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/loop-lit/gsv2008_true-unreach-call_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:39:05,624 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:39:05,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:39:05,645 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:39:05,645 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:39:05,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:39:05,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:39:05,649 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:39:05,651 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:39:05,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:39:05,653 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:39:05,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:39:05,654 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:39:05,655 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:39:05,657 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:39:05,657 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:39:05,658 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:39:05,660 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:39:05,662 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:39:05,664 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:39:05,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:39:05,666 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:39:05,669 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:39:05,678 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 11:39:05,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:39:05,693 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:39:05,694 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:39:05,694 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:39:05,695 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:39:05,695 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:39:05,695 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:39:05,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:39:05,696 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:39:05,696 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:39:05,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:39:05,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:39:05,696 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:39:05,697 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:39:05,697 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:39:05,697 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:39:05,697 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:39:05,697 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:39:05,697 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:39:05,698 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:39:05,698 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:39:05,698 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:39:05,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:39:05,698 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:39:05,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:39:05,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:39:05,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:39:05,699 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:39:05,699 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:39:05,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:39:05,700 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:39:05,700 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:39:05,700 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:39:05,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:39:05,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:39:05,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:39:05,770 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:39:05,770 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:39:05,771 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008_true-unreach-call_true-termination.c.i [2018-11-23 11:39:05,840 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d54ba25e/cc29f174ef204660b095f0d4e594f8bc/FLAG8840cbc99 [2018-11-23 11:39:06,349 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:39:06,350 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008_true-unreach-call_true-termination.c.i [2018-11-23 11:39:06,356 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d54ba25e/cc29f174ef204660b095f0d4e594f8bc/FLAG8840cbc99 [2018-11-23 11:39:06,698 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d54ba25e/cc29f174ef204660b095f0d4e594f8bc [2018-11-23 11:39:06,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:39:06,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:39:06,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:39:06,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:39:06,717 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:39:06,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:06" (1/1) ... [2018-11-23 11:39:06,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e27003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:06, skipping insertion in model container [2018-11-23 11:39:06,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:39:06" (1/1) ... [2018-11-23 11:39:06,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:39:06,752 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:39:06,990 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:39:06,997 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:39:07,020 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:39:07,041 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:39:07,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07 WrapperNode [2018-11-23 11:39:07,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:39:07,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:39:07,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:39:07,043 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:39:07,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (1/1) ... [2018-11-23 11:39:07,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (1/1) ... [2018-11-23 11:39:07,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:39:07,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:39:07,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:39:07,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:39:07,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (1/1) ... [2018-11-23 11:39:07,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (1/1) ... [2018-11-23 11:39:07,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (1/1) ... [2018-11-23 11:39:07,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (1/1) ... [2018-11-23 11:39:07,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (1/1) ... [2018-11-23 11:39:07,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (1/1) ... [2018-11-23 11:39:07,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (1/1) ... [2018-11-23 11:39:07,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:39:07,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:39:07,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:39:07,109 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:39:07,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (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 11:39:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:39:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:39:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:39:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:39:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:39:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:39:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:39:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:39:07,722 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:39:07,722 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:39:07,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:07 BoogieIcfgContainer [2018-11-23 11:39:07,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:39:07,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:39:07,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:39:07,727 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:39:07,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:39:06" (1/3) ... [2018-11-23 11:39:07,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ae37f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:39:07, skipping insertion in model container [2018-11-23 11:39:07,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:39:07" (2/3) ... [2018-11-23 11:39:07,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ae37f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:39:07, skipping insertion in model container [2018-11-23 11:39:07,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:39:07" (3/3) ... [2018-11-23 11:39:07,731 INFO L112 eAbstractionObserver]: Analyzing ICFG gsv2008_true-unreach-call_true-termination.c.i [2018-11-23 11:39:07,742 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:39:07,749 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:39:07,766 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:39:07,799 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:39:07,799 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:39:07,800 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:39:07,800 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:39:07,800 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:39:07,800 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:39:07,801 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:39:07,801 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:39:07,801 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:39:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 11:39:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 11:39:07,826 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:07,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:39:07,829 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:07,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:07,836 INFO L82 PathProgramCache]: Analyzing trace with hash 578729635, now seen corresponding path program 1 times [2018-11-23 11:39:07,841 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:39:07,841 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 11:39:07,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:07,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:39:07,999 INFO L256 TraceCheckUtils]: 0: Hoare triple {22#true} call ULTIMATE.init(); {22#true} is VALID [2018-11-23 11:39:08,003 INFO L273 TraceCheckUtils]: 1: Hoare triple {22#true} assume true; {22#true} is VALID [2018-11-23 11:39:08,004 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {22#true} {22#true} #36#return; {22#true} is VALID [2018-11-23 11:39:08,004 INFO L256 TraceCheckUtils]: 3: Hoare triple {22#true} call #t~ret3 := main(); {22#true} is VALID [2018-11-23 11:39:08,005 INFO L273 TraceCheckUtils]: 4: Hoare triple {22#true} havoc ~x~0;havoc ~y~0;~x~0 := 4294967246bv32;~y~0 := #t~nondet1;havoc #t~nondet1; {22#true} is VALID [2018-11-23 11:39:08,005 INFO L273 TraceCheckUtils]: 5: Hoare triple {22#true} assume !!