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-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:35:15,842 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:35:15,845 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:35:15,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:35:15,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:35:15,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:35:15,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:35:15,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:35:15,865 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:35:15,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:35:15,866 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:35:15,867 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:35:15,868 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:35:15,870 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:35:15,871 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:35:15,872 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:35:15,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:35:15,878 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:35:15,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:35:15,885 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:35:15,888 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:35:15,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:35:15,894 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:35:15,896 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:35:15,896 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:35:15,897 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:35:15,899 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:35:15,900 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:35:15,900 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:35:15,904 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:35:15,904 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:35:15,905 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:35:15,905 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:35:15,906 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:35:15,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:35:15,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:35:15,910 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 11:35:15,938 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:35:15,938 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:35:15,939 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:35:15,939 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:35:15,943 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:35:15,944 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:35:15,944 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:35:15,944 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:35:15,944 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:35:15,944 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:35:15,945 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:35:15,946 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:35:15,946 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:35:15,946 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:35:15,946 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:35:15,947 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:35:15,947 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:35:15,947 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:35:15,947 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:35:15,947 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:35:15,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:35:15,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:35:15,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:35:15,949 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:35:15,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:35:15,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:35:15,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:35:15,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:35:15,950 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:35:15,951 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:35:15,951 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:35:15,951 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:35:15,951 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:35:16,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:35:16,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:35:16,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:35:16,039 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:35:16,039 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:35:16,040 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-11-23 11:35:16,111 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc22f2a5a/fecf31e6cbc8432c8de31f890cf2152f/FLAGc85a2ae54 [2018-11-23 11:35:16,579 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:35:16,580 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-11-23 11:35:16,589 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc22f2a5a/fecf31e6cbc8432c8de31f890cf2152f/FLAGc85a2ae54 [2018-11-23 11:35:16,961 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc22f2a5a/fecf31e6cbc8432c8de31f890cf2152f [2018-11-23 11:35:16,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:35:16,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:35:16,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:35:16,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:35:16,979 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:35:16,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:16" (1/1) ... [2018-11-23 11:35:16,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7440284f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:16, skipping insertion in model container [2018-11-23 11:35:16,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:16" (1/1) ... [2018-11-23 11:35:16,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:35:17,042 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:35:17,292 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:35:17,302 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:35:17,369 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:35:17,387 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:35:17,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17 WrapperNode [2018-11-23 11:35:17,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:35:17,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:35:17,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:35:17,389 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:35:17,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (1/1) ... [2018-11-23 11:35:17,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (1/1) ... [2018-11-23 11:35:17,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:35:17,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:35:17,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:35:17,414 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:35:17,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (1/1) ... [2018-11-23 11:35:17,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (1/1) ... [2018-11-23 11:35:17,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (1/1) ... [2018-11-23 11:35:17,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (1/1) ... [2018-11-23 11:35:17,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (1/1) ... [2018-11-23 11:35:17,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (1/1) ... [2018-11-23 11:35:17,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (1/1) ... [2018-11-23 11:35:17,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:35:17,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:35:17,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:35:17,454 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:35:17,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (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 11:35:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:35:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:35:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:35:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:35:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:35:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:35:18,628 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:35:18,629 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 11:35:18,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:18 BoogieIcfgContainer [2018-11-23 11:35:18,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:35:18,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:35:18,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:35:18,637 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:35:18,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:35:16" (1/3) ... [2018-11-23 11:35:18,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2447859f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:35:18, skipping insertion in model container [2018-11-23 11:35:18,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:17" (2/3) ... [2018-11-23 11:35:18,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2447859f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:35:18, skipping insertion in model container [2018-11-23 11:35:18,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:18" (3/3) ... [2018-11-23 11:35:18,641 INFO L112 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-11-23 11:35:18,649 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:35:18,656 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2018-11-23 11:35:18,674 INFO L257 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2018-11-23 11:35:18,708 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:35:18,709 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:35:18,709 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:35:18,709 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:35:18,710 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:35:18,710 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:35:18,710 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:35:18,710 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:35:18,710 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:35:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-11-23 11:35:18,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 11:35:18,736 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:18,737 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:18,740 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:18,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:18,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1118366569, now seen corresponding path program 1 times [2018-11-23 11:35:18,750 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:18,750 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 11:35:18,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:18,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:18,986 INFO L256 TraceCheckUtils]: 0: Hoare triple {68#true} call ULTIMATE.init(); {68#true} is VALID [2018-11-23 11:35:18,990 INFO L273 TraceCheckUtils]: 1: Hoare triple {68#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {68#true} is