd main_~i~1 (_ bv4294967284 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4437#(= (bvadd main_~i~1 (_ bv4294967284 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,275 INFO L273 TraceCheckUtils]: 44: Hoare triple {4437#(= (bvadd main_~i~1 (_ bv4294967284 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4447#(= (_ bv13 32) main_~i~1)} is VALID [2018-11-14 16:02:10,275 INFO L273 TraceCheckUtils]: 45: Hoare triple {4447#(= (_ bv13 32) main_~i~1)} assume true; {4447#(= (_ bv13 32) main_~i~1)} is VALID [2018-11-14 16:02:10,276 INFO L273 TraceCheckUtils]: 46: Hoare triple {4447#(= (_ bv13 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4447#(= (_ bv13 32) main_~i~1)} is VALID [2018-11-14 16:02:10,277 INFO L273 TraceCheckUtils]: 47: Hoare triple {4447#(= (_ bv13 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4457#(= (bvadd main_~i~1 (_ bv4294967282 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,277 INFO L273 TraceCheckUtils]: 48: Hoare triple {4457#(= (bvadd main_~i~1 (_ bv4294967282 32)) (_ bv0 32))} assume true; {4457#(= (bvadd main_~i~1 (_ bv4294967282 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,278 INFO L273 TraceCheckUtils]: 49: Hoare triple {4457#(= (bvadd main_~i~1 (_ bv4294967282 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4457#(= (bvadd main_~i~1 (_ bv4294967282 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,279 INFO L273 TraceCheckUtils]: 50: Hoare triple {4457#(= (bvadd main_~i~1 (_ bv4294967282 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4467#(= (_ bv15 32) main_~i~1)} is VALID [2018-11-14 16:02:10,280 INFO L273 TraceCheckUtils]: 51: Hoare triple {4467#(= (_ bv15 32) main_~i~1)} assume true; {4467#(= (_ bv15 32) main_~i~1)} is VALID [2018-11-14 16:02:10,280 INFO L273 TraceCheckUtils]: 52: Hoare triple {4467#(= (_ bv15 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4467#(= (_ bv15 32) main_~i~1)} is VALID [2018-11-14 16:02:10,281 INFO L273 TraceCheckUtils]: 53: Hoare triple {4467#(= (_ bv15 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4477#(= (bvadd main_~i~1 (_ bv4294967280 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,281 INFO L273 TraceCheckUtils]: 54: Hoare triple {4477#(= (bvadd main_~i~1 (_ bv4294967280 32)) (_ bv0 32))} assume true; {4477#(= (bvadd main_~i~1 (_ bv4294967280 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,282 INFO L273 TraceCheckUtils]: 55: Hoare triple {4477#(= (bvadd main_~i~1 (_ bv4294967280 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4477#(= (bvadd main_~i~1 (_ bv4294967280 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,283 INFO L273 TraceCheckUtils]: 56: Hoare triple {4477#(= (bvadd main_~i~1 (_ bv4294967280 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4487#(= (_ bv17 32) main_~i~1)} is VALID [2018-11-14 16:02:10,283 INFO L273 TraceCheckUtils]: 57: Hoare triple {4487#(= (_ bv17 32) main_~i~1)} assume true; {4487#(= (_ bv17 32) main_~i~1)} is VALID [2018-11-14 16:02:10,284 INFO L273 TraceCheckUtils]: 58: Hoare triple {4487#(= (_ bv17 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4487#(= (_ bv17 32) main_~i~1)} is VALID [2018-11-14 16:02:10,285 INFO L273 TraceCheckUtils]: 59: Hoare triple {4487#(= (_ bv17 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4497#(= (bvadd main_~i~1 (_ bv4294967278 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,285 INFO L273 TraceCheckUtils]: 60: Hoare triple {4497#(= (bvadd main_~i~1 (_ bv4294967278 32)) (_ bv0 32))} assume true; {4497#(= (bvadd main_~i~1 (_ bv4294967278 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,286 INFO L273 TraceCheckUtils]: 61: Hoare triple {4497#(= (bvadd main_~i~1 (_ bv4294967278 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4497#(= (bvadd main_~i~1 (_ bv4294967278 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,287 INFO L273 TraceCheckUtils]: 62: Hoare triple {4497#(= (bvadd main_~i~1 (_ bv4294967278 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4507#(= (_ bv19 32) main_~i~1)} is VALID [2018-11-14 16:02:10,288 INFO L273 TraceCheckUtils]: 63: Hoare triple {4507#(= (_ bv19 32) main_~i~1)} assume true; {4507#(= (_ bv19 32) main_~i~1)} is VALID [2018-11-14 16:02:10,288 INFO L273 TraceCheckUtils]: 64: Hoare triple {4507#(= (_ bv19 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4507#(= (_ bv19 32) main_~i~1)} is VALID [2018-11-14 16:02:10,289 INFO L273 TraceCheckUtils]: 65: Hoare triple {4507#(= (_ bv19 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4517#(= (bvadd main_~i~1 (_ bv4294967276 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,290 INFO L273 TraceCheckUtils]: 66: Hoare triple {4517#(= (bvadd main_~i~1 (_ bv4294967276 32)) (_ bv0 32))} assume true; {4517#(= (bvadd main_~i~1 (_ bv4294967276 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,290 INFO L273 TraceCheckUtils]: 67: Hoare triple {4517#(= (bvadd main_~i~1 (_ bv4294967276 32)) (_ bv0 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4517#(= (bvadd main_~i~1 (_ bv4294967276 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,291 INFO L273 TraceCheckUtils]: 68: Hoare triple {4517#(= (bvadd main_~i~1 (_ bv4294967276 32)) (_ bv0 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4527#(= (_ bv21 32) main_~i~1)} is VALID [2018-11-14 16:02:10,292 INFO L273 TraceCheckUtils]: 69: Hoare triple {4527#(= (_ bv21 32) main_~i~1)} assume true; {4527#(= (_ bv21 32) main_~i~1)} is VALID [2018-11-14 16:02:10,292 INFO L273 TraceCheckUtils]: 70: Hoare triple {4527#(= (_ bv21 32) main_~i~1)} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4527#(= (_ bv21 32) main_~i~1)} is VALID [2018-11-14 16:02:10,293 INFO L273 TraceCheckUtils]: 71: Hoare triple {4527#(= (_ bv21 32) main_~i~1)} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4537#(= (bvadd main_~i~1 (_ bv4294967274 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,294 INFO L273 TraceCheckUtils]: 72: Hoare triple {4537#(= (bvadd main_~i~1 (_ bv4294967274 32)) (_ bv0 32))} assume true; {4537#(= (bvadd main_~i~1 (_ bv4294967274 32)) (_ bv0 32))} is VALID [2018-11-14 16:02:10,294 INFO L273 TraceCheckUtils]: 73: Hoare triple {4537#(= (bvadd main_~i~1 (_ bv4294967274 32)) (_ bv0 32))} assume !~bvslt32(~i~1, 40bv32); {4298#false} is VALID [2018-11-14 16:02:10,295 INFO L256 TraceCheckUtils]: 74: Hoare triple {4298#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {4298#false} is VALID [2018-11-14 16:02:10,295 INFO L273 TraceCheckUtils]: 75: Hoare triple {4298#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; {4298#false} is VALID [2018-11-14 16:02:10,295 INFO L273 TraceCheckUtils]: 76: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,295 INFO L273 TraceCheckUtils]: 77: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,295 INFO L273 TraceCheckUtils]: 78: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,296 INFO L273 TraceCheckUtils]: 79: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,296 INFO L273 TraceCheckUtils]: 80: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,296 INFO L273 TraceCheckUtils]: 81: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,296 INFO L273 TraceCheckUtils]: 82: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,297 INFO L273 TraceCheckUtils]: 83: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,297 INFO L273 TraceCheckUtils]: 84: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,297 INFO L273 TraceCheckUtils]: 85: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,297 INFO L273 TraceCheckUtils]: 86: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,297 INFO L273 TraceCheckUtils]: 87: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,297 INFO L273 TraceCheckUtils]: 88: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,297 INFO L273 TraceCheckUtils]: 89: Hoare triple {4298#false} assume !~bvslt32(~i~0, 40bv32); {4298#false} is VALID [2018-11-14 16:02:10,298 INFO L273 TraceCheckUtils]: 90: Hoare triple {4298#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {4298#false} is VALID [2018-11-14 16:02:10,298 INFO L273 TraceCheckUtils]: 91: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,298 INFO L268 TraceCheckUtils]: 92: Hoare quadruple {4298#false} {4298#false} #73#return; {4298#false} is VALID [2018-11-14 16:02:10,298 INFO L273 TraceCheckUtils]: 93: Hoare triple {4298#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); {4298#false} is VALID [2018-11-14 16:02:10,298 INFO L256 TraceCheckUtils]: 94: Hoare triple {4298#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {4298#false} is VALID [2018-11-14 16:02:10,299 INFO L273 TraceCheckUtils]: 95: Hoare triple {4298#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; {4298#false} is VALID [2018-11-14 16:02:10,299 INFO L273 TraceCheckUtils]: 96: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,299 INFO L273 TraceCheckUtils]: 97: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,299 INFO L273 TraceCheckUtils]: 98: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,299 INFO L273 TraceCheckUtils]: 99: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,300 INFO L273 TraceCheckUtils]: 100: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,300 INFO L273 TraceCheckUtils]: 101: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,300 INFO L273 TraceCheckUtils]: 102: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,300 INFO L273 TraceCheckUtils]: 103: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,300 INFO L273 TraceCheckUtils]: 104: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,300 INFO L273 TraceCheckUtils]: 105: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,301 INFO L273 TraceCheckUtils]: 106: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,301 INFO L273 TraceCheckUtils]: 107: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,301 INFO L273 TraceCheckUtils]: 108: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,301 INFO L273 TraceCheckUtils]: 109: Hoare triple {4298#false} assume !