java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/array-crafted/zero_sum2_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 10:40:05,629 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 10:40:05,632 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 10:40:05,647 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 10:40:05,647 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 10:40:05,649 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 10:40:05,650 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 10:40:05,652 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 10:40:05,655 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 10:40:05,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 10:40:05,657 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 10:40:05,657 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 10:40:05,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 10:40:05,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 10:40:05,660 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 10:40:05,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 10:40:05,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 10:40:05,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 10:40:05,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 10:40:05,668 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 10:40:05,669 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 10:40:05,670 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 10:40:05,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 10:40:05,673 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 10:40:05,673 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 10:40:05,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 10:40:05,675 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 10:40:05,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 10:40:05,677 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 10:40:05,678 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 10:40:05,678 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 10:40:05,679 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 10:40:05,679 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 10:40:05,679 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 10:40:05,681 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 10:40:05,682 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 10:40:05,682 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 10:40:05,711 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 10:40:05,712 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 10:40:05,712 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 10:40:05,716 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 10:40:05,717 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 10:40:05,717 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 10:40:05,717 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 10:40:05,717 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 10:40:05,718 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 10:40:05,719 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 10:40:05,719 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 10:40:05,719 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 10:40:05,719 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 10:40:05,720 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 10:40:05,720 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 10:40:05,720 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 10:40:05,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 10:40:05,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 10:40:05,720 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 10:40:05,721 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 10:40:05,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 10:40:05,721 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 10:40:05,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 10:40:05,721 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 10:40:05,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 10:40:05,723 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 10:40:05,723 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 10:40:05,724 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 10:40:05,724 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 10:40:05,724 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 10:40:05,724 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 10:40:05,724 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 10:40:05,724 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 10:40:05,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 10:40:05,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 10:40:05,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 10:40:05,824 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 10:40:05,825 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 10:40:05,825 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum2_true-unreach-call.c [2018-11-23 10:40:05,887 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e4a10825/f3148936e1a145bda4cd4305621dcf5b/FLAGafa115f73 [2018-11-23 10:40:06,315 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 10:40:06,316 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum2_true-unreach-call.c [2018-11-23 10:40:06,322 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e4a10825/f3148936e1a145bda4cd4305621dcf5b/FLAGafa115f73 [2018-11-23 10:40:06,689 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e4a10825/f3148936e1a145bda4cd4305621dcf5b [2018-11-23 10:40:06,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 10:40:06,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 10:40:06,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 10:40:06,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 10:40:06,705 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 10:40:06,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:06" (1/1) ... [2018-11-23 10:40:06,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f01937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:06, skipping insertion in model container [2018-11-23 10:40:06,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:40:06" (1/1) ... [2018-11-23 10:40:06,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 10:40:06,754 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 10:40:07,006 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:40:07,012 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 10:40:07,041 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 10:40:07,068 INFO L195 MainTranslator]: Completed translation [2018-11-23 10:40:07,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07 WrapperNode [2018-11-23 10:40:07,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 10:40:07,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 10:40:07,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 10:40:07,070 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 10:40:07,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (1/1) ... [2018-11-23 10:40:07,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (1/1) ... [2018-11-23 10:40:07,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 10:40:07,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 10:40:07,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 10:40:07,098 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 10:40:07,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (1/1) ... [2018-11-23 10:40:07,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (1/1) ... [2018-11-23 10:40:07,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (1/1) ... [2018-11-23 10:40:07,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (1/1) ... [2018-11-23 10:40:07,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (1/1) ... [2018-11-23 10:40:07,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (1/1) ... [2018-11-23 10:40:07,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (1/1) ... [2018-11-23 10:40:07,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 10:40:07,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 10:40:07,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 10:40:07,138 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 10:40:07,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 10:40:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 10:40:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 10:40:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 10:40:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2018-11-23 10:40:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 10:40:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 10:40:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 10:40:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 10:40:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 10:40:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 10:40:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 10:40:07,889 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 10:40:07,890 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 10:40:07,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:07 BoogieIcfgContainer [2018-11-23 10:40:07,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 10:40:07,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 10:40:07,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 10:40:07,894 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 10:40:07,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:40:06" (1/3) ... [2018-11-23 10:40:07,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee022f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:07, skipping insertion in model container [2018-11-23 10:40:07,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:40:07" (2/3) ... [2018-11-23 10:40:07,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee022f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:40:07, skipping insertion in model container [2018-11-23 10:40:07,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:40:07" (3/3) ... [2018-11-23 10:40:07,898 INFO L112 eAbstractionObserver]: Analyzing ICFG zero_sum2_true-unreach-call.c [2018-11-23 10:40:07,907 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 10:40:07,918 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 10:40:07,937 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 10:40:07,977 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 10:40:07,978 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 10:40:07,979 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 10:40:07,979 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 10:40:07,981 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 10:40:07,981 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 10:40:07,981 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 10:40:07,981 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 10:40:07,981 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 10:40:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-23 10:40:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:40:08,011 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:40:08,012 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:40:08,015 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:40:08,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:40:08,021 INFO L82 PathProgramCache]: Analyzing trace with hash -73003857, now seen corresponding path program 1 times [2018-11-23 10:40:08,026 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:40:08,027 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:40:08,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:40:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:40:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:40:08,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:40:08,473 INFO L256 TraceCheckUtils]: 0: Hoare triple {34#true} call ULTIMATE.init(); {34#true} is VALID [2018-11-23 10:40:08,476 INFO L273 TraceCheckUtils]: 1: Hoare triple {34#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {34#true} is VALID [2018-11-23 10:40:08,477 INFO L273 TraceCheckUtils]: 2: Hoare triple {34#true} assume true; {34#true} is VALID [2018-11-23 10:40:08,477 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34#true} {34#true} #83#return; {34#true} is VALID [2018-11-23 10:40:08,478 INFO L256 TraceCheckUtils]: 4: Hoare triple {34#true} call #t~ret10 := main(); {34#true} is VALID [2018-11-23 10:40:08,478 INFO L273 TraceCheckUtils]: 5: Hoare triple {34#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {34#true} is VALID [2018-11-23 10:40:08,478 INFO L273 TraceCheckUtils]: 6: Hoare triple {34#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {34#true} is VALID [2018-11-23 10:40:08,486 INFO L273 TraceCheckUtils]: 7: Hoare triple {34#true} assume !true; {35#false} is VALID [2018-11-23 10:40:08,486 INFO L273 TraceCheckUtils]: 8: Hoare triple {35#false} ~i~0 := 0bv32; {35#false} is VALID [2018-11-23 10:40:08,487 INFO L273 TraceCheckUtils]: 9: Hoare triple {35#false} assume !true; {35#false} is VALID [2018-11-23 10:40:08,487 INFO L273 TraceCheckUtils]: 10: Hoare triple {35#false} ~i~0 := 0bv32; {35#false} is VALID [2018-11-23 10:40:08,487 INFO L273 TraceCheckUtils]: 11: Hoare triple {35#false} assume !true; {35#false} is VALID [2018-11-23 10:40:08,488 INFO L273 TraceCheckUtils]: 12: Hoare triple {35#false} ~i~0 := 0bv32; {35#false} is VALID [2018-11-23 10:40:08,488 INFO L273 TraceCheckUtils]: 13: Hoare triple {35#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {35#false} is VALID [2018-11-23 10:40:08,488 INFO L256 TraceCheckUtils]: 14: Hoare triple {35#false} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {35#false} is VALID [2018-11-23 10:40:08,489 INFO L273 TraceCheckUtils]: 15: Hoare triple {35#false} ~cond := #in~cond; {35#false} is VALID [2018-11-23 10:40:08,489 INFO L273 TraceCheckUtils]: 16: Hoare triple {35#false} assume 0bv32 == ~cond; {35#false} is VALID [2018-11-23 10:40:08,489 INFO L273 TraceCheckUtils]: 17: Hoare triple {35#false} assume !false; {35#false} is VALID [2018-11-23 10:40:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:40:08,493 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:40:08,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:40:08,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 10:40:08,503 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-23 10:40:08,506 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:40:08,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-23 10:40:08,572 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:08,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 10:40:08,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 10:40:08,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 10:40:08,583 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-11-23 10:40:08,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:08,702 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2018-11-23 10:40:08,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 10:40:08,703 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-23 10:40:08,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:40:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 10:40:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 69 transitions. [2018-11-23 10:40:08,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 10:40:08,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 69 transitions. [2018-11-23 10:40:08,722 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 69 transitions. [2018-11-23 10:40:09,062 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:09,074 INFO L225 Difference]: With dead ends: 53 [2018-11-23 10:40:09,075 INFO L226 Difference]: Without dead ends: 23 [2018-11-23 10:40:09,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 10:40:09,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-23 10:40:09,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-11-23 10:40:09,150 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:40:09,151 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 23 states. [2018-11-23 10:40:09,151 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2018-11-23 10:40:09,152 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2018-11-23 10:40:09,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:09,156 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2018-11-23 10:40:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-11-23 10:40:09,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:40:09,157 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:40:09,157 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 23 states. [2018-11-23 10:40:09,158 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 23 states. [2018-11-23 10:40:09,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:09,166 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2018-11-23 10:40:09,166 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-11-23 10:40:09,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:40:09,167 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:40:09,167 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:40:09,168 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:40:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-23 10:40:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2018-11-23 10:40:09,175 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 18 [2018-11-23 10:40:09,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:40:09,176 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2018-11-23 10:40:09,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 10:40:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-11-23 10:40:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 10:40:09,177 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:40:09,178 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:40:09,179 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:40:09,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:40:09,179 INFO L82 PathProgramCache]: Analyzing trace with hash -951460195, now seen corresponding path program 1 times [2018-11-23 10:40:09,180 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:40:09,180 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:40:09,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:40:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:40:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:40:09,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:40:09,593 INFO L256 TraceCheckUtils]: 0: Hoare triple {236#true} call ULTIMATE.init(); {236#true} is VALID [2018-11-23 10:40:09,594 INFO L273 TraceCheckUtils]: 1: Hoare triple {236#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {236#true} is VALID [2018-11-23 10:40:09,594 INFO L273 TraceCheckUtils]: 2: Hoare triple {236#true} assume true; {236#true} is VALID [2018-11-23 10:40:09,594 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {236#true} {236#true} #83#return; {236#true} is VALID [2018-11-23 10:40:09,595 INFO L256 TraceCheckUtils]: 4: Hoare triple {236#true} call #t~ret10 := main(); {236#true} is VALID [2018-11-23 10:40:09,595 INFO L273 TraceCheckUtils]: 5: Hoare triple {236#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {236#true} is VALID [2018-11-23 10:40:09,608 INFO L273 TraceCheckUtils]: 6: Hoare triple {236#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:09,621 INFO L273 TraceCheckUtils]: 7: Hoare triple {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:09,634 INFO L273 TraceCheckUtils]: 8: Hoare triple {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} ~i~0 := 0bv32; {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:09,648 INFO L273 TraceCheckUtils]: 9: Hoare triple {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:09,661 INFO L273 TraceCheckUtils]: 10: Hoare triple {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} ~i~0 := 0bv32; {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:09,674 INFO L273 TraceCheckUtils]: 11: Hoare triple {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:09,687 INFO L273 TraceCheckUtils]: 12: Hoare triple {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} ~i~0 := 0bv32; {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:09,695 INFO L273 TraceCheckUtils]: 13: Hoare triple {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:09,696 INFO L256 TraceCheckUtils]: 14: Hoare triple {259#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {284#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:40:09,697 INFO L273 TraceCheckUtils]: 15: Hoare triple {284#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {288#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:40:09,698 INFO L273 TraceCheckUtils]: 16: Hoare triple {288#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {237#false} is VALID [2018-11-23 10:40:09,698 INFO L273 TraceCheckUtils]: 17: Hoare triple {237#false} assume !false; {237#false} is VALID [2018-11-23 10:40:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:40:09,702 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:40:09,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:40:09,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 10:40:09,707 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-23 10:40:09,707 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:40:09,707 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 10:40:09,803 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:09,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 10:40:09,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 10:40:09,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 10:40:09,804 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 5 states. [2018-11-23 10:40:10,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:10,472 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2018-11-23 10:40:10,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 10:40:10,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-23 10:40:10,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:40:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 10:40:10,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2018-11-23 10:40:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 10:40:10,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2018-11-23 10:40:10,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2018-11-23 10:40:10,608 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:10,611 INFO L225 Difference]: With dead ends: 35 [2018-11-23 10:40:10,611 INFO L226 Difference]: Without dead ends: 30 [2018-11-23 10:40:10,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 10:40:10,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-23 10:40:10,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-11-23 10:40:10,634 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:40:10,634 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand 30 states. [2018-11-23 10:40:10,635 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2018-11-23 10:40:10,635 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2018-11-23 10:40:10,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:10,638 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2018-11-23 10:40:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-11-23 10:40:10,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:40:10,639 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:40:10,640 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 30 states. [2018-11-23 10:40:10,640 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 30 states. [2018-11-23 10:40:10,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:10,643 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2018-11-23 10:40:10,643 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-11-23 10:40:10,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:40:10,644 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:40:10,644 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:40:10,645 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:40:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-23 10:40:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2018-11-23 10:40:10,647 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 18 [2018-11-23 10:40:10,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:40:10,648 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2018-11-23 10:40:10,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 10:40:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2018-11-23 10:40:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 10:40:10,649 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:40:10,649 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:40:10,650 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:40:10,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:40:10,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1831075035, now seen corresponding path program 1 times [2018-11-23 10:40:10,651 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:40:10,651 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:40:10,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 10:40:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:40:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:40:10,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:40:11,077 INFO L256 TraceCheckUtils]: 0: Hoare triple {451#true} call ULTIMATE.init(); {451#true} is VALID [2018-11-23 10:40:11,078 INFO L273 TraceCheckUtils]: 1: Hoare triple {451#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {451#true} is VALID [2018-11-23 10:40:11,078 INFO L273 TraceCheckUtils]: 2: Hoare triple {451#true} assume true; {451#true} is VALID [2018-11-23 10:40:11,079 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {451#true} {451#true} #83#return; {451#true} is VALID [2018-11-23 10:40:11,079 INFO L256 TraceCheckUtils]: 4: Hoare triple {451#true} call #t~ret10 := main(); {451#true} is VALID [2018-11-23 10:40:11,079 INFO L273 TraceCheckUtils]: 5: Hoare triple {451#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {451#true} is VALID [2018-11-23 10:40:11,089 INFO L273 TraceCheckUtils]: 6: Hoare triple {451#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {474#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} is VALID [2018-11-23 10:40:11,102 INFO L273 TraceCheckUtils]: 7: Hoare triple {474#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {474#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} is VALID [2018-11-23 10:40:11,116 INFO L273 TraceCheckUtils]: 8: Hoare triple {474#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {481#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:40:11,129 INFO L273 TraceCheckUtils]: 9: Hoare triple {481#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {452#false} is VALID [2018-11-23 10:40:11,130 INFO L273 TraceCheckUtils]: 10: Hoare triple {452#false} ~i~0 := 0bv32; {452#false} is VALID [2018-11-23 10:40:11,130 INFO L273 TraceCheckUtils]: 11: Hoare triple {452#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {452#false} is VALID [2018-11-23 10:40:11,131 INFO L273 TraceCheckUtils]: 12: Hoare triple {452#false} ~i~0 := 0bv32; {452#false} is VALID [2018-11-23 10:40:11,131 INFO L273 TraceCheckUtils]: 13: Hoare triple {452#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {452#false} is VALID [2018-11-23 10:40:11,131 INFO L273 TraceCheckUtils]: 14: Hoare triple {452#false} ~i~0 := 0bv32; {452#false} is VALID [2018-11-23 10:40:11,132 INFO L273 TraceCheckUtils]: 15: Hoare triple {452#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {452#false} is VALID [2018-11-23 10:40:11,132 