VALID [2018-11-23 11:35:18,991 INFO L273 TraceCheckUtils]: 2: Hoare triple {68#true} assume true; {68#true} is VALID [2018-11-23 11:35:18,991 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {68#true} {68#true} #139#return; {68#true} is VALID [2018-11-23 11:35:18,991 INFO L256 TraceCheckUtils]: 4: Hoare triple {68#true} call #t~ret4 := main(); {68#true} is VALID [2018-11-23 11:35:18,992 INFO L273 TraceCheckUtils]: 5: Hoare triple {68#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {68#true} is VALID [2018-11-23 11:35:18,992 INFO L273 TraceCheckUtils]: 6: Hoare triple {68#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {68#true} is VALID [2018-11-23 11:35:18,992 INFO L273 TraceCheckUtils]: 7: Hoare triple {68#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {68#true} is VALID [2018-11-23 11:35:18,992 INFO L273 TraceCheckUtils]: 8: Hoare triple {68#true} assume ~bvslt32(~main__i~0, ~main__len~0); {68#true} is VALID [2018-11-23 11:35:18,993 INFO L273 TraceCheckUtils]: 9: Hoare triple {68#true} assume ~bvslt32(~main__j~0, ~main__limit~0); {68#true} is VALID [2018-11-23 11:35:18,994 INFO L273 TraceCheckUtils]: 10: Hoare triple {68#true} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {103#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:19,005 INFO L273 TraceCheckUtils]: 11: Hoare triple {103#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~0; {69#false} is VALID [2018-11-23 11:35:19,005 INFO L273 TraceCheckUtils]: 12: Hoare triple {69#false} assume !false; {69#false} is VALID [2018-11-23 11:35:19,008 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 11:35:19,009 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:19,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:19,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:35:19,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-23 11:35:19,023 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:19,026 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 11:35:19,064 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:19,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:35:19,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:35:19,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:35:19,075 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 3 states. [2018-11-23 11:35:19,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:19,581 INFO L93 Difference]: Finished difference Result 88 states and 116 transitions. [2018-11-23 11:35:19,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:35:19,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-23 11:35:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:35:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2018-11-23 11:35:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:35:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2018-11-23 11:35:19,612 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 116 transitions. [2018-11-23 11:35:20,205 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:20,227 INFO L225 Difference]: With dead ends: 88 [2018-11-23 11:35:20,227 INFO L226 Difference]: Without dead ends: 76 [2018-11-23 11:35:20,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 11:35:20,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-23 11:35:20,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 59. [2018-11-23 11:35:20,363 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:20,364 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand 59 states. [2018-11-23 11:35:20,365 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 59 states. [2018-11-23 11:35:20,365 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 59 states. [2018-11-23 11:35:20,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:20,376 INFO L93 Difference]: Finished difference Result 76 states and 83 transitions. [2018-11-23 11:35:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2018-11-23 11:35:20,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:20,378 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:20,379 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 76 states. [2018-11-23 11:35:20,379 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 76 states. [2018-11-23 11:35:20,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:20,386 INFO L93 Difference]: Finished difference Result 76 states and 83 transitions. [2018-11-23 11:35:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2018-11-23 11:35:20,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:20,388 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:20,388 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:20,389 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:20,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-23 11:35:20,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2018-11-23 11:35:20,394 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 13 [2018-11-23 11:35:20,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:20,395 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2018-11-23 11:35:20,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:35:20,395 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2018-11-23 11:35:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 11:35:20,396 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:20,396 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:20,397 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:20,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:20,398 INFO L82 PathProgramCache]: Analyzing trace with hash -306453431, now seen corresponding path program 1 times [2018-11-23 11:35:20,398 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:20,398 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 11:35:20,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:20,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:20,597 INFO L256 TraceCheckUtils]: 0: Hoare triple {425#true} call ULTIMATE.init(); {425#true} is VALID [2018-11-23 11:35:20,597 INFO L273 TraceCheckUtils]: 1: Hoare triple {425#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {425#true} is VALID [2018-11-23 11:35:20,598 INFO L273 TraceCheckUtils]: 2: Hoare triple {425#true} assume true; {425#true} is VALID [2018-11-23 11:35:20,598 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {425#true} {425#true} #139#return; {425#true} is VALID [2018-11-23 11:35:20,598 INFO L256 TraceCheckUtils]: 4: Hoare triple {425#true} call #t~ret4 := main(); {425#true} is VALID [2018-11-23 11:35:20,599 INFO L273 TraceCheckUtils]: 5: Hoare triple {425#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {425#true} is VALID [2018-11-23 11:35:20,599 INFO L273 TraceCheckUtils]: 6: Hoare triple {425#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {425#true} is VALID [2018-11-23 11:35:20,601 INFO L273 TraceCheckUtils]: 7: Hoare triple {425#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {451#(bvslt main_~main__i~0 main_~main__len~0)} is VALID [2018-11-23 11:35:20,603 INFO L273 TraceCheckUtils]: 8: Hoare triple {451#(bvslt main_~main__i~0 main_~main__len~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {451#(bvslt main_~main__i~0 main_~main__len~0)} is VALID [2018-11-23 11:35:20,603 INFO L273 TraceCheckUtils]: 9: Hoare triple {451#(bvslt main_~main__i~0 main_~main__len~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {451#(bvslt main_~main__i~0 main_~main__len~0)} is VALID [2018-11-23 11:35:20,604 INFO L273 TraceCheckUtils]: 10: Hoare triple {451#(bvslt main_~main__i~0 main_~main__len~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {451#(bvslt main_~main__i~0 main_~main__len~0)} is VALID [2018-11-23 11:35:20,605 INFO L273 TraceCheckUtils]: 11: Hoare triple {451#(bvslt main_~main__i~0 main_~main__len~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {464#(= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:20,622 INFO L273 TraceCheckUtils]: 12: Hoare triple {464#(= (bvadd main_~__VERIFIER_assert__cond~2 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~2; {426#false} is VALID [2018-11-23 11:35:20,622 INFO L273 TraceCheckUtils]: 13: Hoare triple {426#false} assume !false; {426#false} is VALID [2018-11-23 11:35:20,626 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 11:35:20,626 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:20,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:20,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:35:20,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-23 11:35:20,635 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:20,635 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 11:35:20,685 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:20,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:35:20,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:35:20,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:35:20,687 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 4 states. [2018-11-23 11:35:21,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:21,570 INFO L93 Difference]: Finished difference Result 153 states and 168 transitions. [2018-11-23 11:35:21,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:35:21,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-23 11:35:21,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:21,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 168 transitions. [2018-11-23 11:35:21,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 168 transitions. [2018-11-23 11:35:21,581 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 168 transitions. [2018-11-23 11:35:21,862 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:21,866 INFO L225 Difference]: With dead ends: 153 [2018-11-23 11:35:21,866 INFO L226 Difference]: Without dead ends: 101 [2018-11-23 11:35:21,867 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:35:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-23 11:35:21,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 58. [2018-11-23 11:35:21,892 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:21,892 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 58 states. [2018-11-23 11:35:21,892 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 58 states. [2018-11-23 11:35:21,892 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 58 states. [2018-11-23 11:35:21,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:21,898 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2018-11-23 11:35:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2018-11-23 11:35:21,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:21,900 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:21,900 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 101 states. [2018-11-23 11:35:21,901 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 101 states. [2018-11-23 11:35:21,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:21,906 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2018-11-23 11:35:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2018-11-23 11:35:21,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:21,908 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:21,908 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:21,909 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-23 11:35:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2018-11-23 11:35:21,912 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 