~bvslt32(~i~0, 40bv32); {4298#false} is VALID [2018-11-14 16:02:10,301 INFO L273 TraceCheckUtils]: 110: Hoare triple {4298#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {4298#false} is VALID [2018-11-14 16:02:10,302 INFO L273 TraceCheckUtils]: 111: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,302 INFO L268 TraceCheckUtils]: 112: Hoare quadruple {4298#false} {4298#false} #75#return; {4298#false} is VALID [2018-11-14 16:02:10,302 INFO L273 TraceCheckUtils]: 113: Hoare triple {4298#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; {4298#false} is VALID [2018-11-14 16:02:10,302 INFO L273 TraceCheckUtils]: 114: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,302 INFO L273 TraceCheckUtils]: 115: Hoare triple {4298#false} assume !~bvslt32(~i~2, 39bv32); {4298#false} is VALID [2018-11-14 16:02:10,303 INFO L273 TraceCheckUtils]: 116: Hoare triple {4298#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {4298#false} is VALID [2018-11-14 16:02:10,303 INFO L256 TraceCheckUtils]: 117: Hoare triple {4298#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {4298#false} is VALID [2018-11-14 16:02:10,303 INFO L273 TraceCheckUtils]: 118: Hoare triple {4298#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; {4298#false} is VALID [2018-11-14 16:02:10,303 INFO L273 TraceCheckUtils]: 119: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,303 INFO L273 TraceCheckUtils]: 120: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,303 INFO L273 TraceCheckUtils]: 121: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,304 INFO L273 TraceCheckUtils]: 122: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,304 INFO L273 TraceCheckUtils]: 123: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,304 INFO L273 TraceCheckUtils]: 124: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,304 INFO L273 TraceCheckUtils]: 125: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,304 INFO L273 TraceCheckUtils]: 126: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,305 INFO L273 TraceCheckUtils]: 127: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,305 INFO L273 TraceCheckUtils]: 128: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,305 INFO L273 TraceCheckUtils]: 129: Hoare triple {4298#false} assume !!~bvslt32(~i~0, 40bv32);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; {4298#false} is VALID [2018-11-14 16:02:10,305 INFO L273 TraceCheckUtils]: 130: Hoare triple {4298#false} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4298#false} is VALID [2018-11-14 16:02:10,305 INFO L273 TraceCheckUtils]: 131: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,305 INFO L273 TraceCheckUtils]: 132: Hoare triple {4298#false} assume !~bvslt32(~i~0, 40bv32); {4298#false} is VALID [2018-11-14 16:02:10,306 INFO L273 TraceCheckUtils]: 133: Hoare triple {4298#false} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {4298#false} is VALID [2018-11-14 16:02:10,306 INFO L273 TraceCheckUtils]: 134: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:10,306 INFO L268 TraceCheckUtils]: 135: Hoare quadruple {4298#false} {4298#false} #77#return; {4298#false} is VALID [2018-11-14 16:02:10,306 INFO L273 TraceCheckUtils]: 136: Hoare triple {4298#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {4298#false} is VALID [2018-11-14 16:02:10,306 INFO L273 TraceCheckUtils]: 137: Hoare triple {4298#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {4298#false} is VALID [2018-11-14 16:02:10,307 INFO L273 TraceCheckUtils]: 138: Hoare triple {4298#false} assume !false; {4298#false} is VALID [2018-11-14 16:02:10,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-14 16:02:10,325 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 16:02:12,921 INFO L273 TraceCheckUtils]: 138: Hoare triple {4298#false} assume !false; {4298#false} is VALID [2018-11-14 16:02:12,921 INFO L273 TraceCheckUtils]: 137: Hoare triple {4298#false} assume ~ret~1 != ~ret2~0 || ~ret~1 != ~ret5~0; {4298#false} is VALID [2018-11-14 16:02:12,921 INFO L273 TraceCheckUtils]: 136: Hoare triple {4298#false} ~ret5~0 := #t~ret11;havoc #t~ret11; {4298#false} is VALID [2018-11-14 16:02:12,922 INFO L268 TraceCheckUtils]: 135: Hoare quadruple {4297#true} {4298#false} #77#return; {4298#false} is VALID [2018-11-14 16:02:12,922 INFO L273 TraceCheckUtils]: 134: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,922 INFO L273 TraceCheckUtils]: 133: Hoare triple {4297#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {4297#true} is VALID [2018-11-14 16:02:12,922 INFO L273 TraceCheckUtils]: 132: Hoare triple {4297#true} assume !~bvslt32(~i~0, 40bv32); {4297#true} is VALID [2018-11-14 16:02:12,922 INFO L273 TraceCheckUtils]: 131: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,922 INFO L273 TraceCheckUtils]: 130: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,922 INFO L273 TraceCheckUtils]: 129: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,922 INFO L273 TraceCheckUtils]: 128: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,923 INFO L273 TraceCheckUtils]: 127: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,923 INFO L273 TraceCheckUtils]: 126: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,923 INFO L273 TraceCheckUtils]: 125: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,923 INFO L273 TraceCheckUtils]: 124: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,923 INFO L273 TraceCheckUtils]: 123: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,923 INFO L273 