(~bvslt32(4294966296bv32, ~y~0) && ~bvslt32(~y~0, 1000000bv32)); {22#true} is VALID [2018-11-23 11:39:08,006 INFO L273 TraceCheckUtils]: 6: Hoare triple {22#true} assume !true; {23#false} is VALID [2018-11-23 11:39:08,006 INFO L256 TraceCheckUtils]: 7: Hoare triple {23#false} call __VERIFIER_assert((if ~bvsgt32(~y~0, 0bv32) then 1bv32 else 0bv32)); {23#false} is VALID [2018-11-23 11:39:08,007 INFO L273 TraceCheckUtils]: 8: Hoare triple {23#false} ~cond := #in~cond; {23#false} is VALID [2018-11-23 11:39:08,007 INFO L273 TraceCheckUtils]: 9: Hoare triple {23#false} assume 0bv32 == ~cond; {23#false} is VALID [2018-11-23 11:39:08,007 INFO L273 TraceCheckUtils]: 10: Hoare triple {23#false} assume !false; {23#false} is VALID [2018-11-23 11:39:08,010 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 11:39:08,010 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:39:08,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:39:08,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 11:39:08,020 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-23 11:39:08,023 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:39:08,027 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-23 11:39:08,110 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:39:08,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 11:39:08,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 11:39:08,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 11:39:08,121 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-23 11:39:08,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:08,215 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2018-11-23 11:39:08,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 11:39:08,215 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-23 11:39:08,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:39:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 11:39:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 35 transitions. [2018-11-23 11:39:08,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 11:39:08,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 35 transitions. [2018-11-23 11:39:08,233 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 35 transitions. [2018-11-23 11:39:08,540 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:39:08,551 INFO L225 Difference]: With dead ends: 31 [2018-11-23 11:39:08,552 INFO L226 Difference]: Without dead ends: 12 [2018-11-23 11:39:08,555 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 11:39:08,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-11-23 11:39:08,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-11-23 11:39:08,592 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:39:08,593 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand 12 states. [2018-11-23 11:39:08,594 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2018-11-23 11:39:08,594 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2018-11-23 11:39:08,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:08,597 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-11-23 11:39:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-23 11:39:08,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:39:08,598 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:39:08,598 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 12 states. [2018-11-23 11:39:08,598 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 12 states. [2018-11-23 11:39:08,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:08,601 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-11-23 11:39:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-23 11:39:08,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:39:08,602 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:39:08,602 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:39:08,603 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:39:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 11:39:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-11-23 11:39:08,606 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2018-11-23 11:39:08,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:39:08,607 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-11-23 11:39:08,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 11:39:08,607 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-23 11:39:08,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 11:39:08,608 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:08,608 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:39:08,609 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:08,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:08,609 INFO L82 PathProgramCache]: Analyzing trace with hash 575035551, now seen corresponding path program 1 times [2018-11-23 11:39:08,609 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:39:08,609 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 11:39:08,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:08,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:39:08,799 INFO L256 TraceCheckUtils]: 0: Hoare triple {139#true} call ULTIMATE.init(); {139#true} is VALID [2018-11-23 11:39:08,800 INFO L273 TraceCheckUtils]: 1: Hoare triple {139#true} assume true; {139#true} is VALID [2018-11-23 11:39:08,800 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {139#true} {139#true} #36#return; {139#true} is VALID [2018-11-23 11:39:08,801 INFO L256 TraceCheckUtils]: 3: Hoare triple {139#true} call #t~ret3 := main(); {139#true} is VALID [2018-11-23 11:39:08,804 INFO L273 TraceCheckUtils]: 4: Hoare triple {139#true} havoc ~x~0;havoc ~y~0;~x~0 := 4294967246bv32;~y~0 := #t~nondet1;havoc #t~nondet1; {156#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:08,804 INFO L273 TraceCheckUtils]: 5: Hoare triple {156#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} assume !!(~bvslt32(4294966296bv32, ~y~0) && ~bvslt32(~y~0, 1000000bv32)); {156#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:08,805 INFO L273 TraceCheckUtils]: 6: Hoare triple {156#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} assume !~bvslt32(~x~0, 0bv32); {140#false} is VALID [2018-11-23 11:39:08,806 INFO L256 TraceCheckUtils]: 7: Hoare triple {140#false} call __VERIFIER_assert((if ~bvsgt32(~y~0, 0bv32) then 1bv32 else 0bv32)); {140#false} is VALID [2018-11-23 11:39:08,806 INFO L273 TraceCheckUtils]: 8: Hoare triple {140#false} ~cond := #in~cond; {140#false} is VALID [2018-11-23 11:39:08,806 INFO L273 TraceCheckUtils]: 9: Hoare triple {140#false} assume 0bv32 == ~cond; {140#false} is VALID [2018-11-23 11:39:08,807 INFO L273 TraceCheckUtils]: 10: Hoare triple {140#false} assume !false; {140#false} is VALID [2018-11-23 11:39:08,808 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 11:39:08,808 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:39:08,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:39:08,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:39:08,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-23 11:39:08,813 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:39:08,813 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 11:39:08,860 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:39:08,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:39:08,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:39:08,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:39:08,861 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2018-11-23 11:39:08,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:08,937 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-11-23 11:39:08,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:39:08,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-23 11:39:08,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:39:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:39:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2018-11-23 11:39:08,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:39:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2018-11-23 11:39:08,943 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 18 transitions. [2018-11-23 11:39:09,049 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 11:39:09,050 INFO L225 Difference]: With dead ends: 18 [2018-11-23 11:39:09,050 INFO L226 Difference]: Without dead ends: 13 [2018-11-23 11:39:09,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:39:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-11-23 11:39:09,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-11-23 11:39:09,071 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:39:09,071 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand 13 states. [2018-11-23 11:39:09,071 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2018-11-23 11:39:09,071 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2018-11-23 11:39:09,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:09,073 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-11-23 11:39:09,073 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-23 11:39:09,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:39:09,073 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:39:09,074 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand 13 states. [2018-11-23 11:39:09,074 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 13 states. [2018-11-23 11:39:09,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:09,075 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-11-23 11:39:09,075 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-23 11:39:09,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:39:09,076 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:39:09,076 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:39:09,076 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:39:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 11:39:09,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-11-23 11:39:09,078 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-11-23 11:39:09,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:39:09,079 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-11-23 11:39:09,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:39:09,079 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-23 11:39:09,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 11:39:09,080 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:09,080 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:39:09,080 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:09,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:09,081 INFO L82 PathProgramCache]: Analyzing trace with hash 681770644, now seen corresponding path program 1 times [2018-11-23 11:39:09,081 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:39:09,081 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 11:39:09,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:39:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:09,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:39:09,585 INFO L256 TraceCheckUtils]: 0: Hoare triple {249#true} call ULTIMATE.init(); {249#true} is VALID [2018-11-23 11:39:09,586 INFO L273 TraceCheckUtils]: 1: Hoare triple {249#true} assume true; {249#true} is VALID [2018-11-23 11:39:09,586 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {249#true} {249#true} #36#return; {249#true} is VALID [2018-11-23 11:39:09,586 INFO L256 TraceCheckUtils]: 3: Hoare triple {249#true} call #t~ret3 := main(); {249#true} is VALID [2018-11-23 11:39:09,601 INFO L273 TraceCheckUtils]: 4: Hoare triple {249#true} havoc ~x~0;havoc ~y~0;~x~0 := 4294967246bv32;~y~0 := #t~nondet1;havoc #t~nondet1; {266#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:09,617 INFO L273 TraceCheckUtils]: 5: Hoare triple {266#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} assume !!(~bvslt32(4294966296bv32, ~y~0) && ~bvslt32(~y~0, 1000000bv32)); {270#(and (bvslt main_~y~0 (_ bv1000000 32)) (bvslt (_ bv4294966296 32) main_~y~0) (= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32)))} is VALID [2018-11-23 11:39:09,701 INFO L273 TraceCheckUtils]: 6: Hoare triple {270#(and (bvslt main_~y~0 (_ bv1000000 32)) (bvslt (_ bv4294966296 32) main_~y~0) (= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {274#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967295 32))) (= (bvadd main_~x~0 (_ bv51 32)) main_~y~0) (bvslt (bvadd main_~y~0 (_ bv4294967295 32)) (_ bv1000000 32)))} is VALID [2018-11-23 11:39:09,712 INFO L273 TraceCheckUtils]: 7: Hoare triple {274#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967295 32))) (= (bvadd main_~x~0 (_ bv51 32)) main_~y~0) (bvslt (bvadd main_~y~0 (_ bv4294967295 32)) (_ bv1000000 32)))} assume !