14 [2018-11-23 11:35:21,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:21,912 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2018-11-23 11:35:21,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:35:21,913 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2018-11-23 11:35:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 11:35:21,913 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:21,913 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:21,914 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:21,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:21,915 INFO L82 PathProgramCache]: Analyzing trace with hash -309622200, now seen corresponding path program 1 times [2018-11-23 11:35:21,915 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:21,915 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 11:35:21,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:21,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:22,081 INFO L256 TraceCheckUtils]: 0: Hoare triple {910#true} call ULTIMATE.init(); {910#true} is VALID [2018-11-23 11:35:22,082 INFO L273 TraceCheckUtils]: 1: Hoare triple {910#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {910#true} is VALID [2018-11-23 11:35:22,082 INFO L273 TraceCheckUtils]: 2: Hoare triple {910#true} assume true; {910#true} is VALID [2018-11-23 11:35:22,083 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {910#true} {910#true} #139#return; {910#true} is VALID [2018-11-23 11:35:22,084 INFO L256 TraceCheckUtils]: 4: Hoare triple {910#true} call #t~ret4 := main(); {910#true} is VALID [2018-11-23 11:35:22,084 INFO L273 TraceCheckUtils]: 5: Hoare triple {910#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {910#true} is VALID [2018-11-23 11:35:22,085 INFO L273 TraceCheckUtils]: 6: Hoare triple {910#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {933#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:22,087 INFO L273 TraceCheckUtils]: 7: Hoare triple {933#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {933#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:22,087 INFO L273 TraceCheckUtils]: 8: Hoare triple {933#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {933#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:22,090 INFO L273 TraceCheckUtils]: 9: Hoare triple {933#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {933#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:22,090 INFO L273 TraceCheckUtils]: 10: Hoare triple {933#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {933#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:22,093 INFO L273 TraceCheckUtils]: 11: Hoare triple {933#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {949#(= (_ bv1 32) main_~__VERIFIER_assert__cond~1)} is VALID [2018-11-23 11:35:22,094 INFO L273 TraceCheckUtils]: 12: Hoare triple {949#(= (_ bv1 32) main_~__VERIFIER_assert__cond~1)} assume 0bv32 == ~__VERIFIER_assert__cond~1; {911#false} is VALID [2018-11-23 11:35:22,094 INFO L273 TraceCheckUtils]: 13: Hoare triple {911#false} assume !false; {911#false} is VALID [2018-11-23 11:35:22,095 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 11:35:22,096 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:22,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:22,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:35:22,101 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-23 11:35:22,103 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:22,103 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 11:35:22,128 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:22,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:35:22,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:35:22,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:35:22,130 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand 4 states. [2018-11-23 11:35:22,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:22,757 INFO L93 Difference]: Finished difference Result 136 states and 146 transitions. [2018-11-23 11:35:22,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:35:22,758 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-23 11:35:22,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:22,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2018-11-23 11:35:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2018-11-23 11:35:22,765 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 144 transitions. [2018-11-23 11:35:23,055 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:23,059 INFO L225 Difference]: With dead ends: 136 [2018-11-23 11:35:23,059 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 11:35:23,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:35:23,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 11:35:23,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 64. [2018-11-23 11:35:23,104 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:23,104 INFO L82 GeneralOperation]: Start isEquivalent. First operand 134 states. Second operand 64 states. [2018-11-23 11:35:23,104 INFO L74 IsIncluded]: Start isIncluded. First operand 134 states. Second operand 64 states. [2018-11-23 11:35:23,104 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 64 states. [2018-11-23 11:35:23,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:23,110 INFO L93 Difference]: Finished difference Result 134 states and 144 transitions. [2018-11-23 11:35:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 144 transitions. [2018-11-23 11:35:23,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:23,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:23,112 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 134 states. [2018-11-23 11:35:23,112 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 134 states. [2018-11-23 11:35:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:23,118 INFO L93 Difference]: Finished difference Result 134 states and 144 transitions. [2018-11-23 11:35:23,118 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 144 transitions. [2018-11-23 11:35:23,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:23,120 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:23,120 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:23,120 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:23,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-23 11:35:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2018-11-23 11:35:23,123 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 14 [2018-11-23 11:35:23,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:23,123 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2018-11-23 11:35:23,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:35:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2018-11-23 11:35:23,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 11:35:23,124 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:23,124 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:23,125 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:23,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:23,126 INFO L82 PathProgramCache]: Analyzing trace with hash -910118681, now seen corresponding path program 1 times [2018-11-23 11:35:23,126 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:23,126 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 11:35:23,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:23,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:23,246 INFO L256 TraceCheckUtils]: 0: Hoare triple {1451#true} call ULTIMATE.init(); {1451#true} is VALID [2018-11-23 11:35:23,246 INFO L273 TraceCheckUtils]: 1: Hoare triple {1451#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {1451#true} is VALID [2018-11-23 11:35:23,247 INFO L273 TraceCheckUtils]: 2: Hoare triple {1451#true} assume true; {1451#true} is VALID [2018-11-23 11:35:23,247 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1451#true} {1451#true} #139#return; {1451#true} is VALID [2018-11-23 11:35:23,247 INFO L256 TraceCheckUtils]: 4: Hoare triple {1451#true} call #t~ret4 := main(); {1451#true} is VALID [2018-11-23 11:35:23,247 INFO L273 TraceCheckUtils]: 5: Hoare triple {1451#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {1451#true} is VALID [2018-11-23 11:35:23,248 INFO L273 TraceCheckUtils]: 6: Hoare triple {1451#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {1474#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:23,249 INFO L273 TraceCheckUtils]: 7: Hoare triple {1474#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {1474#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:23,249 INFO L273 TraceCheckUtils]: 8: Hoare triple {1474#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {1474#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:23,251 INFO L273 TraceCheckUtils]: 9: Hoare triple {1474#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {1474#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:23,257 INFO L273 TraceCheckUtils]: 10: Hoare triple {1474#(= (_ bv0 32) main_~main__i~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {1474#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:23,257 INFO L273 TraceCheckUtils]: 11: Hoare triple {1474#(= (_ bv0 32) main_~main__i~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {1474#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:23,258 INFO L273 TraceCheckUtils]: 12: Hoare triple {1474#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {1493#(= (_ bv1 32) main_~__VERIFIER_assert__cond~3)} is VALID [2018-11-23 11:35:23,259 INFO L273 TraceCheckUtils]: 13: Hoare triple {1493#(= (_ bv1 32) main_~__VERIFIER_assert__cond~3)} assume 0bv32 == ~__VERIFIER_assert__cond~3; {1452#false} is VALID [2018-11-23 11:35:23,259 INFO L273 TraceCheckUtils]: 14: Hoare triple {1452#false} assume !false; {1452#false} is VALID [2018-11-23 11:35:23,260 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 11:35:23,260 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:23,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:23,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:35:23,263 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-23 11:35:23,263 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:23,264 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 11:35:23,308 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:23,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:35:23,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:35:23,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:35:23,309 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand 4 states. [2018-11-23 11:35:23,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:23,807 INFO L93 Difference]: Finished difference Result 130 states and 141 transitions. [2018-11-23 11:35:23,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:35:23,807 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-23 11:35:23,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:23,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2018-11-23 11:35:23,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:23,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2018-11-23 11:35:23,813 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 139 transitions. [2018-11-23 11:35:24,003 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:24,007 INFO L225 Difference]: With dead ends: 130 [2018-11-23 