INFO L256 TraceCheckUtils]: 16: Hoare triple {452#false} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {452#false} is VALID [2018-11-23 10:40:11,132 INFO L273 TraceCheckUtils]: 17: Hoare triple {452#false} ~cond := #in~cond; {452#false} is VALID [2018-11-23 10:40:11,133 INFO L273 TraceCheckUtils]: 18: Hoare triple {452#false} assume 0bv32 == ~cond; {452#false} is VALID [2018-11-23 10:40:11,133 INFO L273 TraceCheckUtils]: 19: Hoare triple {452#false} assume !false; {452#false} is VALID [2018-11-23 10:40:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:40:11,135 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:40:11,337 INFO L273 TraceCheckUtils]: 19: Hoare triple {452#false} assume !false; {452#false} is VALID [2018-11-23 10:40:11,338 INFO L273 TraceCheckUtils]: 18: Hoare triple {452#false} assume 0bv32 == ~cond; {452#false} is VALID [2018-11-23 10:40:11,339 INFO L273 TraceCheckUtils]: 17: Hoare triple {452#false} ~cond := #in~cond; {452#false} is VALID [2018-11-23 10:40:11,339 INFO L256 TraceCheckUtils]: 16: Hoare triple {452#false} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {452#false} is VALID [2018-11-23 10:40:11,339 INFO L273 TraceCheckUtils]: 15: Hoare triple {452#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {452#false} is VALID [2018-11-23 10:40:11,340 INFO L273 TraceCheckUtils]: 14: Hoare triple {452#false} ~i~0 := 0bv32; {452#false} is VALID [2018-11-23 10:40:11,340 INFO L273 TraceCheckUtils]: 13: Hoare triple {452#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {452#false} is VALID [2018-11-23 10:40:11,341 INFO L273 TraceCheckUtils]: 12: Hoare triple {452#false} ~i~0 := 0bv32; {452#false} is VALID [2018-11-23 10:40:11,341 INFO L273 TraceCheckUtils]: 11: Hoare triple {452#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {452#false} is VALID [2018-11-23 10:40:11,342 INFO L273 TraceCheckUtils]: 10: Hoare triple {452#false} ~i~0 := 0bv32; {452#false} is VALID [2018-11-23 10:40:11,344 INFO L273 TraceCheckUtils]: 9: Hoare triple {545#(bvslt main_~i~0 ((_ sign_extend 16) ~SIZE~0))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {452#false} is VALID [2018-11-23 10:40:11,345 INFO L273 TraceCheckUtils]: 8: Hoare triple {549#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {545#(bvslt main_~i~0 ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:40:11,346 INFO L273 TraceCheckUtils]: 7: Hoare triple {549#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {549#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:40:11,348 INFO L273 TraceCheckUtils]: 6: Hoare triple {451#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {549#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:40:11,348 INFO L273 TraceCheckUtils]: 5: Hoare triple {451#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {451#true} is VALID [2018-11-23 10:40:11,348 INFO L256 TraceCheckUtils]: 4: Hoare triple {451#true} call #t~ret10 := main(); {451#true} is VALID [2018-11-23 10:40:11,349 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {451#true} {451#true} #83#return; {451#true} is VALID [2018-11-23 10:40:11,349 INFO L273 TraceCheckUtils]: 2: Hoare triple {451#true} assume true; {451#true} is VALID [2018-11-23 10:40:11,349 INFO L273 TraceCheckUtils]: 1: Hoare triple {451#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {451#true} is VALID [2018-11-23 10:40:11,350 INFO L256 TraceCheckUtils]: 0: Hoare triple {451#true} call ULTIMATE.init(); {451#true} is VALID [2018-11-23 10:40:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:40:11,353 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:40:11,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-23 10:40:11,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-11-23 10:40:11,357 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:40:11,357 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 10:40:11,460 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:11,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 10:40:11,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 10:40:11,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 10:40:11,462 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 6 states. [2018-11-23 10:40:11,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:11,934 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2018-11-23 10:40:11,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 10:40:11,934 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-11-23 10:40:11,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:40:11,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:40:11,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2018-11-23 10:40:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 10:40:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2018-11-23 10:40:11,941 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 48 transitions. [2018-11-23 10:40:12,137 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:12,139 INFO L225 Difference]: With dead ends: 47 [2018-11-23 10:40:12,139 INFO L226 Difference]: Without dead ends: 27 [2018-11-23 10:40:12,140 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 10:40:12,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-23 10:40:12,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2018-11-23 10:40:12,165 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:40:12,165 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand 26 states. [2018-11-23 10:40:12,165 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 26 states. [2018-11-23 10:40:12,165 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 26 states. [2018-11-23 10:40:12,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:12,168 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2018-11-23 10:40:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-23 10:40:12,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:40:12,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:40:12,169 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 27 states. [2018-11-23 10:40:12,169 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 27 states. [2018-11-23 10:40:12,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:12,172 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2018-11-23 10:40:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-23 10:40:12,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:40:12,173 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:40:12,173 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:40:12,173 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:40:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-23 10:40:12,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2018-11-23 10:40:12,175 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 20 [2018-11-23 10:40:12,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:40:12,176 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2018-11-23 10:40:12,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 10:40:12,176 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-11-23 10:40:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 10:40:12,177 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:40:12,177 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:40:12,177 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:40:12,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:40:12,178 INFO L82 PathProgramCache]: Analyzing trace with hash 82805657, now seen corresponding path program 2 times [2018-11-23 10:40:12,178 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:40:12,179 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:40:12,196 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 10:40:12,225 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-23 10:40:12,226 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 10:40:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:40:12,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:40:12,499 INFO L256 TraceCheckUtils]: 0: Hoare triple {735#true} call ULTIMATE.init(); {735#true} is VALID [2018-11-23 10:40:12,499 INFO L273 TraceCheckUtils]: 1: Hoare triple {735#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {735#true} is VALID [2018-11-23 10:40:12,500 INFO L273 TraceCheckUtils]: 2: Hoare triple {735#true} assume true; {735#true} is VALID [2018-11-23 10:40:12,500 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {735#true} {735#true} #83#return; {735#true} is VALID [2018-11-23 10:40:12,500 INFO L256 TraceCheckUtils]: 4: Hoare triple {735#true} call #t~ret10 := main(); {735#true} is VALID [2018-11-23 10:40:12,500 INFO L273 TraceCheckUtils]: 5: Hoare triple {735#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {735#true} is VALID [2018-11-23 10:40:12,501 INFO L273 TraceCheckUtils]: 6: Hoare triple {735#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} is VALID [2018-11-23 10:40:12,501 INFO L273 TraceCheckUtils]: 7: Hoare triple {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} is VALID [2018-11-23 10:40:12,503 INFO L273 TraceCheckUtils]: 8: Hoare triple {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} is VALID [2018-11-23 10:40:12,503 INFO L273 TraceCheckUtils]: 9: Hoare triple {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} is VALID [2018-11-23 10:40:12,505 INFO L273 TraceCheckUtils]: 10: Hoare triple {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} is VALID [2018-11-23 10:40:12,506 INFO L273 TraceCheckUtils]: 11: Hoare triple {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} is VALID [2018-11-23 10:40:12,507 INFO L273 TraceCheckUtils]: 12: Hoare triple {758#(bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32))} ~i~0 := 0bv32; {777#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} is VALID [2018-11-23 10:40:12,508 INFO L273 TraceCheckUtils]: 13: Hoare triple {777#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {736#false} is VALID [2018-11-23 10:40:12,508 INFO L273 TraceCheckUtils]: 14: Hoare triple {736#false} ~i~0 := 0bv32; {736#false} is VALID [2018-11-23 10:40:12,509 INFO L273 TraceCheckUtils]: 15: Hoare triple {736#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {736#false} is VALID [2018-11-23 10:40:12,509 INFO L273 TraceCheckUtils]: 16: Hoare triple {736#false} ~i~0 := 0bv32; {736#false} is VALID [2018-11-23 10:40:12,510 INFO L273 TraceCheckUtils]: 17: Hoare triple {736#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {736#false} is VALID [2018-11-23 10:40:12,510 INFO L256 TraceCheckUtils]: 18: Hoare triple {736#false} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {736#false} is VALID [2018-11-23 10:40:12,511 INFO L273 TraceCheckUtils]: 19: Hoare triple {736#false} ~cond := #in~cond; {736#false} is VALID [2018-11-23 10:40:12,511 INFO L273 TraceCheckUtils]: 20: Hoare triple {736#false} assume 0bv32 == ~cond; {736#false} is VALID [2018-11-23 10:40:12,511 INFO L273 TraceCheckUtils]: 21: Hoare triple {736#false} assume !false; {736#false} is VALID [2018-11-23 10:40:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 10:40:12,513 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 10:40:12,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 10:40:12,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 10:40:12,516 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-23 10:40:12,516 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:40:12,516 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 10:40:12,546 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:12,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 10:40:12,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 10:40:12,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 10:40:12,547 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 4 states. [2018-11-23 10:40:12,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:12,795 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2018-11-23 10:40:12,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 10:40:12,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-11-23 10:40:12,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:40:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 10:40:12,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 49 transitions. [2018-11-23 10:40:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 10:40:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 49 transitions. [2018-11-23 10:40:12,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 49 transitions. [2018-11-23 10:40:12,933 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:12,936 INFO L225 Difference]: With dead ends: 43 [2018-11-23 10:40:12,936 INFO L226 Difference]: Without dead ends: 32 [2018-11-23 10:40:12,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 10:40:12,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-23 10:40:12,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2018-11-23 10:40:12,961 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:40:12,962 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand 29 states. [2018-11-23 10:40:12,962 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 29 states. [2018-11-23 10:40:12,962 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 29 states. [2018-11-23 10:40:12,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:12,965 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2018-11-23 10:40:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2018-11-23 10:40:12,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:40:12,966 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:40:12,966 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 32 states. [2018-11-23 10:40:12,966 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 32 states. [2018-11-23 10:40:12,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:12,968 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2018-11-23 10:40:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2018-11-23 