~bvslt32(~x~0, 0bv32); {278#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967295 32))) (not (bvslt (bvadd main_~y~0 (_ bv4294967245 32)) (_ bv0 32))) (bvslt (bvadd main_~y~0 (_ bv4294967295 32)) (_ bv1000000 32)))} is VALID [2018-11-23 11:39:09,726 INFO L256 TraceCheckUtils]: 8: Hoare triple {278#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967295 32))) (not (bvslt (bvadd main_~y~0 (_ bv4294967245 32)) (_ bv0 32))) (bvslt (bvadd main_~y~0 (_ bv4294967295 32)) (_ bv1000000 32)))} call __VERIFIER_assert((if ~bvsgt32(~y~0, 0bv32) then 1bv32 else 0bv32)); {282#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:09,742 INFO L273 TraceCheckUtils]: 9: Hoare triple {282#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {286#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:09,751 INFO L273 TraceCheckUtils]: 10: Hoare triple {286#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {250#false} is VALID [2018-11-23 11:39:09,752 INFO L273 TraceCheckUtils]: 11: Hoare triple {250#false} assume !false; {250#false} is VALID [2018-11-23 11:39:09,754 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 11:39:09,754 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:39:10,521 INFO L273 TraceCheckUtils]: 11: Hoare triple {250#false} assume !false; {250#false} is VALID [2018-11-23 11:39:10,522 INFO L273 TraceCheckUtils]: 10: Hoare triple {296#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume 0bv32 == ~cond; {250#false} is VALID [2018-11-23 11:39:10,523 INFO L273 TraceCheckUtils]: 9: Hoare triple {300#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {296#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-23 11:39:10,524 INFO L256 TraceCheckUtils]: 8: Hoare triple {304#(bvsgt main_~y~0 (_ bv0 32))} call __VERIFIER_assert((if ~bvsgt32(~y~0, 0bv32) then 1bv32 else 0bv32)); {300#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-23 11:39:10,525 INFO L273 TraceCheckUtils]: 7: Hoare triple {308#(or (bvslt main_~x~0 (_ bv0 32)) (bvsgt main_~y~0 (_ bv0 32)))} assume !~bvslt32(~x~0, 0bv32); {304#(bvsgt main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:39:10,527 INFO L273 TraceCheckUtils]: 6: Hoare triple {312#(or (bvsgt (bvadd main_~y~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {308#(or (bvslt main_~x~0 (_ bv0 32)) (bvsgt main_~y~0 (_ bv0 32)))} is VALID [2018-11-23 11:39:10,538 INFO L273 TraceCheckUtils]: 5: Hoare triple {316#(forall ((main_~y~0 (_ BitVec 32))) (or (not (bvslt main_~y~0 (_ bv1000000 32))) (not (bvslt (_ bv4294966296 32) main_~y~0)) (bvsgt (bvadd main_~y~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))))} assume !!(~bvslt32(4294966296bv32, ~y~0) && ~bvslt32(~y~0, 1000000bv32)); {312#(or (bvsgt (bvadd main_~y~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32)))} is VALID [2018-11-23 11:39:10,541 INFO L273 TraceCheckUtils]: 4: Hoare triple {249#true} havoc ~x~0;havoc ~y~0;~x~0 := 4294967246bv32;~y~0 := #t~nondet1;havoc #t~nondet1; {316#(forall ((main_~y~0 (_ BitVec 32))) (or (not (bvslt main_~y~0 (_ bv1000000 32))) (not (bvslt (_ bv4294966296 32) main_~y~0)) (bvsgt (bvadd main_~y~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))))} is VALID [2018-11-23 11:39:10,542 INFO L256 TraceCheckUtils]: 3: Hoare triple {249#true} call #t~ret3 := main(); {249#true} is VALID [2018-11-23 11:39:10,542 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {249#true} {249#true} #36#return; {249#true} is VALID [2018-11-23 11:39:10,543 INFO L273 TraceCheckUtils]: 1: Hoare triple {249#true} assume true; {249#true} is VALID [2018-11-23 11:39:10,543 INFO L256 TraceCheckUtils]: 0: Hoare triple {249#true} call ULTIMATE.init(); {249#true} is VALID [2018-11-23 11:39:10,544 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 11:39:10,549 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:39:10,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-23 11:39:10,550 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 12 [2018-11-23 11:39:10,550 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:39:10,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-23 11:39:10,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:39:10,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 11:39:10,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 11:39:10,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-11-23 11:39:10,701 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 14 states. [2018-11-23 11:39:11,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:11,396 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2018-11-23 11:39:11,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 11:39:11,396 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 12 [2018-11-23 11:39:11,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:39:11,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:39:11,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 25 transitions. [2018-11-23 11:39:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:39:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 25 transitions. [2018-11-23 11:39:11,402 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 25 transitions. [2018-11-23 11:39:11,511 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:39:11,513 INFO L225 Difference]: With dead ends: 23 [2018-11-23 11:39:11,514 INFO L226 Difference]: Without dead ends: 16 [2018-11-23 11:39:11,515 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2018-11-23 11:39:11,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-23 11:39:11,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-23 11:39:11,525 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:39:11,525 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2018-11-23 11:39:11,526 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-11-23 11:39:11,526 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-11-23 11:39:11,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:11,529 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-11-23 11:39:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-11-23 11:39:11,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:39:11,529 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:39:11,530 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-11-23 11:39:11,530 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-11-23 11:39:11,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:11,532 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-11-23 11:39:11,532 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-11-23 11:39:11,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:39:11,532 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:39:11,533 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:39:11,533 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:39:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-23 11:39:11,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-11-23 11:39:11,535 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2018-11-23 11:39:11,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:39:11,535 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-11-23 11:39:11,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 11:39:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-11-23 11:39:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 11:39:11,536 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:11,536 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:39:11,537 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:11,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:11,537 INFO L82 PathProgramCache]: Analyzing trace with hash 658157023, now seen corresponding path program 2 times [2018-11-23 11:39:11,538 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:39:11,538 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 11:39:11,557 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 11:39:11,598 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 11:39:11,598 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 11:39:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:11,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:39:13,540 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2018-11-23 11:39:13,797 INFO L256 TraceCheckUtils]: 0: Hoare triple {439#true} call ULTIMATE.init(); {439#true} is VALID [2018-11-23 11:39:13,797 INFO L273 TraceCheckUtils]: 1: Hoare triple {439#true} assume true; {439#true} is VALID [2018-11-23 11:39:13,797 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {439#true} {439#true} #36#return; {439#true} is VALID [2018-11-23 11:39:13,798 INFO L256 TraceCheckUtils]: 3: Hoare triple {439#true} call #t~ret3 := main(); {439#true} is VALID [2018-11-23 11:39:13,799 INFO L273 TraceCheckUtils]: 4: Hoare triple {439#true} havoc ~x~0;havoc ~y~0;~x~0 := 4294967246bv32;~y~0 := #t~nondet1;havoc #t~nondet1; {456#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:13,803 INFO L273 TraceCheckUtils]: 5: Hoare triple {456#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} assume !!(~bvslt32(4294966296bv32, ~y~0) && ~bvslt32(~y~0, 1000000bv32)); {460#(and (bvslt main_~y~0 (_ bv1000000 32)) (bvslt (_ bv4294966296 32) main_~y~0) (= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32)))} is VALID [2018-11-23 11:39:13,847 INFO L273 TraceCheckUtils]: 6: Hoare triple {460#(and (bvslt main_~y~0 (_ bv1000000 32)) (bvslt (_ bv4294966296 32) main_~y~0) (= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {464#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967295 32))) (= (_ bv4294967246 32) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0)) (bvslt (bvadd main_~y~0 (_ bv4294967295 32)) (_ bv1000000 32)))} is VALID [2018-11-23 11:39:13,897 INFO L273 TraceCheckUtils]: 7: Hoare triple {464#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967295 32))) (= (_ bv4294967246 32) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0)) (bvslt (bvadd main_~y~0 (_ bv4294967295 32)) (_ bv1000000 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {468#(and (bvslt (bvadd main_~y~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967294 32))) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) main_~y~0 (_ bv4294967245 32)) main_~x~0))} is VALID [2018-11-23 11:39:14,098 INFO L273 TraceCheckUtils]: 8: Hoare triple {468#(and (bvslt (bvadd main_~y~0 (_ bv4294967294 32)) (_ bv1000000 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967294 32))) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) main_~y~0 (_ bv4294967245 32)) main_~x~0))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {472#(and (= (bvadd (bvneg main_~y~0) main_~x~0 (_ bv53 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) main_~y~0)) (bvslt (bvadd main_~y~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967293 32))))} is VALID [2018-11-23 11:39:14,806 INFO L273 TraceCheckUtils]: 9: Hoare triple {472#(and (= (bvadd (bvneg main_~y~0) main_~x~0 (_ bv53 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) main_~y~0)) (bvslt (bvadd main_~y~0 (_ bv4294967293 32)) (_ bv1000000 32)) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967293 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {476#(and (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) (bvneg main_~y~0) main_~x~0 (_ bv55 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) main_~y~0)) (bvslt (bvadd main_~y~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:39:14,877 INFO L273 TraceCheckUtils]: 10: Hoare triple {476#(and (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) (bvneg main_~y~0) main_~x~0 (_ bv55 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) main_~y~0)) (bvslt (bvadd main_~y~0 (_ bv4294967292 32)) (_ bv1000000 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967292 32))))} assume !