11:35:24,008 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 11:35:24,008 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:35:24,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 11:35:24,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 68. [2018-11-23 11:35:24,042 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:24,042 INFO L82 GeneralOperation]: Start isEquivalent. First operand 128 states. Second operand 68 states. [2018-11-23 11:35:24,043 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 68 states. [2018-11-23 11:35:24,043 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 68 states. [2018-11-23 11:35:24,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:24,048 INFO L93 Difference]: Finished difference Result 128 states and 139 transitions. [2018-11-23 11:35:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 139 transitions. [2018-11-23 11:35:24,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:24,049 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:24,049 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 128 states. [2018-11-23 11:35:24,049 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 128 states. [2018-11-23 11:35:24,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:24,054 INFO L93 Difference]: Finished difference Result 128 states and 139 transitions. [2018-11-23 11:35:24,054 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 139 transitions. [2018-11-23 11:35:24,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:24,055 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:24,055 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:24,055 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:24,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-23 11:35:24,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2018-11-23 11:35:24,058 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 15 [2018-11-23 11:35:24,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:24,059 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2018-11-23 11:35:24,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:35:24,059 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2018-11-23 11:35:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 11:35:24,060 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:24,060 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:24,061 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:24,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:24,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1851095055, now seen corresponding path program 1 times [2018-11-23 11:35:24,061 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:24,062 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 11:35:24,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:24,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:24,266 INFO L256 TraceCheckUtils]: 0: Hoare triple {1981#true} call ULTIMATE.init(); {1981#true} is VALID [2018-11-23 11:35:24,267 INFO L273 TraceCheckUtils]: 1: Hoare triple {1981#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {1981#true} is VALID [2018-11-23 11:35:24,267 INFO L273 TraceCheckUtils]: 2: Hoare triple {1981#true} assume true; {1981#true} is VALID [2018-11-23 11:35:24,268 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1981#true} {1981#true} #139#return; {1981#true} is VALID [2018-11-23 11:35:24,268 INFO L256 TraceCheckUtils]: 4: Hoare triple {1981#true} call #t~ret4 := main(); {1981#true} is VALID [2018-11-23 11:35:24,268 INFO L273 TraceCheckUtils]: 5: Hoare triple {1981#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {1981#true} is VALID [2018-11-23 11:35:24,271 INFO L273 TraceCheckUtils]: 6: Hoare triple {1981#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {2004#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:24,272 INFO L273 TraceCheckUtils]: 7: Hoare triple {2004#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {2008#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:24,273 INFO L273 TraceCheckUtils]: 8: Hoare triple {2008#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {2008#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:24,274 INFO L273 TraceCheckUtils]: 9: Hoare triple {2008#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {2015#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:24,278 INFO L273 TraceCheckUtils]: 10: Hoare triple {2015#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {2015#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:24,280 INFO L273 TraceCheckUtils]: 11: Hoare triple {2015#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {2015#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:24,283 INFO L273 TraceCheckUtils]: 12: Hoare triple {2015#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {2015#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:24,285 INFO L273 TraceCheckUtils]: 13: Hoare triple {2015#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {2028#(= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:24,287 INFO L273 TraceCheckUtils]: 14: Hoare triple {2028#(= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~4; {1982#false} is VALID [2018-11-23 11:35:24,287 INFO L273 TraceCheckUtils]: 15: Hoare triple {1982#false} assume !false; {1982#false} is VALID [2018-11-23 11:35:24,289 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 11:35:24,290 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:24,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:24,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:35:24,293 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-23 11:35:24,293 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:24,293 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 11:35:24,319 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:24,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:35:24,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:35:24,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:35:24,320 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 6 states. [2018-11-23 11:35:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:26,146 INFO L93 Difference]: Finished difference Result 170 states and 187 transitions. [2018-11-23 11:35:26,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 11:35:26,146 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-23 11:35:26,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:26,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:35:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 173 transitions. [2018-11-23 11:35:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:35:26,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 173 transitions. [2018-11-23 11:35:26,154 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 173 transitions. [2018-11-23 11:35:26,555 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 173 edges. 173 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:26,559 INFO L225 Difference]: With dead ends: 170 [2018-11-23 11:35:26,560 INFO L226 Difference]: Without dead ends: 168 [2018-11-23 11:35:26,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:35:26,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-11-23 11:35:26,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 77. [2018-11-23 11:35:26,608 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:26,608 INFO L82 GeneralOperation]: Start isEquivalent. First operand 168 states. Second operand 77 states. [2018-11-23 11:35:26,608 INFO L74 IsIncluded]: Start isIncluded. First operand 168 states. Second operand 77 states. [2018-11-23 11:35:26,608 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 77 states. [2018-11-23 11:35:26,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:26,613 INFO L93 Difference]: Finished difference Result 168 states and 185 transitions. [2018-11-23 11:35:26,613 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 185 transitions. [2018-11-23 11:35:26,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:26,613 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:26,614 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 168 states. [2018-11-23 11:35:26,614 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 168 states. [2018-11-23 11:35:26,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:26,620 INFO L93 Difference]: Finished difference Result 168 states and 185 transitions. [2018-11-23 11:35:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 185 transitions. [2018-11-23 11:35:26,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:26,621 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:26,621 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:26,621 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:26,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-23 11:35:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 89 transitions. [2018-11-23 11:35:26,624 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 89 transitions. Word has length 16 [2018-11-23 11:35:26,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:26,624 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 89 transitions. [2018-11-23 11:35:26,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:35:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2018-11-23 11:35:26,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 11:35:26,625 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:26,625 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:26,626 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:26,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:26,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1194066488, now seen corresponding path program 1 times [2018-11-23 11:35:26,626 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:26,627 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 11:35:26,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:26,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:26,746 INFO L256 TraceCheckUtils]: 0: Hoare triple {2657#true} call ULTIMATE.init(); {2657#true} is VALID [2018-11-23 11:35:26,746 INFO L273 TraceCheckUtils]: 1: Hoare triple {2657#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {2657#true} is VALID [2018-11-23 11:35:26,747 INFO L273 TraceCheckUtils]: 2: Hoare triple {2657#true} assume true; {2657#true} is VALID [2018-11-23 11:35:26,747 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2657#true} {2657#true} #139#return; {2657#true} is VALID [2018-11-23 11:35:26,747 INFO L256 TraceCheckUtils]: 4: Hoare triple {2657#true} call #t~ret4 := main(); {2657#true} is VALID [2018-11-23 11:35:26,748 INFO L273 TraceCheckUtils]: 5: Hoare triple {2657#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {2657#true} is VALID [2018-11-23 11:35:26,748 INFO L273 TraceCheckUtils]: 6: Hoare triple {2657#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {2657#true} is VALID [2018-11-23 11:35:26,748 INFO L273 TraceCheckUtils]: 7: Hoare triple {2657#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {2683#(bvslt main_~main__i~0 main_~main__len~0)} is VALID [2018-11-23 11:35:26,749 INFO L273 TraceCheckUtils]: 8: Hoare triple {2683#(bvslt main_~main__i~0 main_~main__len~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {2683#(bvslt main_~main__i~0 main_~main__len~0)} is VALID [2018-11-23 11:35:26,749 INFO L273 TraceCheckUtils]: 9: Hoare triple {2683#(bvslt main_~main__i~0 