TraceCheckUtils]: 122: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,923 INFO L273 TraceCheckUtils]: 121: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,923 INFO L273 TraceCheckUtils]: 120: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,924 INFO L273 TraceCheckUtils]: 119: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,924 INFO L273 TraceCheckUtils]: 118: Hoare triple {4297#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; {4297#true} is VALID [2018-11-14 16:02:12,924 INFO L256 TraceCheckUtils]: 117: Hoare triple {4298#false} call #t~ret11 := avg(~#x~0.base, ~#x~0.offset); {4297#true} is VALID [2018-11-14 16:02:12,924 INFO L273 TraceCheckUtils]: 116: Hoare triple {4298#false} call write~intINTTYPE4(~temp~0, ~#x~0.base, ~bvadd32(156bv32, ~#x~0.offset), 4bv32); {4298#false} is VALID [2018-11-14 16:02:12,924 INFO L273 TraceCheckUtils]: 115: Hoare triple {4298#false} assume !~bvslt32(~i~2, 39bv32); {4298#false} is VALID [2018-11-14 16:02:12,924 INFO L273 TraceCheckUtils]: 114: Hoare triple {4298#false} assume true; {4298#false} is VALID [2018-11-14 16:02:12,924 INFO L273 TraceCheckUtils]: 113: Hoare triple {4298#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; {4298#false} is VALID [2018-11-14 16:02:12,924 INFO L268 TraceCheckUtils]: 112: Hoare quadruple {4297#true} {4298#false} #75#return; {4298#false} is VALID [2018-11-14 16:02:12,925 INFO L273 TraceCheckUtils]: 111: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,925 INFO L273 TraceCheckUtils]: 110: Hoare triple {4297#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {4297#true} is VALID [2018-11-14 16:02:12,925 INFO L273 TraceCheckUtils]: 109: Hoare triple {4297#true} assume !~bvslt32(~i~0, 40bv32); {4297#true} is VALID [2018-11-14 16:02:12,925 INFO L273 TraceCheckUtils]: 108: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,925 INFO L273 TraceCheckUtils]: 107: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,925 INFO L273 TraceCheckUtils]: 106: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,926 INFO L273 TraceCheckUtils]: 105: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,926 INFO L273 TraceCheckUtils]: 104: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,926 INFO L273 TraceCheckUtils]: 103: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,926 INFO L273 TraceCheckUtils]: 102: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,926 INFO L273 TraceCheckUtils]: 101: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,926 INFO L273 TraceCheckUtils]: 100: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,927 INFO L273 TraceCheckUtils]: 99: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,927 INFO L273 TraceCheckUtils]: 98: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,927 INFO L273 TraceCheckUtils]: 97: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,927 INFO L273 TraceCheckUtils]: 96: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,927 INFO L273 TraceCheckUtils]: 95: Hoare triple {4297#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; {4297#true} is VALID [2018-11-14 16:02:12,927 INFO L256 TraceCheckUtils]: 94: Hoare triple {4298#false} call #t~ret7 := avg(~#x~0.base, ~#x~0.offset); {4297#true} is VALID [2018-11-14 16:02:12,927 INFO L273 TraceCheckUtils]: 93: Hoare triple {4298#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); {4298#false} is VALID [2018-11-14 16:02:12,928 INFO L268 TraceCheckUtils]: 92: Hoare quadruple {4297#true} {4298#false} #73#return; {4298#false} is VALID [2018-11-14 16:02:12,928 INFO L273 TraceCheckUtils]: 91: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,928 INFO L273 TraceCheckUtils]: 90: Hoare triple {4297#true} #res := ~bvsdiv64(~ret~0, ~sign_extendFrom32To64(40bv32))[32:0]; {4297#true} is VALID [2018-11-14 16:02:12,928 INFO L273 TraceCheckUtils]: 89: Hoare triple {4297#true} assume !~bvslt32(~i~0, 40bv32); {4297#true} is VALID [2018-11-14 16:02:12,928 INFO L273 TraceCheckUtils]: 88: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,928 INFO L273 TraceCheckUtils]: 87: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,929 INFO L273 TraceCheckUtils]: 86: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,929 INFO L273 TraceCheckUtils]: 85: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,929 INFO L273 TraceCheckUtils]: 84: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,929 INFO L273 TraceCheckUtils]: 83: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,929 INFO L273 TraceCheckUtils]: 82: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,929 INFO L273 TraceCheckUtils]: 81: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,930 INFO L273 TraceCheckUtils]: 80: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,930 INFO L273 TraceCheckUtils]: 79: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,930 INFO L273 TraceCheckUtils]: 78: Hoare triple {4297#true} #t~post0 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4297#true} is VALID [2018-11-14 16:02:12,930 INFO L273 TraceCheckUtils]: 77: Hoare triple {4297#true} assume !!