~bvslt32(~x~0, 0bv32); {480#(and (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg main_~y~0) main_~y~0 (bvneg (bvneg main_~y~0)) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (_ bv4294967242 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967292 32)) (_ bv1000000 32)) (not (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (bvneg (bvneg main_~y~0)) main_~y~0 (_ bv4294967241 32)) (_ bv0 32))) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:39:14,882 INFO L256 TraceCheckUtils]: 11: Hoare triple {480#(and (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg main_~y~0) main_~y~0 (bvneg (bvneg main_~y~0)) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (_ bv4294967242 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967292 32)) (_ bv1000000 32)) (not (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (bvneg (bvneg main_~y~0)) main_~y~0 (_ bv4294967241 32)) (_ bv0 32))) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967292 32))))} call __VERIFIER_assert((if ~bvsgt32(~y~0, 0bv32) then 1bv32 else 0bv32)); {484#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:14,883 INFO L273 TraceCheckUtils]: 12: Hoare triple {484#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {488#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:14,884 INFO L273 TraceCheckUtils]: 13: Hoare triple {488#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {440#false} is VALID [2018-11-23 11:39:14,885 INFO L273 TraceCheckUtils]: 14: Hoare triple {440#false} assume !false; {440#false} is VALID [2018-11-23 11:39:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:39:14,887 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:39:20,773 INFO L273 TraceCheckUtils]: 14: Hoare triple {440#false} assume !false; {440#false} is VALID [2018-11-23 11:39:20,776 INFO L273 TraceCheckUtils]: 13: Hoare triple {498#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume 0bv32 == ~cond; {440#false} is VALID [2018-11-23 11:39:20,784 INFO L273 TraceCheckUtils]: 12: Hoare triple {502#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {498#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-23 11:39:20,785 INFO L256 TraceCheckUtils]: 11: Hoare triple {506#(bvsgt main_~y~0 (_ bv0 32))} call __VERIFIER_assert((if ~bvsgt32(~y~0, 0bv32) then 1bv32 else 0bv32)); {502#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-23 11:39:20,786 INFO L273 TraceCheckUtils]: 10: Hoare triple {510#(or (bvslt main_~x~0 (_ bv0 32)) (bvsgt main_~y~0 (_ bv0 32)))} assume !~bvslt32(~x~0, 0bv32); {506#(bvsgt main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:39:20,787 INFO L273 TraceCheckUtils]: 9: Hoare triple {514#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {510#(or (bvslt main_~x~0 (_ bv0 32)) (bvsgt main_~y~0 (_ bv0 32)))} is VALID [2018-11-23 11:39:20,891 INFO L273 TraceCheckUtils]: 8: Hoare triple {518#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv2 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {514#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32)))} is VALID [2018-11-23 11:39:22,895 INFO L273 TraceCheckUtils]: 7: Hoare triple {522#(or (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv3 32)) (_ bv0 32)) (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {518#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv2 32)) (_ bv0 32)))} is UNKNOWN [2018-11-23 11:39:24,900 INFO L273 TraceCheckUtils]: 6: Hoare triple {526#(or (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32)) (bvsgt (bvadd main_~y~0 (_ bv4 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {522#(or (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv3 32)) (_ bv0 32)) (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))))} is UNKNOWN [2018-11-23 11:39:24,905 INFO L273 TraceCheckUtils]: 5: Hoare triple {530#(forall ((main_~y~0 (_ BitVec 32))) (or (not (bvslt main_~y~0 (_ bv1000000 32))) (not (bvslt (_ bv4294966296 32) main_~y~0)) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32)) (bvsgt (bvadd main_~y~0 (_ bv4 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32)))))} assume !!(~bvslt32(4294966296bv32, ~y~0) && ~bvslt32(~y~0, 1000000bv32)); {526#(or (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32)) (bvsgt (bvadd main_~y~0 (_ bv4 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32))))} is VALID [2018-11-23 11:39:24,909 INFO L273 TraceCheckUtils]: 4: Hoare triple {439#true} havoc ~x~0;havoc ~y~0;~x~0 := 4294967246bv32;~y~0 := #t~nondet1;havoc #t~nondet1; {530#(forall ((main_~y~0 (_ BitVec 32))) (or (not (bvslt main_~y~0 (_ bv1000000 32))) (not (bvslt (_ bv4294966296 32) main_~y~0)) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32)) (bvsgt (bvadd main_~y~0 (_ bv4 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32)))))} is VALID [2018-11-23 11:39:24,909 INFO L256 TraceCheckUtils]: 3: Hoare triple {439#true} call #t~ret3 := main(); {439#true} is VALID [2018-11-23 11:39:24,910 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {439#true} {439#true} #36#return; {439#true} is VALID [2018-11-23 11:39:24,910 INFO L273 TraceCheckUtils]: 1: Hoare triple {439#true} assume true; {439#true} is VALID [2018-11-23 11:39:24,910 INFO L256 TraceCheckUtils]: 0: Hoare triple {439#true} call ULTIMATE.init(); {439#true} is VALID [2018-11-23 11:39:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:39:24,916 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:39:24,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2018-11-23 11:39:24,917 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 15 [2018-11-23 11:39:24,917 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:39:24,917 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states. [2018-11-23 11:39:30,508 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 23 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2018-11-23 11:39:30,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 11:39:30,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 11:39:30,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2018-11-23 11:39:30,509 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 20 states. [2018-11-23 11:39:33,869 WARN L180 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-11-23 11:39:34,587 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-11-23 11:39:35,315 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-11-23 11:39:36,188 WARN L180 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-11-23 11:39:37,324 WARN L180 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-11-23 11:39:38,107 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-11-23 11:39:38,719 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-23 11:39:38,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:38,865 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-11-23 11:39:38,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 11:39:38,865 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 15 [2018-11-23 11:39:38,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:39:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-23 11:39:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 35 transitions. [2018-11-23 11:39:38,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-23 11:39:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 35 transitions. [2018-11-23 11:39:38,872 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 35 transitions. [2018-11-23 11:39:43,900 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 34 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2018-11-23 11:39:43,901 INFO L225 Difference]: With dead ends: 30 [2018-11-23 11:39:43,901 INFO L226 Difference]: Without dead ends: 22 [2018-11-23 11:39:43,902 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2018-11-23 11:39:43,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-23 11:39:43,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-11-23 11:39:43,953 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:39:43,953 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand 22 states. [2018-11-23 11:39:43,954 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2018-11-23 11:39:43,954 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2018-11-23 11:39:43,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:43,956 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-11-23 11:39:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-11-23 11:39:43,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:39:43,957 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:39:43,957 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 22 states. [2018-11-23 11:39:43,957 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 22 states. [2018-11-23 11:39:43,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:39:43,959 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-11-23 11:39:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-11-23 11:39:43,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:39:43,960 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:39:43,961 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:39:43,961 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:39:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 11:39:43,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-11-23 11:39:43,963 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 15 [2018-11-23 11:39:43,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:39:43,963 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-11-23 11:39:43,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 11:39:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-11-23 11:39:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 11:39:43,964 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:39:43,964 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:39:43,965 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:39:43,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:39:43,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1338080833, now seen corresponding path program 3 times [2018-11-23 11:39:43,966 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:39:43,966 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 11:39:43,982 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-23 11:39:44,154 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-11-23 11:39:44,155 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 11:39:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:39:44,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:39:44,613 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-11-23 11:39:45,105 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2018-11-23 11:39:45,985 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2018-11-23 11:39:46,673 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2018-11-23 11:39:48,311 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-11-23 11:39:49,252 INFO L256 TraceCheckUtils]: 0: Hoare triple {703#true} call ULTIMATE.init(); {703#true} is VALID [2018-11-23 11:39:49,252 INFO L273 TraceCheckUtils]: 1: Hoare triple {703#true} assume true; {703#true} is VALID [2018-11-23 11:39:49,253 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {703#true} {703#true} #36#return; {703#true} is VALID [2018-11-23 11:39:49,253 INFO L256 TraceCheckUtils]: 3: Hoare triple {703#true} call #t~ret3 := main(); {703#true} is VALID [2018-11-23 11:39:49,256 INFO L273 TraceCheckUtils]: 4: Hoare triple {703#true} havoc ~x~0;havoc ~y~0;~x~0 := 4294967246bv32;~y~0 := #t~nondet1;havoc #t~nondet1; {720#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:49,257 INFO L273 TraceCheckUtils]: 5: Hoare triple {720#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} assume !!