main_~main__len~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {2683#(bvslt main_~main__i~0 main_~main__len~0)} is VALID [2018-11-23 11:35:26,750 INFO L273 TraceCheckUtils]: 10: Hoare triple {2683#(bvslt main_~main__i~0 main_~main__len~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {2683#(bvslt main_~main__i~0 main_~main__len~0)} is VALID [2018-11-23 11:35:26,750 INFO L273 TraceCheckUtils]: 11: Hoare triple {2683#(bvslt main_~main__i~0 main_~main__len~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {2683#(bvslt main_~main__i~0 main_~main__len~0)} is VALID [2018-11-23 11:35:26,751 INFO L273 TraceCheckUtils]: 12: Hoare triple {2683#(bvslt main_~main__i~0 main_~main__len~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {2683#(bvslt main_~main__i~0 main_~main__len~0)} is VALID [2018-11-23 11:35:26,752 INFO L273 TraceCheckUtils]: 13: Hoare triple {2683#(bvslt main_~main__i~0 main_~main__len~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {2702#(= (bvadd main_~__VERIFIER_assert__cond~6 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:26,753 INFO L273 TraceCheckUtils]: 14: Hoare triple {2702#(= (bvadd main_~__VERIFIER_assert__cond~6 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~6; {2658#false} is VALID [2018-11-23 11:35:26,753 INFO L273 TraceCheckUtils]: 15: Hoare triple {2658#false} assume !false; {2658#false} is VALID [2018-11-23 11:35:26,754 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 11:35:26,755 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:26,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:26,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:35:26,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-23 11:35:26,757 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:26,757 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 11:35:26,781 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:26,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:35:26,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:35:26,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:35:26,782 INFO L87 Difference]: Start difference. First operand 77 states and 89 transitions. Second operand 4 states. [2018-11-23 11:35:27,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:27,322 INFO L93 Difference]: Finished difference Result 110 states and 131 transitions. [2018-11-23 11:35:27,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:35:27,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-23 11:35:27,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2018-11-23 11:35:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2018-11-23 11:35:27,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 89 transitions. [2018-11-23 11:35:27,491 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:27,495 INFO L225 Difference]: With dead ends: 110 [2018-11-23 11:35:27,495 INFO L226 Difference]: Without dead ends: 108 [2018-11-23 11:35:27,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:35:27,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-23 11:35:27,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 75. [2018-11-23 11:35:27,559 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:27,559 INFO L82 GeneralOperation]: Start isEquivalent. First operand 108 states. Second operand 75 states. [2018-11-23 11:35:27,559 INFO L74 IsIncluded]: Start isIncluded. First operand 108 states. Second operand 75 states. [2018-11-23 11:35:27,560 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 75 states. [2018-11-23 11:35:27,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:27,564 INFO L93 Difference]: Finished difference Result 108 states and 129 transitions. [2018-11-23 11:35:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2018-11-23 11:35:27,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:27,565 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:27,565 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 108 states. [2018-11-23 11:35:27,565 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 108 states. [2018-11-23 11:35:27,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:27,569 INFO L93 Difference]: Finished difference Result 108 states and 129 transitions. [2018-11-23 11:35:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2018-11-23 11:35:27,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:27,570 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:27,570 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:27,570 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-11-23 11:35:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2018-11-23 11:35:27,573 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 16 [2018-11-23 11:35:27,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:27,573 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2018-11-23 11:35:27,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:35:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2018-11-23 11:35:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 11:35:27,574 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:27,574 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:27,575 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:27,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:27,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1549374957, now seen corresponding path program 1 times [2018-11-23 11:35:27,575 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:27,575 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:27,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:27,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:27,707 INFO L256 TraceCheckUtils]: 0: Hoare triple {3143#true} call ULTIMATE.init(); {3143#true} is VALID [2018-11-23 11:35:27,707 INFO L273 TraceCheckUtils]: 1: Hoare triple {3143#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {3143#true} is VALID [2018-11-23 11:35:27,708 INFO L273 TraceCheckUtils]: 2: Hoare triple {3143#true} assume true; {3143#true} is VALID [2018-11-23 11:35:27,708 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3143#true} {3143#true} #139#return; {3143#true} is VALID [2018-11-23 11:35:27,708 INFO L256 TraceCheckUtils]: 4: Hoare triple {3143#true} call #t~ret4 := main(); {3143#true} is VALID [2018-11-23 11:35:27,709 INFO L273 TraceCheckUtils]: 5: Hoare triple {3143#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {3143#true} is VALID [2018-11-23 11:35:27,709 INFO L273 TraceCheckUtils]: 6: Hoare triple {3143#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {3143#true} is VALID [2018-11-23 11:35:27,709 INFO L273 TraceCheckUtils]: 7: Hoare triple {3143#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {3169#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:27,710 INFO L273 TraceCheckUtils]: 8: Hoare triple {3169#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {3169#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:27,710 INFO L273 TraceCheckUtils]: 9: Hoare triple {3169#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {3169#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:27,711 INFO L273 TraceCheckUtils]: 10: Hoare triple {3169#(= (_ bv0 32) main_~main__j~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {3169#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:27,711 INFO L273 TraceCheckUtils]: 11: Hoare triple {3169#(= (_ bv0 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {3169#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:27,711 INFO L273 TraceCheckUtils]: 12: Hoare triple {3169#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3169#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:27,712 INFO L273 TraceCheckUtils]: 13: Hoare triple {3169#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {3169#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:27,713 INFO L273 TraceCheckUtils]: 14: Hoare triple {3169#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {3191#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:27,713 INFO L273 TraceCheckUtils]: 15: Hoare triple {3191#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {3144#false} is VALID [2018-11-23 11:35:27,713 INFO L273 TraceCheckUtils]: 16: Hoare triple {3144#false} assume !false; {3144#false} is VALID [2018-11-23 11:35:27,714 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 11:35:27,715 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:27,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:27,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:35:27,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-11-23 11:35:27,722 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:27,722 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 11:35:27,739 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:27,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:35:27,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:35:27,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:35:27,740 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand 4 states. [2018-11-23 11:35:28,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:28,370 INFO L93 Difference]: Finished difference Result 164 states and 181 transitions. [2018-11-23 11:35:28,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:35:28,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-11-23 11:35:28,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167 transitions. [2018-11-23 11:35:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:28,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 167 transitions. [2018-11-23 11:35:28,376 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 167 transitions. [2018-11-23 11:35:28,890 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:28,894 INFO L225 Difference]: With dead ends: 164 [2018-11-23 11:35:28,894 INFO L226 Difference]: Without dead ends: 162 [2018-11-23 11:35:28,895 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:35:28,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-11-23 11:35:28,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 76. [2018-11-23 11:35:28,957 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:28,957 INFO L82 GeneralOperation]: Start isEquivalent. First operand 162 states. Second operand 76 states. [2018-11-23 11:35:28,957 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand 76 states. [2018-11-23 11:35:28,957 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 76 states. [2018-11-23 11:35:28,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:28,963 INFO L93 Difference]: Finished difference Result 162 states and 179 transitions. [2018-11-23 11:35:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 179 transitions. [2018-11-23 11:35:28,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:28,964 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:28,964 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 162 states. [2018-11-23 11:35:28,964 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 162 states. [2018-11-23 11:35:28,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:28,968 INFO L93 Difference]: Finished difference Result 162 states and 179 transitions. [2018-11-23 11:35:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 179 transitions. [2018-11-23 11:35:28,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:28,969 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:28,969 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:28,969 