~bvslt32(~i~0, 40bv32);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; {4297#true} is VALID [2018-11-14 16:02:12,930 INFO L273 TraceCheckUtils]: 76: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:12,930 INFO L273 TraceCheckUtils]: 75: Hoare triple {4297#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; {4297#true} is VALID [2018-11-14 16:02:12,930 INFO L256 TraceCheckUtils]: 74: Hoare triple {4298#false} call #t~ret4 := avg(~#x~0.base, ~#x~0.offset); {4297#true} is VALID [2018-11-14 16:02:12,932 INFO L273 TraceCheckUtils]: 73: Hoare triple {4934#(bvslt main_~i~1 (_ bv40 32))} assume !~bvslt32(~i~1, 40bv32); {4298#false} is VALID [2018-11-14 16:02:12,934 INFO L273 TraceCheckUtils]: 72: Hoare triple {4934#(bvslt main_~i~1 (_ bv40 32))} assume true; {4934#(bvslt main_~i~1 (_ bv40 32))} is VALID [2018-11-14 16:02:12,935 INFO L273 TraceCheckUtils]: 71: Hoare triple {4941#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4934#(bvslt main_~i~1 (_ bv40 32))} is VALID [2018-11-14 16:02:12,937 INFO L273 TraceCheckUtils]: 70: Hoare triple {4941#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4941#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,937 INFO L273 TraceCheckUtils]: 69: Hoare triple {4941#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} assume true; {4941#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,940 INFO L273 TraceCheckUtils]: 68: Hoare triple {4951#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4941#(bvslt (bvadd main_~i~1 (_ bv1 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,941 INFO L273 TraceCheckUtils]: 67: Hoare triple {4951#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4951#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,946 INFO L273 TraceCheckUtils]: 66: Hoare triple {4951#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} assume true; {4951#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,950 INFO L273 TraceCheckUtils]: 65: Hoare triple {4961#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4951#(bvslt (bvadd main_~i~1 (_ bv2 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,953 INFO L273 TraceCheckUtils]: 64: Hoare triple {4961#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4961#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,953 INFO L273 TraceCheckUtils]: 63: Hoare triple {4961#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} assume true; {4961#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,958 INFO L273 TraceCheckUtils]: 62: Hoare triple {4971#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4961#(bvslt (bvadd main_~i~1 (_ bv3 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,959 INFO L273 TraceCheckUtils]: 61: Hoare triple {4971#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4971#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,959 INFO L273 TraceCheckUtils]: 60: Hoare triple {4971#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} assume true; {4971#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,963 INFO L273 TraceCheckUtils]: 59: Hoare triple {4981#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4971#(bvslt (bvadd main_~i~1 (_ bv4 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,963 INFO L273 TraceCheckUtils]: 58: Hoare triple {4981#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4981#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,965 INFO L273 TraceCheckUtils]: 57: Hoare triple {4981#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} assume true; {4981#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,969 INFO L273 TraceCheckUtils]: 56: Hoare triple {4991#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4981#(bvslt (bvadd main_~i~1 (_ bv5 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,971 INFO L273 TraceCheckUtils]: 55: Hoare triple {4991#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {4991#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,971 INFO L273 TraceCheckUtils]: 54: Hoare triple {4991#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} assume true; {4991#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,975 INFO L273 TraceCheckUtils]: 53: Hoare triple {5001#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {4991#(bvslt (bvadd main_~i~1 (_ bv6 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,975 INFO L273 TraceCheckUtils]: 52: Hoare triple {5001#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5001#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,979 INFO L273 TraceCheckUtils]: 51: Hoare triple {5001#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} assume true; {5001#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,982 INFO L273 TraceCheckUtils]: 50: Hoare triple {5011#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5001#(bvslt (bvadd main_~i~1 (_ bv7 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,983 INFO L273 TraceCheckUtils]: 49: Hoare triple {5011#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5011#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,984 INFO L273 TraceCheckUtils]: 48: Hoare triple {5011#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} assume true; {5011#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,987 INFO L273 