10:40:12,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:40:12,969 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:40:12,969 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:40:12,970 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:40:12,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-23 10:40:12,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-11-23 10:40:12,971 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 22 [2018-11-23 10:40:12,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:40:12,972 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-11-23 10:40:12,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 10:40:12,972 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-11-23 10:40:12,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 10:40:12,973 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:40:12,973 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:40:12,974 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:40:12,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:40:12,974 INFO L82 PathProgramCache]: Analyzing trace with hash 2069498195, now seen corresponding path program 1 times [2018-11-23 10:40:12,975 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:40:12,975 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:40:12,996 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 10:40:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:40:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:40:13,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:40:13,366 INFO L256 TraceCheckUtils]: 0: Hoare triple {974#true} call ULTIMATE.init(); {974#true} is VALID [2018-11-23 10:40:13,367 INFO L273 TraceCheckUtils]: 1: Hoare triple {974#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {974#true} is VALID [2018-11-23 10:40:13,367 INFO L273 TraceCheckUtils]: 2: Hoare triple {974#true} assume true; {974#true} is VALID [2018-11-23 10:40:13,368 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {974#true} {974#true} #83#return; {974#true} is VALID [2018-11-23 10:40:13,368 INFO L256 TraceCheckUtils]: 4: Hoare triple {974#true} call #t~ret10 := main(); {974#true} is VALID [2018-11-23 10:40:13,369 INFO L273 TraceCheckUtils]: 5: Hoare triple {974#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {974#true} is VALID [2018-11-23 10:40:13,382 INFO L273 TraceCheckUtils]: 6: Hoare triple {974#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {997#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} is VALID [2018-11-23 10:40:13,383 INFO L273 TraceCheckUtils]: 7: Hoare triple {997#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {997#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} is VALID [2018-11-23 10:40:13,388 INFO L273 TraceCheckUtils]: 8: Hoare triple {997#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1004#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:40:13,389 INFO L273 TraceCheckUtils]: 9: Hoare triple {1004#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {1004#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:40:13,390 INFO L273 TraceCheckUtils]: 10: Hoare triple {1004#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1011#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (_ bv2 32) main_~i~0))} is VALID [2018-11-23 10:40:13,392 INFO L273 TraceCheckUtils]: 11: Hoare triple {1011#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (_ bv2 32) main_~i~0))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {1015#(and (not (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} is VALID [2018-11-23 10:40:13,392 INFO L273 TraceCheckUtils]: 12: Hoare triple {1015#(and (not (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} ~i~0 := 0bv32; {1019#(and (not (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))) (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} is VALID [2018-11-23 10:40:13,394 INFO L273 TraceCheckUtils]: 13: Hoare triple {1019#(and (not (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))) (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {1019#(and (not (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))) (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} is VALID [2018-11-23 10:40:13,396 INFO L273 TraceCheckUtils]: 14: Hoare triple {1019#(and (not (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))) (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1026#(and (not (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:40:13,398 INFO L273 TraceCheckUtils]: 15: Hoare triple {1026#(and (not (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {975#false} is VALID [2018-11-23 10:40:13,398 INFO L273 TraceCheckUtils]: 16: Hoare triple {975#false} ~i~0 := 0bv32; {975#false} is VALID [2018-11-23 10:40:13,398 INFO L273 TraceCheckUtils]: 17: Hoare triple {975#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {975#false} is VALID [2018-11-23 10:40:13,398 INFO L273 TraceCheckUtils]: 18: Hoare triple {975#false} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {975#false} is VALID [2018-11-23 10:40:13,399 INFO L273 TraceCheckUtils]: 19: Hoare triple {975#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {975#false} is VALID [2018-11-23 10:40:13,399 INFO L273 TraceCheckUtils]: 20: Hoare triple {975#false} ~i~0 := 0bv32; {975#false} is VALID [2018-11-23 10:40:13,399 INFO L273 TraceCheckUtils]: 21: Hoare triple {975#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {975#false} is VALID [2018-11-23 10:40:13,399 INFO L273 TraceCheckUtils]: 22: Hoare triple {975#false} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {975#false} is VALID [2018-11-23 10:40:13,400 INFO L273 TraceCheckUtils]: 23: Hoare triple {975#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {975#false} is VALID [2018-11-23 10:40:13,400 INFO L256 TraceCheckUtils]: 24: Hoare triple {975#false} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {975#false} is VALID [2018-11-23 10:40:13,400 INFO L273 TraceCheckUtils]: 25: Hoare triple {975#false} ~cond := #in~cond; {975#false} is VALID [2018-11-23 10:40:13,401 INFO L273 TraceCheckUtils]: 26: Hoare triple {975#false} assume 0bv32 == ~cond; {975#false} is VALID [2018-11-23 10:40:13,401 INFO L273 TraceCheckUtils]: 27: Hoare triple {975#false} assume !false; {975#false} is VALID [2018-11-23 10:40:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 10:40:13,404 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:40:13,865 INFO L273 TraceCheckUtils]: 27: Hoare triple {975#false} assume !false; {975#false} is VALID [2018-11-23 10:40:13,866 INFO L273 TraceCheckUtils]: 26: Hoare triple {975#false} assume 0bv32 == ~cond; {975#false} is VALID [2018-11-23 10:40:13,866 INFO L273 TraceCheckUtils]: 25: Hoare triple {975#false} ~cond := #in~cond; {975#false} is VALID [2018-11-23 10:40:13,867 INFO L256 TraceCheckUtils]: 24: Hoare triple {975#false} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {975#false} is VALID [2018-11-23 10:40:13,867 INFO L273 TraceCheckUtils]: 23: Hoare triple {975#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {975#false} is VALID [2018-11-23 10:40:13,867 INFO L273 TraceCheckUtils]: 22: Hoare triple {975#false} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {975#false} is VALID [2018-11-23 10:40:13,867 INFO L273 TraceCheckUtils]: 21: Hoare triple {975#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {975#false} is VALID [2018-11-23 10:40:13,868 INFO L273 TraceCheckUtils]: 20: Hoare triple {975#false} ~i~0 := 0bv32; {975#false} is VALID [2018-11-23 10:40:13,868 INFO L273 TraceCheckUtils]: 19: Hoare triple {975#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {975#false} is VALID [2018-11-23 10:40:13,868 INFO L273 TraceCheckUtils]: 18: Hoare triple {975#false} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {975#false} is VALID [2018-11-23 10:40:13,868 INFO L273 TraceCheckUtils]: 17: Hoare triple {975#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {975#false} is VALID [2018-11-23 10:40:13,869 INFO L273 TraceCheckUtils]: 16: Hoare triple {975#false} ~i~0 := 0bv32; {975#false} is VALID [2018-11-23 10:40:13,870 INFO L273 TraceCheckUtils]: 15: Hoare triple {1102#(bvslt main_~i~0 ((_ sign_extend 16) ~SIZE~0))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {975#false} is VALID [2018-11-23 10:40:13,871 INFO L273 TraceCheckUtils]: 14: Hoare triple {1106#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1102#(bvslt main_~i~0 ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:40:13,872 INFO L273 TraceCheckUtils]: 13: Hoare triple {1106#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {1106#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:40:13,873 INFO L273 TraceCheckUtils]: 12: Hoare triple {1113#(bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0))} ~i~0 := 0bv32; {1106#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:40:13,874 INFO L273 TraceCheckUtils]: 11: Hoare triple {1117#(or (bvslt main_~i~0 ((_ sign_extend 16) ~SIZE~0)) (bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {1113#(bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:40:13,874 INFO L273 TraceCheckUtils]: 10: Hoare triple {1121#(or (bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0)) (bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1117#(or (bvslt main_~i~0 ((_ sign_extend 16) ~SIZE~0)) (bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0)))} is VALID [2018-11-23 10:40:13,875 INFO L273 TraceCheckUtils]: 9: Hoare triple {1121#(or (bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0)) (bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {1121#(or (bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0)) (bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0)))} is VALID [2018-11-23 10:40:13,898 INFO L273 TraceCheckUtils]: 8: Hoare triple {1128#(or (bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0)) (bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1121#(or (bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0)) (bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0)))} is VALID [2018-11-23 10:40:13,899 INFO L273 TraceCheckUtils]: 7: Hoare triple {1128#(or (bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0)) (bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {1128#(or (bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0)) (bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0)))} is VALID [2018-11-23 10:40:13,899 INFO L273 TraceCheckUtils]: 6: Hoare triple {974#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1128#(or (bvslt (_ bv1 32) ((_ sign_extend 16) ~SIZE~0)) (bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0)))} is VALID [2018-11-23 10:40:13,900 INFO L273 TraceCheckUtils]: 5: Hoare triple {974#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {974#true} is VALID [2018-11-23 10:40:13,900 INFO L256 TraceCheckUtils]: 4: Hoare triple {974#true} call #t~ret10 := main(); {974#true} is VALID [2018-11-23 10:40:13,900 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {974#true} {974#true} #83#return; {974#true} is VALID [2018-11-23 10:40:13,900 INFO L273 TraceCheckUtils]: 2: Hoare triple {974#true} assume true; {974#true} is VALID [2018-11-23 10:40:13,901 INFO L273 TraceCheckUtils]: 1: Hoare triple {974#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {974#true} is VALID [2018-11-23 10:40:13,901 INFO L256 TraceCheckUtils]: 0: Hoare triple {974#true} call ULTIMATE.init(); {974#true} is VALID [2018-11-23 10:40:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 10:40:13,912 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:40:13,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-23 10:40:13,913 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2018-11-23 10:40:13,914 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:40:13,914 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-23 10:40:14,020 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:14,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 10:40:14,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 10:40:14,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-11-23 10:40:14,021 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 14 states. [2018-11-23 10:40:15,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:15,852 INFO L93 Difference]: Finished difference Result 85 states and 102 transitions. [2018-11-23 10:40:15,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 10:40:15,853 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 28 [2018-11-23 10:40:15,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:40:15,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 10:40:15,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 100 transitions. [2018-11-23 10:40:15,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 10:40:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 100 transitions. [2018-11-23 10:40:15,860 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 100 transitions. [2018-11-23 10:40:16,220 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:16,227 INFO L225 Difference]: With dead ends: 85 [2018-11-23 10:40:16,227 INFO L226 Difference]: Without dead ends: 70 [2018-11-23 10:40:16,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-23 10:40:16,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-23 10:40:16,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 59. [2018-11-23 10:40:16,367 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:40:16,367 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 59 states. [2018-11-23 10:40:16,367 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 59 states. [2018-11-23 10:40:16,367 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 59 states. [2018-11-23 10:40:16,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:16,370 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2018-11-23 10:40:16,370 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2018-11-23 10:40:16,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:40:16,372 