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-23 11:35:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2018-11-23 11:35:28,972 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 17 [2018-11-23 11:35:28,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:28,972 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2018-11-23 11:35:28,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:35:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2018-11-23 11:35:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 11:35:28,973 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:28,973 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:28,974 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:28,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:28,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1638647651, now seen corresponding path program 1 times [2018-11-23 11:35:28,974 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:28,975 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:29,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:29,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:29,289 INFO L256 TraceCheckUtils]: 0: Hoare triple {3795#true} call ULTIMATE.init(); {3795#true} is VALID [2018-11-23 11:35:29,289 INFO L273 TraceCheckUtils]: 1: Hoare triple {3795#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {3795#true} is VALID [2018-11-23 11:35:29,290 INFO L273 TraceCheckUtils]: 2: Hoare triple {3795#true} assume true; {3795#true} is VALID [2018-11-23 11:35:29,290 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3795#true} {3795#true} #139#return; {3795#true} is VALID [2018-11-23 11:35:29,291 INFO L256 TraceCheckUtils]: 4: Hoare triple {3795#true} call #t~ret4 := main(); {3795#true} is VALID [2018-11-23 11:35:29,291 INFO L273 TraceCheckUtils]: 5: Hoare triple {3795#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {3795#true} is VALID [2018-11-23 11:35:29,291 INFO L273 TraceCheckUtils]: 6: Hoare triple {3795#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {3795#true} is VALID [2018-11-23 11:35:29,292 INFO L273 TraceCheckUtils]: 7: Hoare triple {3795#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {3795#true} is VALID [2018-11-23 11:35:29,292 INFO L273 TraceCheckUtils]: 8: Hoare triple {3795#true} assume ~bvslt32(~main__i~0, ~main__len~0); {3795#true} is VALID [2018-11-23 11:35:29,293 INFO L273 TraceCheckUtils]: 9: Hoare triple {3795#true} assume ~bvslt32(~main__j~0, ~main__limit~0); {3795#true} is VALID [2018-11-23 11:35:29,293 INFO L273 TraceCheckUtils]: 10: Hoare triple {3795#true} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {3795#true} is VALID [2018-11-23 11:35:29,308 INFO L273 TraceCheckUtils]: 11: Hoare triple {3795#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {3833#(or (and (not (bvsle (_ bv0 32) main_~main__i~0)) (= main_~__VERIFIER_assert__cond~1 (_ bv0 32))) (and (= (bvadd main_~__VERIFIER_assert__cond~1 (_ bv4294967295 32)) (_ bv0 32)) (bvsle (_ bv0 32) main_~main__i~0)))} is VALID [2018-11-23 11:35:29,323 INFO L273 TraceCheckUtils]: 12: Hoare triple {3833#(or (and (not (bvsle (_ bv0 32) main_~main__i~0)) (= main_~__VERIFIER_assert__cond~1 (_ bv0 32))) (and (= (bvadd main_~__VERIFIER_assert__cond~1 (_ bv4294967295 32)) (_ bv0 32)) (bvsle (_ bv0 32) main_~main__i~0)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {3837#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:29,332 INFO L273 TraceCheckUtils]: 13: Hoare triple {3837#(bvsle (_ bv0 32) main_~main__i~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {3837#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:29,333 INFO L273 TraceCheckUtils]: 14: Hoare triple {3837#(bvsle (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {3844#(= (bvadd main_~__VERIFIER_assert__cond~7 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:29,338 INFO L273 TraceCheckUtils]: 15: Hoare triple {3844#(= (bvadd main_~__VERIFIER_assert__cond~7 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~7; {3796#false} is VALID [2018-11-23 11:35:29,338 INFO L273 TraceCheckUtils]: 16: Hoare triple {3796#false} assume !false; {3796#false} is VALID [2018-11-23 11:35:29,339 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 11:35:29,339 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:29,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:29,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:35:29,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-23 11:35:29,351 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:29,351 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 11:35:29,370 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:29,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:35:29,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:35:29,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:35:29,371 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 5 states. [2018-11-23 11:35:30,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:30,332 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2018-11-23 11:35:30,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 11:35:30,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-23 11:35:30,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:35:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 119 transitions. [2018-11-23 11:35:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:35:30,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 119 transitions. [2018-11-23 11:35:30,339 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 119 transitions. [2018-11-23 11:35:30,578 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:30,583 INFO L225 Difference]: With dead ends: 145 [2018-11-23 11:35:30,584 INFO L226 Difference]: Without dead ends: 143 [2018-11-23 11:35:30,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:35:30,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-23 11:35:30,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 74. [2018-11-23 11:35:30,707 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:30,707 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states. Second operand 74 states. [2018-11-23 11:35:30,707 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 74 states. [2018-11-23 11:35:30,707 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 74 states. [2018-11-23 11:35:30,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:30,714 INFO L93 Difference]: Finished difference Result 143 states and 166 transitions. [2018-11-23 11:35:30,714 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2018-11-23 11:35:30,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:30,714 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:30,715 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 143 states. [2018-11-23 11:35:30,715 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 143 states. [2018-11-23 11:35:30,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:30,720 INFO L93 Difference]: Finished difference Result 143 states and 166 transitions. [2018-11-23 11:35:30,720 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2018-11-23 11:35:30,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:30,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:30,721 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:30,721 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-23 11:35:30,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 86 transitions. [2018-11-23 11:35:30,724 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 86 transitions. Word has length 17 [2018-11-23 11:35:30,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:30,724 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 86 transitions. [2018-11-23 11:35:30,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:35:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2018-11-23 11:35:30,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 11:35:30,725 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:30,725 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:30,725 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:30,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:30,726 INFO L82 PathProgramCache]: Analyzing trace with hash -741527250, now seen corresponding path program 1 times [2018-11-23 11:35:30,726 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:30,726 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:30,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:30,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:30,936 INFO L256 TraceCheckUtils]: 0: Hoare triple {4395#true} call ULTIMATE.init(); {4395#true} is VALID [2018-11-23 11:35:30,936 INFO L273 TraceCheckUtils]: 1: Hoare triple {4395#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {4395#true} is VALID [2018-11-23 11:35:30,937 INFO L273 TraceCheckUtils]: 2: Hoare triple {4395#true} assume true; {4395#true} is VALID [2018-11-23 11:35:30,937 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4395#true} {4395#true} #139#return; {4395#true} is VALID [2018-11-23 11:35:30,938 INFO L256 TraceCheckUtils]: 4: Hoare triple {4395#true} call #t~ret4 := main(); {4395#true} is VALID [2018-11-23 11:35:30,938 INFO L273 TraceCheckUtils]: 5: Hoare triple {4395#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {4395#true} is VALID [2018-11-23 11:35:30,939 INFO L273 TraceCheckUtils]: 6: Hoare triple {4395#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {4418#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:30,940 INFO L273 TraceCheckUtils]: 7: Hoare triple {4418#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {4422#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:30,941 INFO L273 TraceCheckUtils]: 8: Hoare triple {4422#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {4422#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:30,942 INFO L273 TraceCheckUtils]: 9: Hoare triple {4422#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:30,944 INFO L273 TraceCheckUtils]: 10: Hoare triple {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:30,945 INFO L273 TraceCheckUtils]: 11: Hoare triple {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:30,948 INFO L273 TraceCheckUtils]: 12: Hoare triple {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:30,950 INFO L273 TraceCheckUtils]: 13: Hoare triple {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:30,952 INFO L273 TraceCheckUtils]: 14: Hoare triple {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:30,954 INFO L273 TraceCheckUtils]: 15: Hoare triple {4429#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {4448#(= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:30,954 INFO L273 TraceCheckUtils]: 16: Hoare triple {4448#(= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~8; {4396#false} is VALID [2018-11-23 11:35:30,955 INFO L273 TraceCheckUtils]: 17: Hoare triple {4396#false} assume !false; {4396#false} is VALID [2018-11-23 11:35:30,957 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 11:35:30,957 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:30,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:30,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:35:30,959 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-11-23 11:35:30,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:30,960 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 11:35:31,004 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 11:35:31,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:35:31,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:35:31,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:35:31,005 INFO L87 Difference]: Start difference. First operand 74 states and 86 transitions. Second operand 6 states. [2018-11-23 11:35:32,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:32,440 INFO L93 Difference]: Finished difference Result 146 states and 163 transitions. [2018-11-23 11:35:32,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 11:35:32,440 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-11-23 11:35:32,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:35:32,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 149 transitions. [2018-11-23 11:35:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:35:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 149 transitions. [2018-11-23 11:35:32,455 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 149 transitions. [2018-11-23 11:35:32,750 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 149 edges. 