(~bvslt32(4294966296bv32, ~y~0) && ~bvslt32(~y~0, 1000000bv32)); {724#(and (bvslt main_~y~0 (_ bv1000000 32)) (bvslt (_ bv4294966296 32) main_~y~0) (= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32)))} is VALID [2018-11-23 11:39:49,302 INFO L273 TraceCheckUtils]: 6: Hoare triple {724#(and (bvslt main_~y~0 (_ bv1000000 32)) (bvslt (_ bv4294966296 32) main_~y~0) (= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {728#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967295 32))) (= (bvadd main_~x~0 (_ bv51 32)) main_~y~0) (bvslt (bvadd main_~y~0 (_ bv4294967295 32)) (_ bv1000000 32)))} is VALID [2018-11-23 11:39:49,390 INFO L273 TraceCheckUtils]: 7: Hoare triple {728#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967295 32))) (= (bvadd main_~x~0 (_ bv51 32)) main_~y~0) (bvslt (bvadd main_~y~0 (_ bv4294967295 32)) (_ bv1000000 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {732#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967294 32))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv4294967244 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0)))} is VALID [2018-11-23 11:39:49,670 INFO L273 TraceCheckUtils]: 8: Hoare triple {732#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967294 32))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (= (bvadd main_~y~0 (_ bv4294967244 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {736#(and (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) main_~y~0 (_ bv4294967243 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967293 32))) (= (bvadd main_~x~0 (_ bv54 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv2 32) main_~y~0))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) main_~y~0 (_ bv4294967243 32)) (_ bv0 32)))} is VALID [2018-11-23 11:39:49,877 INFO L273 TraceCheckUtils]: 9: Hoare triple {736#(and (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) main_~y~0 (_ bv4294967243 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967293 32))) (= (bvadd main_~x~0 (_ bv54 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv2 32) main_~y~0))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) main_~y~0 (_ bv4294967243 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {740#(and (= (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0 (_ bv56 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvmul (_ bv2 32) main_~y~0))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) main_~y~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))) (_ bv4294967242 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:39:50,191 INFO L273 TraceCheckUtils]: 10: Hoare triple {740#(and (= (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0 (_ bv56 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvmul (_ bv2 32) main_~y~0))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) main_~y~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))) (_ bv4294967242 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967292 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {744#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967291 32))) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv2 32) main_~y~0) (_ bv4294967237 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg main_~y~0) main_~x~0)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967292 32))) main_~y~0 (_ bv4294967241 32)) (_ bv0 32)))} is VALID [2018-11-23 11:39:50,386 INFO L273 TraceCheckUtils]: 11: Hoare triple {744#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967291 32))) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv2 32) main_~y~0) (_ bv4294967237 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg main_~y~0) main_~x~0)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967292 32))) main_~y~0 (_ bv4294967241 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {748#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967290 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967291 32))) main_~y~0 (_ bv4294967240 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (bvmul (_ bv2 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (_ bv4294967235 32)) (_ bv0 32)) (= (bvadd main_~x~0 (_ bv62 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvmul (_ bv3 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))))))} is VALID [2018-11-23 11:39:50,583 INFO L273 TraceCheckUtils]: 12: Hoare triple {748#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967290 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967291 32))) main_~y~0 (_ bv4294967240 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (bvmul (_ bv2 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (_ bv4294967235 32)) (_ bv0 32)) (= (bvadd main_~x~0 (_ bv62 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvmul (_ bv3 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {752#(and (= (bvadd main_~x~0 (_ bv66 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv4 32) main_~y~0))) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967289 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv3 32) main_~y~0) (_ bv4294967231 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967290 32))) main_~y~0 (_ bv4294967239 32)) (_ bv0 32)))} is VALID [2018-11-23 11:39:50,850 INFO L273 TraceCheckUtils]: 13: Hoare triple {752#(and (= (bvadd main_~x~0 (_ bv66 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv4 32) main_~y~0))) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967289 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv3 32) main_~y~0) (_ bv4294967231 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967290 32))) main_~y~0 (_ bv4294967239 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {756#(and (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvmul (_ bv4 32) main_~y~0) (_ bv4294967225 32)) (bvadd (bvneg main_~y~0) main_~x~0)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967289 32))) main_~y~0 (_ bv4294967238 32)) (_ bv0 32)) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967288 32))))} is VALID [2018-11-23 11:39:51,220 INFO L273 TraceCheckUtils]: 14: Hoare triple {756#(and (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvmul (_ bv4 32) main_~y~0) (_ bv4294967225 32)) (bvadd (bvneg main_~y~0) main_~x~0)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967289 32))) main_~y~0 (_ bv4294967238 32)) (_ bv0 32)) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967288 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {760#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967287 32))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (= (bvadd (bvmul (_ bv2 32) (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) main_~x~0 (_ bv75 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv4 32) main_~y~0))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) main_~y~0 (bvneg (bvadd main_~y~0 (_ bv4294967288 32))) (_ bv4294967237 32)) (_ bv0 32)))} is VALID [2018-11-23 11:39:51,585 INFO L273 TraceCheckUtils]: 15: Hoare triple {760#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967287 32))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (= (bvadd (bvmul (_ bv2 32) (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) main_~x~0 (_ bv75 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv4 32) main_~y~0))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) main_~y~0 (bvneg (bvadd main_~y~0 (_ bv4294967288 32))) (_ bv4294967237 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {764#(and (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv5 32) main_~y~0) (_ bv4294967216 32)) main_~x~0) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967286 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv4 32) main_~y~0) (_ bv4294967217 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967287 32))) main_~y~0 (_ bv4294967236 32)) (_ bv0 32)))} is VALID [2018-11-23 11:39:51,587 INFO L273 TraceCheckUtils]: 16: Hoare triple {764#(and (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv5 32) main_~y~0) (_ bv4294967216 32)) main_~x~0) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967286 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv4 32) main_~y~0) (_ bv4294967217 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967287 32))) main_~y~0 (_ bv4294967236 32)) (_ bv0 32)))} assume !~bvslt32(~x~0, 0bv32); {768#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967286 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv4 32) main_~y~0) (_ bv4294967217 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967287 32))) main_~y~0 (_ bv4294967236 32)) (_ bv0 32)) (not (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv5 32) main_~y~0) (_ bv4294967216 32)) (_ bv0 32))))} is VALID [2018-11-23 11:39:51,594 INFO L256 TraceCheckUtils]: 17: Hoare triple {768#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967286 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv4 32) main_~y~0) (_ bv4294967217 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967287 32))) main_~y~0 (_ bv4294967236 32)) (_ bv0 32)) (not (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv5 32) main_~y~0) (_ bv4294967216 32)) (_ bv0 32))))} call __VERIFIER_assert((if ~bvsgt32(~y~0, 0bv32) then 1bv32 else 0bv32)); {772#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:51,601 INFO L273 TraceCheckUtils]: 18: Hoare triple {772#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {776#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:39:51,602 INFO L273 TraceCheckUtils]: 19: Hoare triple {776#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {704#false} is VALID [2018-11-23 11:39:51,602 INFO L273 TraceCheckUtils]: 20: Hoare triple {704#false} assume !false; {704#false} is VALID [2018-11-23 11:39:51,607 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:39:51,607 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:40:00,723 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-11-23 11:40:03,558 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-11-23 11:40:06,342 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-23 11:40:09,315 WARN L180 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-11-23 11:40:12,497 WARN L180 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-11-23 11:40:15,368 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-23 11:40:16,628 INFO L273 TraceCheckUtils]: 20: Hoare triple {704#false} assume !false; {704#false} is VALID [2018-11-23 11:40:16,629 INFO L273 TraceCheckUtils]: 19: Hoare triple {786#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume 0bv32 == ~cond; {704#false} is VALID [2018-11-23 11:40:16,630 INFO L273 TraceCheckUtils]: 18: Hoare triple {790#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {786#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-23 11:40:16,632 INFO L256 TraceCheckUtils]: 17: Hoare triple {794#(bvsgt main_~y~0 (_ bv0 32))} call __VERIFIER_assert((if ~bvsgt32(~y~0, 0bv32) then 1bv32 else 0bv32)); {790#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-23 11:40:16,632 INFO L273 TraceCheckUtils]: 16: Hoare triple {798#(or (bvslt main_~x~0 (_ bv0 32)) (bvsgt main_~y~0 (_ bv0 32)))} assume !~bvslt32(~x~0, 0bv32); {794#(bvsgt main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:40:16,634 INFO L273 TraceCheckUtils]: 15: Hoare triple {802#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {798#(or (bvslt main_~x~0 (_ bv0 32)) (bvsgt main_~y~0 (_ bv0 32)))} is VALID [2018-11-23 11:40:16,749 INFO L273 TraceCheckUtils]: 14: Hoare triple {806#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv2 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {802#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32)))} is VALID [2018-11-23 11:40:18,753 INFO L273 TraceCheckUtils]: 13: Hoare triple {810#(or (not (bvslt main_~x~0 (_ bv0 32))) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv3 32)) (_ bv0 32)) (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {806#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv2 32)) (_ bv0 32)))} is UNKNOWN [2018-11-23 11:40:20,763 INFO L273 TraceCheckUtils]: 12: Hoare triple {814#(or (not (bvslt main_~x~0 (_ bv0 32))) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32)) (bvsgt (bvadd main_~y~0 (_ bv4 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {810#(or (not (bvslt main_~x~0 (_ bv0 32))) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv3 32)) (_ bv0 32)) (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))))} is UNKNOWN [2018-11-23 11:40:22,769 INFO L273 TraceCheckUtils]: 11: Hoare triple {818#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv5 32)) (_ bv0 32)) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv5 32) main_~y~0) main_~x~0 (_ bv10 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {814#(or (not (bvslt main_~x~0 (_ bv0 32))) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32)) (bvsgt (bvadd main_~y~0 (_ bv4 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32))))} is UNKNOWN [2018-11-23 11:40:24,774 INFO L273 TraceCheckUtils]: 10: Hoare triple {822#(or (not (bvslt main_~x~0 (_ bv0 