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:40:16,372 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 70 states. [2018-11-23 10:40:16,372 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 70 states. [2018-11-23 10:40:16,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:40:16,375 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2018-11-23 10:40:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2018-11-23 10:40:16,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:40:16,377 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:40:16,377 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:40:16,377 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:40:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-23 10:40:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 65 transitions. [2018-11-23 10:40:16,380 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 65 transitions. Word has length 28 [2018-11-23 10:40:16,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:40:16,380 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 65 transitions. [2018-11-23 10:40:16,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 10:40:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2018-11-23 10:40:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 10:40:16,382 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:40:16,382 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:40:16,382 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:40:16,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:40:16,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1350591603, now seen corresponding path program 2 times [2018-11-23 10:40:16,384 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:40:16,384 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:40:16,413 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 10:40:16,516 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 10:40:16,516 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 10:40:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:40:17,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:40:17,833 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-11-23 10:40:17,879 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-11-23 10:40:17,913 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 10:40:17,926 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 10:40:17,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 10:40:17,930 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:39, output treesize:23 [2018-11-23 10:40:18,110 INFO L256 TraceCheckUtils]: 0: Hoare triple {1515#true} call ULTIMATE.init(); {1515#true} is VALID [2018-11-23 10:40:18,111 INFO L273 TraceCheckUtils]: 1: Hoare triple {1515#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {1515#true} is VALID [2018-11-23 10:40:18,111 INFO L273 TraceCheckUtils]: 2: Hoare triple {1515#true} assume true; {1515#true} is VALID [2018-11-23 10:40:18,111 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1515#true} {1515#true} #83#return; {1515#true} is VALID [2018-11-23 10:40:18,112 INFO L256 TraceCheckUtils]: 4: Hoare triple {1515#true} call #t~ret10 := main(); {1515#true} is VALID [2018-11-23 10:40:18,112 INFO L273 TraceCheckUtils]: 5: Hoare triple {1515#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {1515#true} is VALID [2018-11-23 10:40:18,113 INFO L273 TraceCheckUtils]: 6: Hoare triple {1515#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1538#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 ((_ sign_extend 32) (_ bv0 32))))} is VALID [2018-11-23 10:40:18,113 INFO L273 TraceCheckUtils]: 7: Hoare triple {1538#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 ((_ sign_extend 32) (_ bv0 32))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {1542#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-23 10:40:18,114 INFO L273 TraceCheckUtils]: 8: Hoare triple {1542#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1546#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32)))))) ((_ sign_extend 32) (_ bv0 32)))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:40:18,161 INFO L273 TraceCheckUtils]: 9: Hoare triple {1546#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32)))))) ((_ sign_extend 32) (_ bv0 32)))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} is VALID [2018-11-23 10:40:18,163 INFO L273 TraceCheckUtils]: 10: Hoare triple {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} is VALID [2018-11-23 10:40:18,163 INFO L273 TraceCheckUtils]: 11: Hoare triple {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} is VALID [2018-11-23 10:40:18,165 INFO L273 TraceCheckUtils]: 12: Hoare triple {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} ~i~0 := 0bv32; {1560#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-23 10:40:18,211 INFO L273 TraceCheckUtils]: 13: Hoare triple {1560#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {1564#(and (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-23 10:40:18,212 INFO L273 TraceCheckUtils]: 14: Hoare triple {1564#(and (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1568#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:40:18,213 INFO L273 TraceCheckUtils]: 15: Hoare triple {1568#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {1572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:40:18,214 INFO L273 TraceCheckUtils]: 16: Hoare triple {1572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:40:18,215 INFO L273 TraceCheckUtils]: 17: Hoare triple {1572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {1572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:40:18,216 INFO L273 TraceCheckUtils]: 18: Hoare triple {1572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} ~i~0 := 0bv32; {1538#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 ((_ sign_extend 32) (_ bv0 32))))} is VALID [2018-11-23 10:40:18,218 INFO L273 TraceCheckUtils]: 19: Hoare triple {1538#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 ((_ sign_extend 32) (_ bv0 32))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {1542#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-23 10:40:18,219 INFO L273 TraceCheckUtils]: 20: Hoare triple {1542#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {1546#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32)))))) ((_ sign_extend 32) (_ bv0 32)))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:40:18,292 INFO L273 TraceCheckUtils]: 21: Hoare triple {1546#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32)))))) ((_ sign_extend 32) (_ bv0 32)))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} is VALID [2018-11-23 10:40:18,293 INFO L273 TraceCheckUtils]: 22: Hoare triple {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} is VALID [2018-11-23 10:40:18,294 INFO L273 TraceCheckUtils]: 23: Hoare triple {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} is VALID [2018-11-23 10:40:18,295 INFO L273 TraceCheckUtils]: 24: Hoare triple {1550#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)))} ~i~0 := 0bv32; {1560#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-23 10:40:18,338 INFO L273 TraceCheckUtils]: 25: Hoare triple {1560#(and (= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {1564#(and (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-23 10:40:18,340 INFO L273 TraceCheckUtils]: 26: Hoare triple {1564#(and (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {1568#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:40:18,341 INFO L273 TraceCheckUtils]: 27: Hoare triple {1568#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {1609#(exists ((v_arrayElimCell_2 (_ BitVec 32)) (v_arrayElimCell_3 (_ BitVec 32))) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2)))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3)))) ((_ sign_extend 32) (_ bv0 32)))))} is VALID [2018-11-23 10:40:18,342 INFO L273 TraceCheckUtils]: 28: Hoare triple {1609#(exists ((v_arrayElimCell_2 (_ BitVec 32)) (v_arrayElimCell_3 (_ BitVec 32))) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2)))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3)))) ((_ sign_extend 32) (_ bv0 32)))))} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {1609#(exists ((v_arrayElimCell_2 (_ BitVec 32)) (v_arrayElimCell_3 (_ BitVec 32))) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2)))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3)))) ((_ sign_extend 32) (_ bv0 32)))))} is VALID [2018-11-23 10:40:18,343 INFO L273 TraceCheckUtils]: 29: Hoare triple {1609#(exists ((v_arrayElimCell_2 (_ BitVec 32)) (v_arrayElimCell_3 (_ BitVec 32))) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2)))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3)))) ((_ sign_extend 32) (_ bv0 32)))))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {1609#(exists ((v_arrayElimCell_2 (_ BitVec 32)) (v_arrayElimCell_3 (_ BitVec 32))) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2)))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3)))) ((_ sign_extend 32) (_ bv0 32)))))} is VALID [2018-11-23 10:40:18,345 INFO L256 TraceCheckUtils]: 30: Hoare triple {1609#(exists ((v_arrayElimCell_2 (_ BitVec 32)) (v_arrayElimCell_3 (_ BitVec 32))) (= main_~sum~0 (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2)))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_2))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_3)))) ((_ sign_extend 32) (_ bv0 32)))))} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {1619#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:40:18,346 INFO L273 TraceCheckUtils]: 31: Hoare triple {1619#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {1623#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:40:18,347 INFO L273 TraceCheckUtils]: 32: Hoare triple {1623#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {1516#false} is VALID [2018-11-23 10:40:18,347 INFO L273 TraceCheckUtils]: 33: Hoare triple {1516#false} assume !false; {1516#false} is VALID [2018-11-23 10:40:18,357 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:40:18,358 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:40:21,433 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 42 [2018-11-23 10:40:21,462 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 10:40:21,475 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 10:40:21,587 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 95 [2018-11-23 10:40:21,770 INFO L267 ElimStorePlain]: Start of recursive call 3: 33 dim-0 vars, End of recursive call: 33 dim-0 vars, and 16 xjuncts. [2018-11-23 10:40:22,430 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 25 dim-0 vars, and 10 xjuncts. [2018-11-23 10:40:23,100 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 25 dim-0 vars, and 10 xjuncts. [2018-11-23 10:40:23,101 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:408 [2018-11-23 10:40:25,911 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-23 10:40:25,912 WARN L384 uantifierElimination]: Input elimination task: ∀ [|#memory_int|, |main_~#a~0.base|]. (= (let ((.cse1 (bvmul (_ bv2 32) main_~i~0)) (.cse0 (select |#memory_int| |main_~#a~0.base|))) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select .cse0 |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select .cse0 (bvadd |main_~#a~0.offset| .cse1))))) main_~sum~0 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select .cse0 (bvadd |main_~#a~0.offset| .cse1 (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select .cse0 (bvadd |main_~#a~0.offset| (_ bv2 32))))))))) ((_ sign_extend 32) (_ bv0 32))) [2018-11-23 10:40:25,912 WARN L385 uantifierElimination]: ElimStorePlain result: ∀ [v_prenex_9, v_prenex_11, v_prenex_12, v_prenex_10, v_prenex_28, v_prenex_29, v_prenex_27, v_prenex_15, v_arrayElimCell_8, v_prenex_3, v_prenex_4, v_prenex_25, v_prenex_26, v_prenex_16, v_prenex_17, v_prenex_13, v_prenex_14, v_prenex_6, v_prenex_7, v_prenex_8, v_prenex_1, v_prenex_2, v_arrayElimCell_6, v_prenex_20, v_prenex_19]. (let ((.cse17 (bvmul (_ bv2 32) main_~i~0))) (let ((.cse14 (bvadd |main_~#a~0.offset| (_ bv2 32))) (.cse15 (bvadd |main_~#a~0.offset| .cse17 (_ bv2 32))) (.cse16 (bvadd |main_~#a~0.offset| .cse17))) (let ((.cse6 (= |main_~#a~0.offset| .cse16)) (.cse4 (= |main_~#a~0.offset| .cse15)) (.cse0 (= .cse16 .cse14)) (.cse1 (= .cse14 .cse15)) (.cse3 ((_ sign_extend 32) (_ bv0 32)))) (and (or .cse0 .cse1 (= (let ((.cse2 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_29))))) (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_28))) .cse2 main_~sum~0 (bvneg .cse2) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_27)))))) .cse3) .cse4) (or .cse0 .cse1 (= (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_9)))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_11))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_12))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_10))))) .cse3) .cse4) (= (let ((.cse5 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_15))))) (bvadd (bvmul (_ bv2 64) .cse5) main_~sum~0 (bvmul (_ bv2 64) (bvneg .cse5)))) .cse3) (or .cse6 (= (let ((.cse7 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_3))))) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_8)))) .cse7 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_4))) main_~sum~0 (bvneg .cse7))) .cse3) .cse0 .cse4) (or .cse6 (= (let ((.cse8 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_26))))) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_25)))) (bvmul (_ bv2 64) .cse8) main_~sum~0 (bvneg .cse8))) .cse3) .cse4) (or (= .cse3 (let ((.cse9 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_17))))) (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_16))) .cse9 main_~sum~0 (bvmul (_ bv2 64) (bvneg .cse9))))) .cse1 .cse4) (or .cse6 .cse0 (= (let ((.cse10 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_13))))) (bvadd .cse10 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_14))) main_~sum~0 (bvmul (_ bv2 64) (bvneg .cse10)))) .cse3)) (or (= (let ((.cse11 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_8))))) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_6)))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_7))) .cse11 main_~sum~0 (bvneg .cse11))) .cse3) .cse1 .cse4) (or (= (let ((.cse12 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_1))))) (bvadd .cse12 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_2))) main_~sum~0 (bvneg .cse12) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_6)))))) .cse3) .cse0 .cse1) (or .cse0 .cse1 (= (let ((.cse13 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_20))))) (bvadd (bvmul (_ bv2 64) .cse13) main_~sum~0 (bvneg .cse13) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_19)))))) .cse3)))))) [2018-11-23 10:40:35,618 WARN L180 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 175 DAG size of output: 19 [2018-11-23 10:40:35,679 INFO L273 TraceCheckUtils]: 33: Hoare triple {1516#false} assume !false; {1516#false} is VALID [2018-11-23 10:40:35,680 INFO L273 TraceCheckUtils]: 32: Hoare triple {1633#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume 0bv32 == ~cond; {1516#false} is VALID [2018-11-23 10:40:35,680 INFO L273 TraceCheckUtils]: 31: Hoare triple {1637#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {1633#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-23 10:40:35,681 INFO L256 TraceCheckUtils]: 30: Hoare triple {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {1637#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-23 10:40:35,686 INFO L273 TraceCheckUtils]: 29: Hoare triple {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:35,687 INFO L273 TraceCheckUtils]: 28: Hoare triple {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:35,688 INFO L273 TraceCheckUtils]: 27: Hoare triple {1651#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:37,697 INFO L273 TraceCheckUtils]: 26: Hoare triple {1655#(= (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))))) ((_ sign_extend 32) (_ bv0 32)))} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {1651#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))))))} is UNKNOWN [2018-11-23 10:40:37,700 INFO L273 TraceCheckUtils]: 25: Hoare triple {1659#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {1655#(= (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))))) ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:37,701 INFO L273 TraceCheckUtils]: 24: Hoare triple {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} ~i~0 := 0bv32; {1659#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))))))} is VALID [2018-11-23 10:40:37,704 INFO L273 TraceCheckUtils]: 23: Hoare triple {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} is VALID [2018-11-23 10:40:37,705 INFO L273 TraceCheckUtils]: 22: Hoare triple {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} is VALID [2018-11-23 10:40:37,751 INFO L273 TraceCheckUtils]: 21: Hoare triple {1673#(= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))) ((_ sign_extend 32) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} is VALID [2018-11-23 10:40:39,771 INFO L273 TraceCheckUtils]: 20: Hoare triple {1677#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {1673#(= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))) ((_ sign_extend 32) (_ bv0 32)))} is UNKNOWN [2018-11-23 10:40:39,902 INFO L273 TraceCheckUtils]: 19: Hoare triple {1681#(= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))) ((_ sign_extend 32) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {1677#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} is VALID [2018-11-23 10:40:39,904 INFO L273 TraceCheckUtils]: 18: Hoare triple {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} ~i~0 := 0bv32; {1681#(= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))) ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:39,910 INFO L273 TraceCheckUtils]: 17: Hoare triple {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:39,912 INFO L273 TraceCheckUtils]: 16: Hoare triple {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:39,912 INFO L273 TraceCheckUtils]: 15: Hoare triple {1651#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {1641#(= main_~sum~0 ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:41,921 INFO L273 TraceCheckUtils]: 14: Hoare triple {1655#(= (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))))) ((_ sign_extend 32) (_ bv0 32)))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {1651#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))))))} is UNKNOWN [2018-11-23 10:40:41,922 INFO L273 TraceCheckUtils]: 13: Hoare triple {1659#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {1655#(= (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))))) ((_ sign_extend 32) (_ bv0 32)))} is VALID [2018-11-23 10:40:41,996 INFO L273 TraceCheckUtils]: 12: Hoare triple {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} ~i~0 := 0bv32; {1659#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))))))} is VALID [2018-11-23 10:40:41,997 INFO L273 TraceCheckUtils]: 11: Hoare triple {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} is VALID [2018-11-23 10:40:41,997 INFO L273 TraceCheckUtils]: 10: Hoare triple {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} is VALID [2018-11-23 10:40:42,039 INFO L273 TraceCheckUtils]: 9: Hoare triple {1673#(= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))) ((_ sign_extend 32) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {1663#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} is VALID [2018-11-23 10:40:44,047 INFO L273 TraceCheckUtils]: 8: Hoare triple {1677#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1673#(= (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))) ((_ sign_extend 32) (_ bv0 32)))} is UNKNOWN [2018-11-23 10:40:44,048 INFO L273 TraceCheckUtils]: 7: Hoare triple {1718#(and (= (_ bv0 32) (bvmul (_ bv2 32) main_~i~0)) (forall ((v_prenex_15 (_ BitVec 32))) (= (bvadd main_~sum~0 (bvmul (_ bv2 64) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_15)))) (bvmul (_ bv2 64) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_15)))))) ((_ sign_extend 32) (_ bv0 32)))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {1677#(= ((_ sign_extend 32) (_ bv0 32)) (bvadd (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0 ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))))))} is VALID [2018-11-23 10:40:44,049 INFO L273 TraceCheckUtils]: 6: Hoare triple {1515#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {1718#(and (= (_ bv0 32) (bvmul (_ bv2 32) main_~i~0)) (forall ((v_prenex_15 (_ BitVec 32))) (= (bvadd main_~sum~0 (bvmul (_ bv2 64) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_15)))) (bvmul (_ bv2 64) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_prenex_15)))))) ((_ sign_extend 32) (_ bv0 32)))))} is VALID [2018-11-23 10:40:44,049 INFO L273 TraceCheckUtils]: 5: Hoare triple {1515#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {1515#true} is VALID [2018-11-23 10:40:44,050 INFO L256 TraceCheckUtils]: 4: Hoare triple {1515#true} call #t~ret10 := main(); {1515#true} is VALID [2018-11-23 10:40:44,050 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1515#true} {1515#true} #83#return; {1515#true} is VALID [2018-11-23 10:40:44,050 INFO L273 TraceCheckUtils]: 2: Hoare triple {1515#true} assume true; {1515#true} is VALID [2018-11-23 10:40:44,050 INFO L273 TraceCheckUtils]: 1: Hoare triple {1515#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {1515#true} is VALID [2018-11-23 10:40:44,050 INFO L256 TraceCheckUtils]: 0: Hoare triple {1515#true} call ULTIMATE.init(); {1515#true} is VALID [2018-11-23 10:40:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:40:44,065 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:40:44,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2018-11-23 10:40:44,066 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 34 [2018-11-23 10:40:44,066 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:40:44,066 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states. [2018-11-23 10:40:55,317 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 56 inductive. 0 not inductive. 5 times theorem prover too weak to decide inductivity. [2018-11-23 10:40:55,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-23 10:40:55,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-23 10:40:55,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=483, Unknown=1, NotChecked=0, Total=552 [2018-11-23 10:40:55,318 INFO L87 Difference]: Start difference. First operand 59 states and 65 transitions. Second operand 24 states. [2018-11-23 10:41:00,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:41:00,239 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2018-11-23 10:41:00,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 10:41:00,239 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 34 [2018-11-23 10:41:00,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:41:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-23 10:41:00,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 54 transitions. [2018-11-23 10:41:00,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-23 10:41:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 54 transitions. [2018-11-23 10:41:00,243 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 54 transitions. [2018-11-23 10:41:00,678 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:41:00,680 INFO L225 Difference]: With dead ends: 76 [2018-11-23 10:41:00,680 INFO L226 Difference]: Without dead ends: 53 [2018-11-23 10:41:00,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=74, Invalid=525, Unknown=1, NotChecked=0, Total=600 [2018-11-23 10:41:00,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-23 10:41:00,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-11-23 10:41:00,725 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:41:00,725 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2018-11-23 10:41:00,725 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2018-11-23 10:41:00,725 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2018-11-23 10:41:00,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:41:00,728 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-11-23 10:41:00,729 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-11-23 10:41:00,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:41:00,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:41:00,729 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2018-11-23 10:41:00,729 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2018-11-23 10:41:00,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:41:00,732 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-11-23 10:41:00,732 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-11-23 10:41:00,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:41:00,732 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:41:00,732 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:41:00,733 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:41:00,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-23 10:41:00,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2018-11-23 10:41:00,735 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 34 [2018-11-23 10:41:00,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:41:00,735 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2018-11-23 10:41:00,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-23 10:41:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2018-11-23 10:41:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 10:41:00,736 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:41:00,736 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:41:00,736 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:41:00,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:41:00,737 INFO L82 PathProgramCache]: Analyzing trace with hash -763265589, now seen corresponding path program 3 times [2018-11-23 10:41:00,737 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:41:00,737 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:41:00,756 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-23 10:41:00,966 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-23 10:41:00,966 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 10:41:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 10:41:00,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:41:01,144 INFO L256 TraceCheckUtils]: 0: Hoare triple {2044#true} call ULTIMATE.init(); {2044#true} is VALID [2018-11-23 10:41:01,144 INFO L273 TraceCheckUtils]: 1: Hoare triple {2044#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {2044#true} is VALID [2018-11-23 10:41:01,145 INFO L273 TraceCheckUtils]: 2: Hoare triple {2044#true} assume true; {2044#true} is VALID [2018-11-23 10:41:01,145 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2044#true} {2044#true} #83#return; {2044#true} is VALID [2018-11-23 10:41:01,145 INFO L256 TraceCheckUtils]: 4: Hoare triple {2044#true} call #t~ret10 := main(); {2044#true} is VALID [2018-11-23 10:41:01,145 INFO L273 TraceCheckUtils]: 5: Hoare triple {2044#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {2044#true} is VALID [2018-11-23 10:41:01,149 INFO L273 TraceCheckUtils]: 6: Hoare triple {2044#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {2067#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} is VALID [2018-11-23 10:41:01,150 INFO L273 TraceCheckUtils]: 7: Hoare triple {2067#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {2067#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} is VALID [2018-11-23 10:41:01,150 INFO L273 TraceCheckUtils]: 8: Hoare triple {2067#(and (= main_~i~0 (_ bv0 32)) (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2074#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:01,151 INFO L273 TraceCheckUtils]: 9: Hoare triple {2074#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {2074#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:01,152 INFO L273 TraceCheckUtils]: 10: Hoare triple {2074#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2081#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (_ bv2 32) main_~i~0))} is VALID [2018-11-23 10:41:01,152 INFO L273 TraceCheckUtils]: 11: Hoare triple {2081#(and (bvsgt ((_ sign_extend 16) ~SIZE~0) (_ bv1 32)) (= (_ bv2 32) main_~i~0))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,153 INFO L273 TraceCheckUtils]: 12: Hoare triple {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,153 INFO L273 TraceCheckUtils]: 13: Hoare triple {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,153 INFO L273 TraceCheckUtils]: 14: Hoare triple {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} ~i~0 := 0bv32; {2095#(and (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-23 10:41:01,154 INFO L273 TraceCheckUtils]: 15: Hoare triple {2095#(and (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (= main_~i~0 (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {2095#(and (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-23 10:41:01,155 INFO L273 TraceCheckUtils]: 16: Hoare triple {2095#(and (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (= main_~i~0 (_ bv0 32)))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2102#(and (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:01,156 INFO L273 TraceCheckUtils]: 17: Hoare triple {2102#(and (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {2102#(and (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:01,157 INFO L273 TraceCheckUtils]: 18: Hoare triple {2102#(and (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2109#(and (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (= (_ bv2 32) main_~i~0))} is VALID [2018-11-23 10:41:01,158 INFO L273 TraceCheckUtils]: 19: Hoare triple {2109#(and (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (= (_ bv2 32) main_~i~0))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2045#false} is VALID [2018-11-23 10:41:01,158 INFO L273 TraceCheckUtils]: 20: Hoare triple {2045#false} ~i~0 := 0bv32; {2045#false} is VALID [2018-11-23 10:41:01,159 INFO L273 TraceCheckUtils]: 21: Hoare triple {2045#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {2045#false} is VALID [2018-11-23 10:41:01,159 INFO L273 TraceCheckUtils]: 22: Hoare triple {2045#false} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {2045#false} is VALID [2018-11-23 10:41:01,159 INFO L273 TraceCheckUtils]: 23: Hoare triple {2045#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {2045#false} is VALID [2018-11-23 10:41:01,160 INFO L273 TraceCheckUtils]: 24: Hoare triple {2045#false} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {2045#false} is VALID [2018-11-23 10:41:01,160 INFO L273 TraceCheckUtils]: 25: Hoare triple {2045#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2045#false} is VALID [2018-11-23 10:41:01,160 INFO L273 TraceCheckUtils]: 26: Hoare triple {2045#false} ~i~0 := 0bv32; {2045#false} is VALID [2018-11-23 10:41:01,160 INFO L273 TraceCheckUtils]: 27: Hoare triple {2045#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {2045#false} is VALID [2018-11-23 10:41:01,161 INFO L273 TraceCheckUtils]: 28: Hoare triple {2045#false} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {2045#false} is VALID [2018-11-23 10:41:01,161 INFO L273 TraceCheckUtils]: 29: Hoare triple {2045#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {2045#false} is VALID [2018-11-23 10:41:01,161 INFO L273 TraceCheckUtils]: 30: Hoare triple {2045#false} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {2045#false} is VALID [2018-11-23 10:41:01,161 INFO L273 TraceCheckUtils]: 31: Hoare triple {2045#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2045#false} is VALID [2018-11-23 10:41:01,162 INFO L256 TraceCheckUtils]: 32: Hoare triple {2045#false} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {2045#false} is VALID [2018-11-23 10:41:01,162 INFO L273 TraceCheckUtils]: 33: Hoare triple {2045#false} ~cond := #in~cond; {2045#false} is VALID [2018-11-23 10:41:01,163 INFO L273 TraceCheckUtils]: 34: Hoare triple {2045#false} assume 0bv32 == ~cond; {2045#false} is VALID [2018-11-23 10:41:01,163 INFO L273 TraceCheckUtils]: 35: Hoare triple {2045#false} assume !false; {2045#false} is VALID [2018-11-23 10:41:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 10:41:01,165 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:41:01,464 INFO L273 TraceCheckUtils]: 35: Hoare triple {2045#false} assume !false; {2045#false} is VALID [2018-11-23 10:41:01,464 INFO L273 TraceCheckUtils]: 34: Hoare triple {2045#false} assume 0bv32 == ~cond; {2045#false} is VALID [2018-11-23 10:41:01,464 INFO L273 TraceCheckUtils]: 33: Hoare triple {2045#false} ~cond := #in~cond; {2045#false} is VALID [2018-11-23 10:41:01,464 INFO L256 TraceCheckUtils]: 32: Hoare triple {2045#false} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {2045#false} is VALID [2018-11-23 10:41:01,465 INFO L273 TraceCheckUtils]: 31: Hoare triple {2045#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2045#false} is VALID [2018-11-23 10:41:01,465 INFO L273 TraceCheckUtils]: 30: Hoare triple {2045#false} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {2045#false} is VALID [2018-11-23 10:41:01,465 INFO L273 TraceCheckUtils]: 29: Hoare triple {2045#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {2045#false} is VALID [2018-11-23 10:41:01,465 INFO L273 TraceCheckUtils]: 28: Hoare triple {2045#false} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {2045#false} is VALID [2018-11-23 10:41:01,466 INFO L273 TraceCheckUtils]: 27: Hoare triple {2045#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {2045#false} is VALID [2018-11-23 10:41:01,466 INFO L273 TraceCheckUtils]: 26: Hoare triple {2045#false} ~i~0 := 0bv32; {2045#false} is VALID [2018-11-23 10:41:01,466 INFO L273 TraceCheckUtils]: 25: Hoare triple {2045#false} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2045#false} is VALID [2018-11-23 10:41:01,466 INFO L273 TraceCheckUtils]: 24: Hoare triple {2045#false} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {2045#false} is VALID [2018-11-23 10:41:01,466 INFO L273 TraceCheckUtils]: 23: Hoare triple {2045#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {2045#false} is VALID [2018-11-23 10:41:01,466 INFO L273 TraceCheckUtils]: 22: Hoare triple {2045#false} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {2045#false} is VALID [2018-11-23 10:41:01,467 INFO L273 TraceCheckUtils]: 21: Hoare triple {2045#false} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {2045#false} is VALID [2018-11-23 10:41:01,467 INFO L273 TraceCheckUtils]: 20: Hoare triple {2045#false} ~i~0 := 0bv32; {2045#false} is VALID [2018-11-23 10:41:01,467 INFO L273 TraceCheckUtils]: 19: Hoare triple {2209#(bvslt main_~i~0 ((_ sign_extend 16) ~SIZE~0))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2045#false} is VALID [2018-11-23 10:41:01,468 INFO L273 TraceCheckUtils]: 18: Hoare triple {2213#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2209#(bvslt main_~i~0 ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,469 INFO L273 TraceCheckUtils]: 17: Hoare triple {2213#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {2213#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,486 INFO L273 TraceCheckUtils]: 16: Hoare triple {2220#(bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2213#(bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,486 INFO L273 TraceCheckUtils]: 15: Hoare triple {2220#(bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {2220#(bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,487 INFO L273 TraceCheckUtils]: 14: Hoare triple {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} ~i~0 := 0bv32; {2220#(bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,487 INFO L273 TraceCheckUtils]: 13: Hoare triple {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,488 INFO L273 TraceCheckUtils]: 12: Hoare triple {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,488 INFO L273 TraceCheckUtils]: 11: Hoare triple {2236#(or (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (not (bvslt main_~i~0 ((_ sign_extend 16) ~SIZE~0))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {2085#(bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0))} is VALID [2018-11-23 10:41:01,490 INFO L273 TraceCheckUtils]: 10: Hoare triple {2240#(or (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (not (bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2236#(or (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (not (bvslt main_~i~0 ((_ sign_extend 16) ~SIZE~0))))} is VALID [2018-11-23 10:41:01,490 INFO L273 TraceCheckUtils]: 9: Hoare triple {2240#(or (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (not (bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {2240#(or (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (not (bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))))} is VALID [2018-11-23 10:41:01,507 INFO L273 TraceCheckUtils]: 8: Hoare triple {2247#(or (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (not (bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0))))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2240#(or (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (not (bvslt (bvadd main_~i~0 (_ bv1 32)) ((_ sign_extend 16) ~SIZE~0))))} is VALID [2018-11-23 10:41:01,507 INFO L273 TraceCheckUtils]: 7: Hoare triple {2247#(or (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (not (bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {2247#(or (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (not (bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0))))} is VALID [2018-11-23 10:41:01,508 INFO L273 TraceCheckUtils]: 6: Hoare triple {2044#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {2247#(or (bvslt (_ bv2 32) ((_ sign_extend 16) ~SIZE~0)) (not (bvslt (bvadd main_~i~0 (_ bv2 32)) ((_ sign_extend 16) ~SIZE~0))))} is VALID [2018-11-23 10:41:01,508 INFO L273 TraceCheckUtils]: 5: Hoare triple {2044#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {2044#true} is VALID [2018-11-23 10:41:01,509 INFO L256 TraceCheckUtils]: 4: Hoare triple {2044#true} call #t~ret10 := main(); {2044#true} is VALID [2018-11-23 10:41:01,509 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2044#true} {2044#true} #83#return; {2044#true} is VALID [2018-11-23 10:41:01,509 INFO L273 TraceCheckUtils]: 2: Hoare triple {2044#true} assume true; {2044#true} is VALID [2018-11-23 10:41:01,509 INFO L273 TraceCheckUtils]: 1: Hoare triple {2044#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {2044#true} is VALID [2018-11-23 10:41:01,509 INFO L256 TraceCheckUtils]: 0: Hoare triple {2044#true} call ULTIMATE.init(); {2044#true} is VALID [2018-11-23 10:41:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 10:41:01,512 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 10:41:01,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-11-23 10:41:01,513 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 36 [2018-11-23 10:41:01,513 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 10:41:01,514 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2018-11-23 10:41:01,630 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:41:01,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 10:41:01,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 10:41:01,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2018-11-23 10:41:01,631 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand 15 states. [2018-11-23 10:41:02,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:41:02,757 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2018-11-23 10:41:02,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 10:41:02,758 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 36 [2018-11-23 10:41:02,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 10:41:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-23 10:41:02,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 65 transitions. [2018-11-23 10:41:02,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-23 10:41:02,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 65 transitions. [2018-11-23 10:41:02,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 65 transitions. [2018-11-23 10:41:02,949 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 10:41:02,951 INFO L225 Difference]: With dead ends: 64 [2018-11-23 10:41:02,951 INFO L226 Difference]: Without dead ends: 47 [2018-11-23 10:41:02,952 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2018-11-23 10:41:02,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-23 10:41:02,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 43. [2018-11-23 10:41:02,983 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 10:41:02,983 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 43 states. [2018-11-23 10:41:02,983 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 43 states. [2018-11-23 10:41:02,983 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 43 states. [2018-11-23 10:41:02,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:41:02,986 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2018-11-23 10:41:02,986 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-11-23 10:41:02,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:41:02,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:41:02,987 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 47 states. [2018-11-23 10:41:02,987 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 47 states. [2018-11-23 10:41:02,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 10:41:02,989 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2018-11-23 10:41:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-11-23 10:41:02,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 10:41:02,989 