149 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:32,754 INFO L225 Difference]: With dead ends: 146 [2018-11-23 11:35:32,754 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 11:35:32,754 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:35:32,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 11:35:32,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 77. [2018-11-23 11:35:32,898 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:32,898 INFO L82 GeneralOperation]: Start isEquivalent. First operand 144 states. Second operand 77 states. [2018-11-23 11:35:32,899 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 77 states. [2018-11-23 11:35:32,899 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 77 states. [2018-11-23 11:35:32,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:32,905 INFO L93 Difference]: Finished difference Result 144 states and 161 transitions. [2018-11-23 11:35:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 161 transitions. [2018-11-23 11:35:32,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:32,906 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:32,906 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 144 states. [2018-11-23 11:35:32,906 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 144 states. [2018-11-23 11:35:32,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:32,911 INFO L93 Difference]: Finished difference Result 144 states and 161 transitions. [2018-11-23 11:35:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 161 transitions. [2018-11-23 11:35:32,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:32,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:32,912 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:32,912 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:32,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-23 11:35:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 89 transitions. [2018-11-23 11:35:32,915 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 89 transitions. Word has length 18 [2018-11-23 11:35:32,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:32,915 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 89 transitions. [2018-11-23 11:35:32,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:35:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2018-11-23 11:35:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 11:35:32,916 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:32,916 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:32,916 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:32,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:32,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1512505143, now seen corresponding path program 1 times [2018-11-23 11:35:32,917 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:32,917 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:32,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:32,978 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:33,032 INFO L256 TraceCheckUtils]: 0: Hoare triple {5005#true} call ULTIMATE.init(); {5005#true} is VALID [2018-11-23 11:35:33,033 INFO L273 TraceCheckUtils]: 1: Hoare triple {5005#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {5005#true} is VALID [2018-11-23 11:35:33,033 INFO L273 TraceCheckUtils]: 2: Hoare triple {5005#true} assume true; {5005#true} is VALID [2018-11-23 11:35:33,033 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5005#true} {5005#true} #139#return; {5005#true} is VALID [2018-11-23 11:35:33,033 INFO L256 TraceCheckUtils]: 4: Hoare triple {5005#true} call #t~ret4 := main(); {5005#true} is VALID [2018-11-23 11:35:33,034 INFO L273 TraceCheckUtils]: 5: Hoare triple {5005#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {5005#true} is VALID [2018-11-23 11:35:33,034 INFO L273 TraceCheckUtils]: 6: Hoare triple {5005#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {5005#true} is VALID [2018-11-23 11:35:33,035 INFO L273 TraceCheckUtils]: 7: Hoare triple {5005#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {5031#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:33,035 INFO L273 TraceCheckUtils]: 8: Hoare triple {5031#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {5031#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:33,036 INFO L273 TraceCheckUtils]: 9: Hoare triple {5031#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {5031#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:33,036 INFO L273 TraceCheckUtils]: 10: Hoare triple {5031#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {5031#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:33,036 INFO L273 TraceCheckUtils]: 11: Hoare triple {5031#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {5031#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:33,037 INFO L273 TraceCheckUtils]: 12: Hoare triple {5031#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {5031#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:33,037 INFO L273 TraceCheckUtils]: 13: Hoare triple {5031#(= (_ bv0 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {5031#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:33,038 INFO L273 TraceCheckUtils]: 14: Hoare triple {5031#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {5031#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:33,039 INFO L273 TraceCheckUtils]: 15: Hoare triple {5031#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {5031#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:33,040 INFO L273 TraceCheckUtils]: 16: Hoare triple {5031#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {5059#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:33,041 INFO L273 TraceCheckUtils]: 17: Hoare triple {5059#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~9; {5006#false} is VALID [2018-11-23 11:35:33,041 INFO L273 TraceCheckUtils]: 18: Hoare triple {5006#false} assume !false; {5006#false} is VALID [2018-11-23 11:35:33,042 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 11:35:33,042 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:33,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:33,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:35:33,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-11-23 11:35:33,044 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:33,044 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 11:35:33,074 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 11:35:33,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:35:33,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:35:33,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:35:33,074 INFO L87 Difference]: Start difference. First operand 77 states and 89 transitions. Second operand 4 states. [2018-11-23 11:35:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:33,653 INFO L93 Difference]: Finished difference Result 148 states and 165 transitions. [2018-11-23 11:35:33,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:35:33,654 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-11-23 11:35:33,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 151 transitions. [2018-11-23 11:35:33,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 11:35:33,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 151 transitions. [2018-11-23 11:35:33,658 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 151 transitions. [2018-11-23 11:35:33,850 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 151 edges. 151 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:33,853 INFO L225 Difference]: With dead ends: 148 [2018-11-23 11:35:33,854 INFO L226 Difference]: Without dead ends: 146 [2018-11-23 11:35:33,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:35:33,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-23 11:35:33,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 78. [2018-11-23 11:35:33,919 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:33,919 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand 78 states. [2018-11-23 11:35:33,919 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand 78 states. [2018-11-23 11:35:33,919 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 78 states. [2018-11-23 11:35:33,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:33,924 INFO L93 Difference]: Finished difference Result 146 states and 163 transitions. [2018-11-23 11:35:33,924 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2018-11-23 11:35:33,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:33,925 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:33,925 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 146 states. [2018-11-23 11:35:33,925 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 146 states. [2018-11-23 11:35:33,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:33,929 INFO L93 Difference]: Finished difference Result 146 states and 163 transitions. [2018-11-23 11:35:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions. [2018-11-23 11:35:33,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:33,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:33,931 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:33,931 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-11-23 11:35:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 90 transitions. [2018-11-23 11:35:33,933 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 90 transitions. Word has length 19 [2018-11-23 11:35:33,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:33,933 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 90 transitions. [2018-11-23 11:35:33,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:35:33,934 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2018-11-23 11:35:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 11:35:33,934 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:33,934 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:33,935 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:33,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:33,936 INFO L82 PathProgramCache]: Analyzing trace with hash 356983956, now seen corresponding path program 1 times [2018-11-23 11:35:33,936 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:33,936 