TraceCheckUtils]: 47: Hoare triple {5021#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5011#(bvslt (bvadd main_~i~1 (_ bv8 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,988 INFO L273 TraceCheckUtils]: 46: Hoare triple {5021#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5021#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,988 INFO L273 TraceCheckUtils]: 45: Hoare triple {5021#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} assume true; {5021#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,993 INFO L273 TraceCheckUtils]: 44: Hoare triple {5031#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5021#(bvslt (bvadd main_~i~1 (_ bv9 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,993 INFO L273 TraceCheckUtils]: 43: Hoare triple {5031#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5031#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,995 INFO L273 TraceCheckUtils]: 42: Hoare triple {5031#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} assume true; {5031#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:12,999 INFO L273 TraceCheckUtils]: 41: Hoare triple {5041#(bvslt (bvadd main_~i~1 (_ bv11 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5031#(bvslt (bvadd main_~i~1 (_ bv10 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,000 INFO L273 TraceCheckUtils]: 40: Hoare triple {5041#(bvslt (bvadd main_~i~1 (_ bv11 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5041#(bvslt (bvadd main_~i~1 (_ bv11 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,000 INFO L273 TraceCheckUtils]: 39: Hoare triple {5041#(bvslt (bvadd main_~i~1 (_ bv11 32)) (_ bv40 32))} assume true; {5041#(bvslt (bvadd main_~i~1 (_ bv11 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,005 INFO L273 TraceCheckUtils]: 38: Hoare triple {5051#(bvslt (bvadd main_~i~1 (_ bv12 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5041#(bvslt (bvadd main_~i~1 (_ bv11 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,006 INFO L273 TraceCheckUtils]: 37: Hoare triple {5051#(bvslt (bvadd main_~i~1 (_ bv12 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5051#(bvslt (bvadd main_~i~1 (_ bv12 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,011 INFO L273 TraceCheckUtils]: 36: Hoare triple {5051#(bvslt (bvadd main_~i~1 (_ bv12 32)) (_ bv40 32))} assume true; {5051#(bvslt (bvadd main_~i~1 (_ bv12 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,015 INFO L273 TraceCheckUtils]: 35: Hoare triple {5061#(bvslt (bvadd main_~i~1 (_ bv13 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5051#(bvslt (bvadd main_~i~1 (_ bv12 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,017 INFO L273 TraceCheckUtils]: 34: Hoare triple {5061#(bvslt (bvadd main_~i~1 (_ bv13 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5061#(bvslt (bvadd main_~i~1 (_ bv13 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,017 INFO L273 TraceCheckUtils]: 33: Hoare triple {5061#(bvslt (bvadd main_~i~1 (_ bv13 32)) (_ bv40 32))} assume true; {5061#(bvslt (bvadd main_~i~1 (_ bv13 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,021 INFO L273 TraceCheckUtils]: 32: Hoare triple {5071#(bvslt (bvadd main_~i~1 (_ bv14 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5061#(bvslt (bvadd main_~i~1 (_ bv13 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,022 INFO L273 TraceCheckUtils]: 31: Hoare triple {5071#(bvslt (bvadd main_~i~1 (_ bv14 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5071#(bvslt (bvadd main_~i~1 (_ bv14 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,024 INFO L273 TraceCheckUtils]: 30: Hoare triple {5071#(bvslt (bvadd main_~i~1 (_ bv14 32)) (_ bv40 32))} assume true; {5071#(bvslt (bvadd main_~i~1 (_ bv14 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,027 INFO L273 TraceCheckUtils]: 29: Hoare triple {5081#(bvslt (bvadd main_~i~1 (_ bv15 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5071#(bvslt (bvadd main_~i~1 (_ bv14 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,029 INFO L273 TraceCheckUtils]: 28: Hoare triple {5081#(bvslt (bvadd main_~i~1 (_ bv15 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5081#(bvslt (bvadd main_~i~1 (_ bv15 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,029 INFO L273 TraceCheckUtils]: 27: Hoare triple {5081#(bvslt (bvadd main_~i~1 (_ bv15 32)) (_ bv40 32))} assume true; {5081#(bvslt (bvadd main_~i~1 (_ bv15 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,035 INFO L273 TraceCheckUtils]: 26: Hoare triple {5091#(bvslt (bvadd main_~i~1 (_ bv16 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5081#(bvslt (bvadd main_~i~1 (_ bv15 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,041 INFO L273 TraceCheckUtils]: 25: Hoare triple {5091#(bvslt (bvadd main_~i~1 (_ bv16 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5091#(bvslt (bvadd main_~i~1 (_ bv16 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,042 INFO L273 TraceCheckUtils]: 24: Hoare triple {5091#(bvslt (bvadd main_~i~1 (_ bv16 32)) (_ bv40 32))} assume true; {5091#(bvslt (bvadd main_~i~1 (_ bv16 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,046 