32))) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv5 32) main_~y~0) main_~x~0 (_ bv10 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv6 32)) (_ bv0 32)) (bvslt (bvadd (bvmul (_ bv6 32) main_~y~0) main_~x~0 (_ bv15 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {818#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv5 32)) (_ bv0 32)) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv5 32) main_~y~0) main_~x~0 (_ bv10 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32))))} is UNKNOWN [2018-11-23 11:40:26,780 INFO L273 TraceCheckUtils]: 9: Hoare triple {826#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv7 32) main_~y~0) main_~x~0 (_ bv21 32)) (_ bv0 32)) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv6 32) main_~y~0) main_~x~0 (_ bv15 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv7 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {822#(or (not (bvslt main_~x~0 (_ bv0 32))) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv5 32) main_~y~0) main_~x~0 (_ bv10 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv6 32)) (_ bv0 32)) (bvslt (bvadd (bvmul (_ bv6 32) main_~y~0) main_~x~0 (_ bv15 32)) (_ bv0 32)))} is UNKNOWN [2018-11-23 11:40:28,788 INFO L273 TraceCheckUtils]: 8: Hoare triple {830#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv8 32) main_~y~0) main_~x~0 (_ bv28 32)) (_ bv0 32)) (bvsgt (bvadd main_~y~0 (_ bv8 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv7 32) main_~y~0) main_~x~0 (_ bv21 32)) (_ bv0 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {826#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv7 32) main_~y~0) main_~x~0 (_ bv21 32)) (_ bv0 32)) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv6 32) main_~y~0) main_~x~0 (_ bv15 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv7 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32))))} is UNKNOWN [2018-11-23 11:40:30,794 INFO L273 TraceCheckUtils]: 7: Hoare triple {834#(or (not (bvslt main_~x~0 (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv8 32) main_~y~0) main_~x~0 (_ bv28 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv5 32) main_~y~0) main_~x~0 (_ bv10 32)) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv9 32)) (_ bv0 32)) (bvslt (bvadd (bvmul (_ bv9 32) main_~y~0) main_~x~0 (_ bv36 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {830#(or (not (bvslt main_~x~0 (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv8 32) main_~y~0) main_~x~0 (_ bv28 32)) (_ bv0 32)) (bvsgt (bvadd main_~y~0 (_ bv8 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv7 32) main_~y~0) main_~x~0 (_ bv21 32)) (_ bv0 32))))} is UNKNOWN [2018-11-23 11:40:32,802 INFO L273 TraceCheckUtils]: 6: Hoare triple {838#(or (not (bvslt (bvadd (bvmul (_ bv9 32) main_~y~0) main_~x~0 (_ bv36 32)) (_ bv0 32))) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv5 32) main_~y~0) main_~x~0 (_ bv10 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv6 32) main_~y~0) main_~x~0 (_ bv15 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv10 32) main_~y~0) main_~x~0 (_ bv45 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv10 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {834#(or (not (bvslt main_~x~0 (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv8 32) main_~y~0) main_~x~0 (_ bv28 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv5 32) main_~y~0) main_~x~0 (_ bv10 32)) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv9 32)) (_ bv0 32)) (bvslt (bvadd (bvmul (_ bv9 32) main_~y~0) main_~x~0 (_ bv36 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv3 32) main_~y~0) main_~x~0 (_ bv3 32)) (_ bv0 32))))} is UNKNOWN [2018-11-23 11:40:32,810 INFO L273 TraceCheckUtils]: 5: Hoare triple {842#(forall ((main_~y~0 (_ BitVec 32))) (or (not (bvslt main_~y~0 (_ bv1000000 32))) (not (bvslt (bvadd (bvmul (_ bv9 32) main_~y~0) main_~x~0 (_ bv36 32)) (_ bv0 32))) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv5 32) main_~y~0) main_~x~0 (_ bv10 32)) (_ bv0 32))) (not (bvslt (_ bv4294966296 32) main_~y~0)) (not (bvslt (bvadd (bvmul (_ bv6 32) main_~y~0) main_~x~0 (_ bv15 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv10 32) main_~y~0) main_~x~0 (_ bv45 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv10 32)) (_ bv0 32))))} assume !!(~bvslt32(4294966296bv32, ~y~0) && ~bvslt32(~y~0, 1000000bv32)); {838#(or (not (bvslt (bvadd (bvmul (_ bv9 32) main_~y~0) main_~x~0 (_ bv36 32)) (_ bv0 32))) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv5 32) main_~y~0) main_~x~0 (_ bv10 32)) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv6 32) main_~y~0) main_~x~0 (_ bv15 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv10 32) main_~y~0) main_~x~0 (_ bv45 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv10 32)) (_ bv0 32)))} is VALID [2018-11-23 11:40:32,817 INFO L273 TraceCheckUtils]: 4: Hoare triple {703#true} havoc ~x~0;havoc ~y~0;~x~0 := 4294967246bv32;~y~0 := #t~nondet1;havoc #t~nondet1; {842#(forall ((main_~y~0 (_ BitVec 32))) (or (not (bvslt main_~y~0 (_ bv1000000 32))) (not (bvslt (bvadd (bvmul (_ bv9 32) main_~y~0) main_~x~0 (_ bv36 32)) (_ bv0 32))) (not (bvslt (bvadd main_~y~0 main_~x~0) (_ bv0 32))) (not (bvslt (bvadd (bvmul (_ bv5 32) main_~y~0) main_~x~0 (_ bv10 32)) (_ bv0 32))) (not (bvslt (_ bv4294966296 32) main_~y~0)) (not (bvslt (bvadd (bvmul (_ bv6 32) main_~y~0) main_~x~0 (_ bv15 32)) (_ bv0 32))) (bvslt (bvadd (bvmul (_ bv10 32) main_~y~0) main_~x~0 (_ bv45 32)) (_ bv0 32)) (not (bvslt (bvadd (bvmul (_ bv4 32) main_~y~0) main_~x~0 (_ bv6 32)) (_ bv0 32))) (bvsgt (bvadd main_~y~0 (_ bv10 32)) (_ bv0 32))))} is VALID [2018-11-23 11:40:32,818 INFO L256 TraceCheckUtils]: 3: Hoare triple {703#true} call #t~ret3 := main(); {703#true} is VALID [2018-11-23 11:40:32,818 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {703#true} {703#true} #36#return; {703#true} is VALID [2018-11-23 11:40:32,818 INFO L273 TraceCheckUtils]: 1: Hoare triple {703#true} assume true; {703#true} is VALID [2018-11-23 11:40:32,818 INFO L256 TraceCheckUtils]: 0: Hoare triple {703#true} call ULTIMATE.init(); {703#true} is VALID [2018-11-23 11:40:32,821 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:40:32,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:40:32,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2018-11-23 11:40:32,825 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 21 [2018-11-23 11:40:32,825 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:40:32,825 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states. [2018-11-23 11:40:51,202 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 30 inductive. 0 not inductive. 7 times theorem prover too weak to decide inductivity. [2018-11-23 11:40:51,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-11-23 11:40:51,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-11-23 11:40:51,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2018-11-23 11:40:51,204 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 32 states. [2018-11-23 11:41:11,515 WARN L180 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2018-11-23 11:41:19,619 WARN L180 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2018-11-23 11:41:20,571 WARN L180 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2018-11-23 11:41:25,695 WARN L180 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2018-11-23 11:41:30,034 WARN L180 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2018-11-23 11:41:32,878 WARN L180 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2018-11-23 11:41:35,120 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-11-23 11:41:36,378 WARN L180 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-11-23 11:41:37,392 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-11-23 11:41:48,439 WARN L180 SmtUtils]: Spent 6.85 s on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2018-11-23 11:41:48,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:48,882 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2018-11-23 11:41:48,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-23 11:41:48,882 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 21 [2018-11-23 11:41:48,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-23 11:41:48,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 51 transitions. [2018-11-23 11:41:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-23 11:41:48,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 51 transitions. [2018-11-23 11:41:48,889 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 51 transitions. [2018-11-23 11:42:08,587 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 43 inductive. 0 not inductive. 8 times theorem prover too weak to decide inductivity. [2018-11-23 11:42:08,589 INFO L225 Difference]: With dead ends: 40 [2018-11-23 11:42:08,589 INFO L226 Difference]: Without dead ends: 34 [2018-11-23 11:42:08,591 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 58.7s TimeCoverageRelationStatistics Valid=554, Invalid=1516, Unknown=0, NotChecked=0, Total=2070 [2018-11-23 11:42:08,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-23 11:42:08,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-23 11:42:08,680 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:42:08,680 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 34 states. [2018-11-23 11:42:08,681 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2018-11-23 11:42:08,681 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2018-11-23 11:42:08,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:08,684 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-11-23 11:42:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-11-23 11:42:08,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:42:08,685 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:42:08,685 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2018-11-23 11:42:08,685 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2018-11-23 11:42:08,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:42:08,687 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-11-23 11:42:08,687 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-11-23 11:42:08,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:42:08,688 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:42:08,688 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:42:08,688 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:42:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 11:42:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-11-23 11:42:08,690 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 21 [2018-11-23 11:42:08,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:42:08,691 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-11-23 11:42:08,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-11-23 11:42:08,691 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-11-23 11:42:08,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 11:42:08,692 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:42:08,692 INFO L402 BasicCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:42:08,693 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:42:08,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:42:08,693 INFO L82 PathProgramCache]: Analyzing trace with hash 80802175, now seen corresponding path program 4 times [2018-11-23 11:42:08,694 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:42:08,694 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 11:42:08,720 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 11:42:08,947 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 11:42:08,947 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 11:42:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:42:09,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:42:10,985 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2018-11-23 11:42:11,316 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2018-11-23 11:42:12,216 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-11-23 11:42:12,862 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-11-23 11:42:13,485 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-11-23 11:42:14,614 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-11-23 11:42:15,431 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-11-23 11:42:16,035 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2018-11-23 11:42:16,870 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-11-23 11:42:18,628 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-11-23 11:42:19,762 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2018-11-23 11:42:21,283 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2018-11-23 11:42:22,013 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2018-11-23 11:42:23,348 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2018-11-23 11:42:24,497 INFO L256 TraceCheckUtils]: 0: Hoare triple {1091#true} call ULTIMATE.init(); {1091#true} is VALID [2018-11-23 11:42:24,497 INFO L273 TraceCheckUtils]: 1: Hoare triple {1091#true} assume true; {1091#true} is VALID [2018-11-23 11:42:24,498 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1091#true} {1091#true} #36#return; {1091#true} is VALID [2018-11-23 11:42:24,498 INFO L256 TraceCheckUtils]: 3: Hoare triple {1091#true} call #t~ret3 := main(); {1091#true} is VALID [2018-11-23 11:42:24,513 INFO L273 TraceCheckUtils]: 4: Hoare triple {1091#true} havoc ~x~0;havoc ~y~0;~x~0 := 4294967246bv32;~y~0 := #t~nondet1;havoc #t~nondet1; {1108#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} is VALID [2018-11-23 11:42:24,514 INFO L273 TraceCheckUtils]: 5: Hoare triple {1108#(= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32))} assume !!