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 10:41:02,989 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 10:41:02,990 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 10:41:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-23 10:41:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-11-23 10:41:02,991 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 36 [2018-11-23 10:41:02,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 10:41:02,992 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-11-23 10:41:02,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 10:41:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-11-23 10:41:02,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 10:41:02,993 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 10:41:02,993 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 10:41:02,993 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 10:41:02,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 10:41:02,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1485859323, now seen corresponding path program 4 times [2018-11-23 10:41:02,994 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 10:41:02,994 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 10:41:03,018 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 10:41:03,129 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 10:41:03,129 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 10:41:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-23 10:41:05,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 10:41:06,584 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2018-11-23 10:41:06,698 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2018-11-23 10:41:06,725 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-23 10:41:06,766 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-23 10:41:06,771 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-23 10:41:06,771 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:32 [2018-11-23 10:41:07,061 INFO L256 TraceCheckUtils]: 0: Hoare triple {2529#true} call ULTIMATE.init(); {2529#true} is VALID [2018-11-23 10:41:07,062 INFO L273 TraceCheckUtils]: 1: Hoare triple {2529#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~SIZE~0 := 0bv16; {2529#true} is VALID [2018-11-23 10:41:07,062 INFO L273 TraceCheckUtils]: 2: Hoare triple {2529#true} assume true; {2529#true} is VALID [2018-11-23 10:41:07,062 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2529#true} {2529#true} #83#return; {2529#true} is VALID [2018-11-23 10:41:07,063 INFO L256 TraceCheckUtils]: 4: Hoare triple {2529#true} call #t~ret10 := main(); {2529#true} is VALID [2018-11-23 10:41:07,063 INFO L273 TraceCheckUtils]: 5: Hoare triple {2529#true} ~SIZE~0 := #t~nondet1;havoc #t~nondet1; {2529#true} is VALID [2018-11-23 10:41:07,064 INFO L273 TraceCheckUtils]: 6: Hoare triple {2529#true} assume ~bvsgt32(~sign_extendFrom16To32(~SIZE~0), 1bv32);havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(~bvmul32(2bv32, ~sign_extendFrom16To32(~SIZE~0)));~sum~0 := ~sign_extendFrom32To64(0bv32);~i~0 := 0bv32; {2552#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 ((_ sign_extend 32) (_ bv0 32))))} is VALID [2018-11-23 10:41:07,065 INFO L273 TraceCheckUtils]: 7: Hoare triple {2552#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 ((_ sign_extend 32) (_ bv0 32))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {2556#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-23 10:41:07,065 INFO L273 TraceCheckUtils]: 8: Hoare triple {2556#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2560#(and (= (bvadd ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:07,103 INFO L273 TraceCheckUtils]: 9: Hoare triple {2560#(and (= (bvadd ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {2564#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:07,104 INFO L273 TraceCheckUtils]: 10: Hoare triple {2564#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2568#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~i~0))} is VALID [2018-11-23 10:41:07,697 INFO L273 TraceCheckUtils]: 11: Hoare triple {2568#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~i~0))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem3 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem3)));havoc #t~mem3; {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:41:07,698 INFO L273 TraceCheckUtils]: 12: Hoare triple {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} #t~post2 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:41:07,699 INFO L273 TraceCheckUtils]: 13: Hoare triple {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:41:07,699 INFO L273 TraceCheckUtils]: 14: Hoare triple {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} ~i~0 := 0bv32; {2582#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:41:09,703 INFO L273 TraceCheckUtils]: 15: Hoare triple {2582#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {2586#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is UNKNOWN [2018-11-23 10:41:09,705 INFO L273 TraceCheckUtils]: 16: Hoare triple {2586#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2590#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:10,532 INFO L273 TraceCheckUtils]: 17: Hoare triple {2590#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {2594#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:10,536 INFO L273 TraceCheckUtils]: 18: Hoare triple {2594#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2598#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~i~0))} is VALID [2018-11-23 10:41:10,662 INFO L273 TraceCheckUtils]: 19: Hoare triple {2598#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~i~0))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem5 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem5)));havoc #t~mem5; {2602#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32))))))))))} is VALID [2018-11-23 10:41:10,664 INFO L273 TraceCheckUtils]: 20: Hoare triple {2602#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32))))))))))} #t~post4 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post4);havoc #t~post4; {2602#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32))))))))))} is VALID [2018-11-23 10:41:10,664 INFO L273 TraceCheckUtils]: 21: Hoare triple {2602#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32))))))))))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2602#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32))))))))))} is VALID [2018-11-23 10:41:10,672 INFO L273 TraceCheckUtils]: 22: Hoare triple {2602#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32))))))))))} ~i~0 := 0bv32; {2552#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 ((_ sign_extend 32) (_ bv0 32))))} is VALID [2018-11-23 10:41:10,673 INFO L273 TraceCheckUtils]: 23: Hoare triple {2552#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 ((_ sign_extend 32) (_ bv0 32))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {2556#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} is VALID [2018-11-23 10:41:10,674 INFO L273 TraceCheckUtils]: 24: Hoare triple {2556#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)))) (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)))} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {2560#(and (= (bvadd ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:10,698 INFO L273 TraceCheckUtils]: 25: Hoare triple {2560#(and (= (bvadd ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) main_~sum~0) (= |main_~#a~0.offset| (_ bv0 32)) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {2564#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:10,700 INFO L273 TraceCheckUtils]: 26: Hoare triple {2564#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {2568#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~i~0))} is VALID [2018-11-23 10:41:11,375 INFO L273 TraceCheckUtils]: 27: Hoare triple {2568#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~i~0))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem7 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvadd64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem7)));havoc #t~mem7; {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:41:11,377 INFO L273 TraceCheckUtils]: 28: Hoare triple {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} #t~post6 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post6);havoc #t~post6; {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:41:11,377 INFO L273 TraceCheckUtils]: 29: Hoare triple {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:41:11,378 INFO L273 TraceCheckUtils]: 30: Hoare triple {2572#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} ~i~0 := 0bv32; {2582#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is VALID [2018-11-23 10:41:13,383 INFO L273 TraceCheckUtils]: 31: Hoare triple {2582#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {2586#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} is UNKNOWN [2018-11-23 10:41:13,386 INFO L273 TraceCheckUtils]: 32: Hoare triple {2586#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~i~0 (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))))} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {2590#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:13,933 INFO L273 TraceCheckUtils]: 33: Hoare triple {2590#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {2594#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} is VALID [2018-11-23 10:41:13,937 INFO L273 TraceCheckUtils]: 34: Hoare triple {2594#(and (= |main_~#a~0.offset| (_ bv0 32)) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0))))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= (bvadd main_~i~0 (_ bv4294967295 32)) (_ bv0 32)))} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {2598#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~i~0))} is VALID [2018-11-23 10:41:13,952 INFO L273 TraceCheckUtils]: 35: Hoare triple {2598#(and (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv4 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (_ bv2 32)))))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) (bvadd |main_~#a~0.offset| (bvmul (_ bv2 32) main_~i~0) (_ bv4294967294 32))))))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~i~0))} assume !!~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0));call #t~mem9 := read~intINTTYPE2(~#a~0.base, ~bvadd32(~#a~0.offset, ~bvmul32(2bv32, ~i~0)), 2bv32);~sum~0 := ~bvsub64(~sum~0, ~sign_extendFrom32To64(~sign_extendFrom16To32(#t~mem9)));havoc #t~mem9; {2651#(exists ((v_arrayElimCell_10 (_ BitVec 32)) (v_arrayElimCell_11 (_ BitVec 32)) (v_arrayElimCell_12 (_ BitVec 32))) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10)))))))} is VALID [2018-11-23 10:41:13,953 INFO L273 TraceCheckUtils]: 36: Hoare triple {2651#(exists ((v_arrayElimCell_10 (_ BitVec 32)) (v_arrayElimCell_11 (_ BitVec 32)) (v_arrayElimCell_12 (_ BitVec 32))) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10)))))))} #t~post8 := ~i~0;~i~0 := ~bvadd32(1bv32, #t~post8);havoc #t~post8; {2651#(exists ((v_arrayElimCell_10 (_ BitVec 32)) (v_arrayElimCell_11 (_ BitVec 32)) (v_arrayElimCell_12 (_ BitVec 32))) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10)))))))} is VALID [2018-11-23 10:41:13,953 INFO L273 TraceCheckUtils]: 37: Hoare triple {2651#(exists ((v_arrayElimCell_10 (_ BitVec 32)) (v_arrayElimCell_11 (_ BitVec 32)) (v_arrayElimCell_12 (_ BitVec 32))) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10)))))))} assume !~bvslt32(~i~0, ~sign_extendFrom16To32(~SIZE~0)); {2651#(exists ((v_arrayElimCell_10 (_ BitVec 32)) (v_arrayElimCell_11 (_ BitVec 32)) (v_arrayElimCell_12 (_ BitVec 32))) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10)))))))} is VALID [2018-11-23 10:41:13,955 INFO L256 TraceCheckUtils]: 38: Hoare triple {2651#(exists ((v_arrayElimCell_10 (_ BitVec 32)) (v_arrayElimCell_11 (_ BitVec 32)) (v_arrayElimCell_12 (_ BitVec 32))) (= main_~sum~0 (bvadd ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12))) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11))) ((_ sign_extend 32) (_ bv0 32)) ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_11)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_12)))) (bvneg ((_ sign_extend 32) ((_ sign_extend 16) ((_ extract 15 0) v_arrayElimCell_10)))))))} call __VERIFIER_assert((if ~sum~0 == ~sign_extendFrom32To64(0bv32) then 1bv32 else 0bv32)); {2661#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:41:13,956 INFO L273 TraceCheckUtils]: 39: Hoare triple {2661#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {2665#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 10:41:13,956 INFO L273 TraceCheckUtils]: 40: Hoare triple {2665#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {2530#false} is VALID [2018-11-23 10:41:13,957 INFO L273 TraceCheckUtils]: 41: Hoare triple {2530#false} assume !false; {2530#false} is VALID [2018-11-23 10:41:13,972 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 10:41:13,972 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 10:41:24,595 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 62 [2018-11-23 10:41:24,692 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 10:41:24,711 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 10:41:24,720 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 10:41:24,721 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 10:41:24,752 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 10:41:24,753 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 10:41:24,904 INFO L303 Elim1Store]: Index analysis took 306 ms [2018-11-23 10:41:25,109 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 62 treesize of output 213 [2018-11-23 10:41:25,110 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-11-23 10:41:37,071 INFO L267 ElimStorePlain]: Start of recursive call 3: 1015 dim-0 vars, End of recursive call: 1015 dim-0 vars, and 512 xjuncts.