INFO L273 TraceCheckUtils]: 23: Hoare triple {5101#(bvslt (bvadd main_~i~1 (_ bv17 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5091#(bvslt (bvadd main_~i~1 (_ bv16 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,046 INFO L273 TraceCheckUtils]: 22: Hoare triple {5101#(bvslt (bvadd main_~i~1 (_ bv17 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5101#(bvslt (bvadd main_~i~1 (_ bv17 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,048 INFO L273 TraceCheckUtils]: 21: Hoare triple {5101#(bvslt (bvadd main_~i~1 (_ bv17 32)) (_ bv40 32))} assume true; {5101#(bvslt (bvadd main_~i~1 (_ bv17 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,052 INFO L273 TraceCheckUtils]: 20: Hoare triple {5111#(bvslt (bvadd main_~i~1 (_ bv18 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5101#(bvslt (bvadd main_~i~1 (_ bv17 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,053 INFO L273 TraceCheckUtils]: 19: Hoare triple {5111#(bvslt (bvadd main_~i~1 (_ bv18 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5111#(bvslt (bvadd main_~i~1 (_ bv18 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,055 INFO L273 TraceCheckUtils]: 18: Hoare triple {5111#(bvslt (bvadd main_~i~1 (_ bv18 32)) (_ bv40 32))} assume true; {5111#(bvslt (bvadd main_~i~1 (_ bv18 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,061 INFO L273 TraceCheckUtils]: 17: Hoare triple {5121#(bvslt (bvadd main_~i~1 (_ bv19 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5111#(bvslt (bvadd main_~i~1 (_ bv18 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,066 INFO L273 TraceCheckUtils]: 16: Hoare triple {5121#(bvslt (bvadd main_~i~1 (_ bv19 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5121#(bvslt (bvadd main_~i~1 (_ bv19 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,068 INFO L273 TraceCheckUtils]: 15: Hoare triple {5121#(bvslt (bvadd main_~i~1 (_ bv19 32)) (_ bv40 32))} assume true; {5121#(bvslt (bvadd main_~i~1 (_ bv19 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,072 INFO L273 TraceCheckUtils]: 14: Hoare triple {5131#(bvslt (bvadd main_~i~1 (_ bv20 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5121#(bvslt (bvadd main_~i~1 (_ bv19 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,073 INFO L273 TraceCheckUtils]: 13: Hoare triple {5131#(bvslt (bvadd main_~i~1 (_ bv20 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5131#(bvslt (bvadd main_~i~1 (_ bv20 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,074 INFO L273 TraceCheckUtils]: 12: Hoare triple {5131#(bvslt (bvadd main_~i~1 (_ bv20 32)) (_ bv40 32))} assume true; {5131#(bvslt (bvadd main_~i~1 (_ bv20 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,079 INFO L273 TraceCheckUtils]: 11: Hoare triple {5141#(bvslt (bvadd main_~i~1 (_ bv21 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5131#(bvslt (bvadd main_~i~1 (_ bv20 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,079 INFO L273 TraceCheckUtils]: 10: Hoare triple {5141#(bvslt (bvadd main_~i~1 (_ bv21 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5141#(bvslt (bvadd main_~i~1 (_ bv21 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,083 INFO L273 TraceCheckUtils]: 9: Hoare triple {5141#(bvslt (bvadd main_~i~1 (_ bv21 32)) (_ bv40 32))} assume true; {5141#(bvslt (bvadd main_~i~1 (_ bv21 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,086 INFO L273 TraceCheckUtils]: 8: Hoare triple {5151#(bvslt (bvadd main_~i~1 (_ bv22 32)) (_ bv40 32))} #t~post2 := ~i~1;~i~1 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {5141#(bvslt (bvadd main_~i~1 (_ bv21 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,088 INFO L273 TraceCheckUtils]: 7: Hoare triple {5151#(bvslt (bvadd main_~i~1 (_ bv22 32)) (_ bv40 32))} assume !!~bvslt32(~i~1, 40bv32);call write~intINTTYPE4(#t~nondet3, ~#x~0.base, ~bvadd32(~#x~0.offset, ~bvmul32(4bv32, ~i~1)), 4bv32);havoc #t~nondet3; {5151#(bvslt (bvadd main_~i~1 (_ bv22 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,088 INFO L273 TraceCheckUtils]: 6: Hoare triple {5151#(bvslt (bvadd main_~i~1 (_ bv22 32)) (_ bv40 32))} assume true; {5151#(bvslt (bvadd main_~i~1 (_ bv22 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,090 INFO L273 TraceCheckUtils]: 5: Hoare triple {4297#true} call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(160bv32);havoc ~temp~0;havoc ~ret~1;havoc ~ret2~0;havoc ~ret5~0;~i~1 := 0bv32; {5151#(bvslt (bvadd main_~i~1 (_ bv22 32)) (_ bv40 32))} is VALID [2018-11-14 16:02:13,090 INFO L256 TraceCheckUtils]: 4: Hoare triple {4297#true} call #t~ret12 := main(); {4297#true} is VALID [2018-11-14 16:02:13,090 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4297#true} {4297#true} #69#return; {4297#true} is VALID [2018-11-14 16:02:13,090 INFO L273 TraceCheckUtils]: 2: Hoare triple {4297#true} assume true; {4297#true} is VALID [2018-11-14 16:02:13,091 INFO L273 TraceCheckUtils]: 1: Hoare triple {4297#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {4297#true} is VALID [2018-11-14 16:02:13,091 INFO L256 TraceCheckUtils]: 0: Hoare triple {4297#true} call ULTIMATE.init(); {4297#true} is VALID [2018-11-14 16:02:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1025 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-14 16:02:13,112 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 16:02:13,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2018-11-14 16:02:13,113 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 139 [2018-11-14 16:02:13,114 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 16:02:13,114 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 48 states. [2018-11-14 16:02:13,630 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 177 edges. 