(~bvslt32(4294966296bv32, ~y~0) && ~bvslt32(~y~0, 1000000bv32)); {1112#(and (bvslt main_~y~0 (_ bv1000000 32)) (bvslt (_ bv4294966296 32) main_~y~0) (= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:24,577 INFO L273 TraceCheckUtils]: 6: Hoare triple {1112#(and (bvslt main_~y~0 (_ bv1000000 32)) (bvslt (_ bv4294966296 32) main_~y~0) (= (bvadd main_~x~0 (_ bv50 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1116#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967295 32))) (= (bvadd main_~x~0 (_ bv51 32)) main_~y~0) (bvslt (bvadd main_~y~0 (_ bv4294967295 32)) (_ bv1000000 32)))} is VALID [2018-11-23 11:42:24,639 INFO L273 TraceCheckUtils]: 7: Hoare triple {1116#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967295 32))) (= (bvadd main_~x~0 (_ bv51 32)) main_~y~0) (bvslt (bvadd main_~y~0 (_ bv4294967295 32)) (_ bv1000000 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1120#(and (bvslt (bvadd main_~y~0 (_ bv4294967244 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967294 32))) (= (bvadd (bvmul (_ bv2 32) main_~y~0) (_ bv4294967243 32)) main_~x~0))} is VALID [2018-11-23 11:42:24,789 INFO L273 TraceCheckUtils]: 8: Hoare triple {1120#(and (bvslt (bvadd main_~y~0 (_ bv4294967244 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967294 32))) (= (bvadd (bvmul (_ bv2 32) main_~y~0) (_ bv4294967243 32)) main_~x~0))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1124#(and (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) (_ bv4294967241 32)) (_ bv0 32)) (= (bvadd main_~x~0 (_ bv56 32)) (bvmul (_ bv3 32) main_~y~0)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967293 32))) (bvslt (bvadd main_~y~0 (_ bv4294967243 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:25,003 INFO L273 TraceCheckUtils]: 9: Hoare triple {1124#(and (bvslt (bvadd (bvmul (_ bv2 32) main_~y~0) (_ bv4294967241 32)) (_ bv0 32)) (= (bvadd main_~x~0 (_ bv56 32)) (bvmul (_ bv3 32) main_~y~0)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967293 32))) (bvslt (bvadd main_~y~0 (_ bv4294967243 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1128#(and (bvslt (bvadd main_~y~0 (_ bv4294967242 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (= (bvadd (bvmul (_ bv3 32) main_~y~0) (_ bv4294967237 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:42:25,244 INFO L273 TraceCheckUtils]: 10: Hoare triple {1128#(and (bvslt (bvadd main_~y~0 (_ bv4294967242 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (= (bvadd (bvmul (_ bv3 32) main_~y~0) (_ bv4294967237 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967292 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1132#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967291 32))) (bvslt (bvadd main_~y~0 (_ bv4294967241 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv3 32) main_~y~0) (_ bv4294967234 32)) (_ bv0 32)) (= (bvadd main_~x~0 (_ bv63 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv4 32) main_~y~0))))} is VALID [2018-11-23 11:42:25,643 INFO L273 TraceCheckUtils]: 11: Hoare triple {1132#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967291 32))) (bvslt (bvadd main_~y~0 (_ bv4294967241 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv3 32) main_~y~0) (_ bv4294967234 32)) (_ bv0 32)) (= (bvadd main_~x~0 (_ bv63 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv4 32) main_~y~0))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1136#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967290 32))) (= (bvadd (bvneg main_~y~0) main_~x~0 (_ bv68 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvmul (_ bv4 32) main_~y~0))) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967240 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:25,976 INFO L273 TraceCheckUtils]: 12: Hoare triple {1136#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967290 32))) (= (bvadd (bvneg main_~y~0) main_~x~0 (_ bv68 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvmul (_ bv4 32) main_~y~0))) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967240 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1140#(and (bvslt (bvadd main_~y~0 (_ bv4294967239 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (bvmul (_ bv4 32) main_~y~0) (_ bv4294967224 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967289 32))) (= (bvadd main_~x~0 (_ bv73 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv5 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))))))} is VALID [2018-11-23 11:42:26,124 INFO L273 TraceCheckUtils]: 13: Hoare triple {1140#(and (bvslt (bvadd main_~y~0 (_ bv4294967239 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (bvmul (_ bv4 32) main_~y~0) (_ bv4294967224 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967289 32))) (= (bvadd main_~x~0 (_ bv73 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv5 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1144#(and (= (bvadd main_~x~0 (_ bv79 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv6 32) main_~y~0))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv5 32) main_~y~0) (_ bv4294967218 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967238 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967288 32))))} is VALID [2018-11-23 11:42:26,306 INFO L273 TraceCheckUtils]: 14: Hoare triple {1144#(and (= (bvadd main_~x~0 (_ bv79 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv6 32) main_~y~0))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv5 32) main_~y~0) (_ bv4294967218 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967238 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967288 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1148#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967287 32))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvmul (_ bv6 32) main_~y~0) (_ bv4294967211 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0)) (bvslt (bvadd main_~y~0 (_ bv4294967237 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:26,805 INFO L273 TraceCheckUtils]: 15: Hoare triple {1148#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967287 32))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvmul (_ bv6 32) main_~y~0) (_ bv4294967211 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0)) (bvslt (bvadd main_~y~0 (_ bv4294967237 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1152#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967286 32))) (= (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0 (_ bv91 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvmul (_ bv6 32) main_~y~0))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967236 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:27,470 INFO L273 TraceCheckUtils]: 16: Hoare triple {1152#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967286 32))) (= (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0 (_ bv91 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvmul (_ bv6 32) main_~y~0))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967236 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1156#(and (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv6 32) main_~y~0) (_ bv4294967199 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967285 32))) (bvslt (bvadd main_~y~0 (_ bv4294967235 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:27,931 INFO L273 TraceCheckUtils]: 17: Hoare triple {1156#(and (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv6 32) main_~y~0) (_ bv4294967199 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967285 32))) (bvslt (bvadd main_~y~0 (_ bv4294967235 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1160#(and (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967234 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967284 32))) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv6 32) main_~y~0) (_ bv4294967192 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg main_~y~0) (bvneg (bvadd main_~y~0 (_ bv4294967292 32))) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))))} is VALID [2018-11-23 11:42:28,283 INFO L273 TraceCheckUtils]: 18: Hoare triple {1160#(and (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967234 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967284 32))) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv6 32) main_~y~0) (_ bv4294967192 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg main_~y~0) (bvneg (bvadd main_~y~0 (_ bv4294967292 32))) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1164#(and (bvslt (bvadd main_~y~0 (_ bv4294967233 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967283 32))) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvmul (_ bv6 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967186 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967291 32))) (bvmul (_ bv2 32) (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967292 32))) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)))} is VALID [2018-11-23 11:42:28,692 INFO L273 TraceCheckUtils]: 19: Hoare triple {1164#(and (bvslt (bvadd main_~y~0 (_ bv4294967233 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967283 32))) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvmul (_ bv6 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967186 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967291 32))) (bvmul (_ bv2 32) (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967292 32))) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1168#(and (= (bvadd main_~x~0 (_ bv117 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvmul (_ bv7 32) main_~y~0))) (bvslt (bvadd main_~y~0 (_ bv4294967232 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967282 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv6 32) main_~y~0) (_ bv4294967180 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:29,299 INFO L273 TraceCheckUtils]: 20: Hoare triple {1168#(and (= (bvadd main_~x~0 (_ bv117 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvmul (_ bv7 32) main_~y~0))) (bvslt (bvadd main_~y~0 (_ bv4294967232 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967282 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv6 32) main_~y~0) (_ bv4294967180 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1172#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967281 32))) (bvslt (bvadd main_~y~0 (_ bv4294967231 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv6 32) main_~y~0) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (_ bv4294967174 32)) (_ bv0 32)) (= (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0 (_ bv124 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv7 32) main_~y~0) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))))))} is VALID [2018-11-23 11:42:29,931 INFO L273 TraceCheckUtils]: 21: Hoare triple {1172#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967281 32))) (bvslt (bvadd main_~y~0 (_ bv4294967231 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv6 32) main_~y~0) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (_ bv4294967174 32)) (_ bv0 32)) (= (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0 (_ bv124 32)) (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv7 32) main_~y~0) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1176#(and (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv7 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967165 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0)) (bvslt (bvadd main_~y~0 (_ bv4294967230 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967280 32))))} is VALID [2018-11-23 11:42:30,171 INFO L273 TraceCheckUtils]: 22: Hoare triple {1176#(and (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv7 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967165 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0)) (bvslt (bvadd main_~y~0 (_ bv4294967230 32)) (_ bv0 32)) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967280 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1180#(and (bvslt (bvadd main_~y~0 (_ bv4294967229 32)) (_ bv0 32)) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvmul (_ bv7 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967282 32)))) (_ bv4294967157 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg main_~y~0) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967279 32))))} is VALID [2018-11-23 11:42:30,569 INFO L273 TraceCheckUtils]: 23: Hoare triple {1180#(and (bvslt (bvadd main_~y~0 (_ bv4294967229 32)) (_ bv0 32)) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvmul (_ bv7 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967282 32)))) (_ bv4294967157 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvneg main_~y~0) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967279 32))))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1184#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967278 32))) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967281 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv7 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967149 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) (bvneg main_~y~0) (bvneg (bvadd main_~y~0 (_ bv4294967292 32))) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))) (bvslt (bvadd main_~y~0 (_ bv4294967228 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:31,172 INFO L273 TraceCheckUtils]: 24: Hoare triple {1184#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967278 32))) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967281 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv7 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967149 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) (bvneg main_~y~0) (bvneg (bvadd main_~y~0 (_ bv4294967292 32))) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))) (bvslt (bvadd main_~y~0 (_ bv4294967228 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1188#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967277 32))) (bvslt (bvadd (bvmul (_ bv2 32) (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967280 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvmul (_ bv7 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967142 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967291 32))) (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvmul (_ bv2 32) (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967292 32))) main_~x~0)) (bvslt (bvadd main_~y~0 (_ bv4294967227 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:31,660 INFO L273 TraceCheckUtils]: 25: Hoare triple {1188#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967277 32))) (bvslt (bvadd (bvmul (_ bv2 32) (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967280 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvmul (_ bv7 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967142 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967291 32))) (bvneg (bvadd main_~y~0 (_ bv4294967294 32))) (bvmul (_ bv2 32) (bvneg (bvadd main_~y~0 (_ bv4294967295 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967292 32))) main_~x~0)) (bvslt (bvadd main_~y~0 (_ bv4294967227 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1192#(and (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv7 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967279 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967282 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (_ bv4294967135 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967291 32))) (bvmul (_ bv2 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967290 32))) (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967276 32))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967226 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:32,037 INFO L273 TraceCheckUtils]: 26: Hoare triple {1192#(and (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv7 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967279 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967282 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (_ bv4294967135 32)) (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967291 32))) (bvmul (_ bv2 32) (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0 (bvneg (bvadd main_~y~0 (_ bv4294967290 32))) (bvneg (bvadd main_~y~0 (_ bv4294967293 32))))) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967276 32))) (bvslt (bvadd (bvneg (bvadd main_~y~0 (_ bv4294967295 32))) main_~x~0) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967226 32)) (_ bv0 32)))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1196#(and (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967278 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967281 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv7 32) main_~y~0) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (_ bv4294967128 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967275 32))) (bvslt (bvadd main_~y~0 (_ bv4294967225 32)) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967278 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv8 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967281 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (_ bv4294967127 32)) main_~x~0))} is VALID [2018-11-23 11:42:32,437 INFO L273 TraceCheckUtils]: 27: Hoare triple {1196#(and (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967278 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967281 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv7 32) main_~y~0) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (_ bv4294967128 32)) (_ bv0 32)) (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967275 32))) (bvslt (bvadd main_~y~0 (_ bv4294967225 32)) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967290 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967278 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv8 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967281 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967287 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967285 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967294 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (_ bv4294967127 32)) main_~x~0))} assume !!~bvslt32(~x~0, 0bv32);~x~0 := ~bvadd32(~x~0, ~y~0);#t~post2 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post2);havoc #t~post2; {1200#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967274 32))) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967277 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967280 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv8 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967282 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967118 32)) (bvadd main_~x~0 (bvneg main_~y~0))) (bvslt (bvadd main_~y~0 (_ bv4294967224 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:32,448 INFO L273 TraceCheckUtils]: 28: Hoare triple {1200#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967274 32))) (bvslt (bvadd (bvneg main_~y~0) main_~x~0 (_ bv1 32)) (_ bv0 32)) (= (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967277 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967280 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv8 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967282 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967118 32)) (bvadd main_~x~0 (bvneg main_~y~0))) (bvslt (bvadd main_~y~0 (_ bv4294967224 32)) (_ bv0 32)))} assume !~bvslt32(~x~0, 0bv32); {1204#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967274 32))) (not (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967277 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967280 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv8 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967282 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg main_~y~0)) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967118 32)) (_ bv0 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967277 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967280 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv8 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967282 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg main_~y~0) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (bvneg (bvneg main_~y~0)) (_ bv4294967119 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967224 32)) (_ bv0 32)))} is VALID [2018-11-23 11:42:32,455 INFO L256 TraceCheckUtils]: 29: Hoare triple {1204#(and (bvslt (_ bv4294966296 32) (bvadd main_~y~0 (_ bv4294967274 32))) (not (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967277 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967280 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv8 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967282 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg (bvneg main_~y~0)) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (_ bv4294967118 32)) (_ bv0 32))) (bvslt (bvadd (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967283 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967277 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967280 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967284 32)))) (bvmul (_ bv8 32) main_~y~0) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967282 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967291 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967288 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967293 32)))) (bvneg (bvneg (bvadd main_~y~0 (_ bv4294967289 32)))) (bvneg main_~y~0) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967292 32)))) (bvmul (_ bv4294967294 32) (bvneg (bvadd main_~y~0 (_ bv4294967286 32)))) (bvneg (bvneg main_~y~0)) (_ bv4294967119 32)) (_ bv0 32)) (bvslt (bvadd main_~y~0 (_ bv4294967224 32)) (_ bv0 32)))} call __VERIFIER_assert((if ~bvsgt32(~y~0, 0bv32) then 1bv32 else 0bv32)); {1208#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:42:32,456 INFO L273 TraceCheckUtils]: 30: Hoare triple {1208#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {1212#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:42:32,457 INFO L273 TraceCheckUtils]: 31: Hoare triple {1212#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {1092#false} is VALID [2018-11-23 11:42:32,457 INFO L273 TraceCheckUtils]: 32: Hoare triple {1092#false} assume !false; {1092#false} is VALID [2018-11-23 11:42:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:42:32,467 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:42:46,724 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-23 11:42:50,393 WARN L180 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36