177 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:02:13,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-11-14 16:02:13,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-11-14 16:02:13,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=607, Invalid=1649, Unknown=0, NotChecked=0, Total=2256 [2018-11-14 16:02:13,632 INFO L87 Difference]: Start difference. First operand 105 states and 109 transitions. Second operand 48 states. [2018-11-14 16:02:18,516 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 7 [2018-11-14 16:02:28,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:02:28,094 INFO L93 Difference]: Finished difference Result 190 states and 215 transitions. [2018-11-14 16:02:28,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-14 16:02:28,094 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 139 [2018-11-14 16:02:28,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 16:02:28,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-14 16:02:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 193 transitions. [2018-11-14 16:02:28,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-14 16:02:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 193 transitions. [2018-11-14 16:02:28,102 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states and 193 transitions. [2018-11-14 16:02:28,644 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 193 edges. 193 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 16:02:28,648 INFO L225 Difference]: With dead ends: 190 [2018-11-14 16:02:28,648 INFO L226 Difference]: Without dead ends: 159 [2018-11-14 16:02:28,650 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=1279, Invalid=2753, Unknown=0, NotChecked=0, Total=4032 [2018-11-14 16:02:28,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-14 16:02:28,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-14 16:02:28,713 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 16:02:28,713 INFO L82 GeneralOperation]: Start isEquivalent. First operand 159 states. Second operand 159 states. [2018-11-14 16:02:28,713 INFO L74 IsIncluded]: Start isIncluded. First operand 159 states. Second operand 159 states. [2018-11-14 16:02:28,713 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 159 states. [2018-11-14 16:02:28,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:02:28,719 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2018-11-14 16:02:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2018-11-14 16:02:28,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:02:28,720 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:02:28,720 INFO L74 IsIncluded]: Start isIncluded. First operand 159 states. Second operand 159 states. [2018-11-14 16:02:28,721 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 159 states. [2018-11-14 16:02:28,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 16:02:28,726 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2018-11-14 16:02:28,727 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2018-11-14 16:02:28,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 16:02:28,728 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 16:02:28,728 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 16:02:28,728 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 16:02:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-14 16:02:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2018-11-14 16:02:28,734 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 139 [2018-11-14 16:02:28,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 16:02:28,734 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2018-11-14 16:02:28,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-11-14 16:02:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2018-11-14 16:02:28,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-14 16:02:28,737 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 16:02:28,737 INFO L375 BasicCegarLoop]: trace histogram [41, 40, 40, 15, 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] [2018-11-14 16:02:28,737 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 16:02:28,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 16:02:28,738 INFO L82 PathProgramCache]: Analyzing trace with hash 873469395, now seen corresponding path program 5 times [2018-11-14 16:02:28,739 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 16:02:28,739 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 [2018-11-14 16:02:28,766 INFO L101 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1