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:33,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:34,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:34,147 INFO L256 TraceCheckUtils]: 0: Hoare triple {5617#true} call ULTIMATE.init(); {5617#true} is VALID [2018-11-23 11:35:34,147 INFO L273 TraceCheckUtils]: 1: Hoare triple {5617#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {5617#true} is VALID [2018-11-23 11:35:34,148 INFO L273 TraceCheckUtils]: 2: Hoare triple {5617#true} assume true; {5617#true} is VALID [2018-11-23 11:35:34,148 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5617#true} {5617#true} #139#return; {5617#true} is VALID [2018-11-23 11:35:34,148 INFO L256 TraceCheckUtils]: 4: Hoare triple {5617#true} call #t~ret4 := main(); {5617#true} is VALID [2018-11-23 11:35:34,149 INFO L273 TraceCheckUtils]: 5: Hoare triple {5617#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {5617#true} is VALID [2018-11-23 11:35:34,149 INFO L273 TraceCheckUtils]: 6: Hoare triple {5617#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {5640#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:34,150 INFO L273 TraceCheckUtils]: 7: Hoare triple {5640#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {5644#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:34,150 INFO L273 TraceCheckUtils]: 8: Hoare triple {5644#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {5644#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:34,151 INFO L273 TraceCheckUtils]: 9: Hoare triple {5644#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {5644#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:34,152 INFO L273 TraceCheckUtils]: 10: Hoare triple {5644#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:34,152 INFO L273 TraceCheckUtils]: 11: Hoare triple {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:34,153 INFO L273 TraceCheckUtils]: 12: Hoare triple {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:34,154 INFO L273 TraceCheckUtils]: 13: Hoare triple {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:34,156 INFO L273 TraceCheckUtils]: 14: Hoare triple {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:34,157 INFO L273 TraceCheckUtils]: 15: Hoare triple {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:34,159 INFO L273 TraceCheckUtils]: 16: Hoare triple {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:34,161 INFO L273 TraceCheckUtils]: 17: Hoare triple {5654#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {5676#(= (bvadd main_~__VERIFIER_assert__cond~10 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:34,162 INFO L273 TraceCheckUtils]: 18: Hoare triple {5676#(= (bvadd main_~__VERIFIER_assert__cond~10 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~10; {5618#false} is VALID [2018-11-23 11:35:34,163 INFO L273 TraceCheckUtils]: 19: Hoare triple {5618#false} assume !false; {5618#false} is VALID [2018-11-23 11:35:34,165 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 11:35:34,165 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:34,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:34,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:35:34,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-11-23 11:35:34,168 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:34,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 11:35:34,193 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:34,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:35:34,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:35:34,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:35:34,194 INFO L87 Difference]: Start difference. First operand 78 states and 90 transitions. Second operand 6 states. [2018-11-23 11:35:35,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:35,480 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2018-11-23 11:35:35,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:35:35,481 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-11-23 11:35:35,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:35:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 132 transitions. [2018-11-23 11:35:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:35:35,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 132 transitions. [2018-11-23 11:35:35,485 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 132 transitions. [2018-11-23 11:35:35,660 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 132 edges. 132 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:35,663 INFO L225 Difference]: With dead ends: 151 [2018-11-23 11:35:35,663 INFO L226 Difference]: Without dead ends: 149 [2018-11-23 11:35:35,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:35:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-23 11:35:36,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 83. [2018-11-23 11:35:36,003 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:36,003 INFO L82 GeneralOperation]: Start isEquivalent. First operand 149 states. Second operand 83 states. [2018-11-23 11:35:36,003 INFO L74 IsIncluded]: Start isIncluded. First operand 149 states. Second operand 83 states. [2018-11-23 11:35:36,003 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 83 states. [2018-11-23 11:35:36,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:36,007 INFO L93 Difference]: Finished difference Result 149 states and 170 transitions. [2018-11-23 11:35:36,008 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 170 transitions. [2018-11-23 11:35:36,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:36,008 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:36,008 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 149 states. [2018-11-23 11:35:36,009 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 149 states. [2018-11-23 11:35:36,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:36,013 INFO L93 Difference]: Finished difference Result 149 states and 170 transitions. [2018-11-23 11:35:36,013 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 170 transitions. [2018-11-23 11:35:36,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:36,013 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:36,014 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:36,014 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:36,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-11-23 11:35:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 95 transitions. [2018-11-23 11:35:36,016 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 95 transitions. Word has length 20 [2018-11-23 11:35:36,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:36,017 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 95 transitions. [2018-11-23 11:35:36,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:35:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2018-11-23 11:35:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 11:35:36,018 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:36,018 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:36,018 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:36,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:36,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1818396113, now seen corresponding path program 1 times [2018-11-23 11:35:36,019 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:36,019 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:36,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:36,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:36,240 INFO L256 TraceCheckUtils]: 0: Hoare triple {6245#true} call ULTIMATE.init(); {6245#true} is VALID [2018-11-23 11:35:36,241 INFO L273 TraceCheckUtils]: 1: Hoare triple {6245#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {6245#true} is VALID [2018-11-23 11:35:36,241 INFO L273 TraceCheckUtils]: 2: Hoare triple {6245#true} assume true; {6245#true} is VALID [2018-11-23 11:35:36,241 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6245#true} {6245#true} #139#return; {6245#true} is VALID [2018-11-23 11:35:36,242 INFO L256 TraceCheckUtils]: 4: Hoare triple {6245#true} call #t~ret4 := main(); {6245#true} is VALID [2018-11-23 11:35:36,242 INFO L273 TraceCheckUtils]: 5: Hoare triple {6245#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {6245#true} is VALID [2018-11-23 11:35:36,243 INFO L273 TraceCheckUtils]: 6: Hoare triple {6245#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,244 INFO L273 TraceCheckUtils]: 7: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,244 INFO L273 TraceCheckUtils]: 8: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,247 INFO L273 TraceCheckUtils]: 9: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,247 INFO L273 TraceCheckUtils]: 10: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,248 INFO L273 TraceCheckUtils]: 11: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,248 INFO L273 TraceCheckUtils]: 12: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,253 INFO L273 TraceCheckUtils]: 13: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,260 INFO L273 TraceCheckUtils]: 14: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,268 INFO L273 TraceCheckUtils]: 15: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,269 INFO L273 TraceCheckUtils]: 16: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {6268#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,271 INFO L273 TraceCheckUtils]: 17: Hoare triple {6268#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {6302#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:35:36,272 INFO L273 TraceCheckUtils]: 18: Hoare triple {6302#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {6306#(= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:36,272 INFO L273 TraceCheckUtils]: 19: Hoare triple {6306#(= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~11; {6246#false} is VALID [2018-11-23 11:35:36,272 INFO L273 TraceCheckUtils]: 20: Hoare triple {6246#false} assume !false; {6246#false} is VALID [2018-11-23 11:35:36,273 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 11:35:36,274 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:36,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:36,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:35:36,276 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-23 11:35:36,276 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:36,276 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 11:35:36,320 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:36,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:35:36,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:35:36,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:35:36,322 INFO L87 Difference]: Start difference. First operand 83 states and 95 transitions. Second operand 5 states. [2018-11-23 11:35:37,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:37,722 INFO L93 Difference]: Finished difference Result 189 states and 219 transitions. [2018-11-23 11:35:37,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:35:37,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-23 11:35:37,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:37,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:35:37,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2018-11-23 11:35:37,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:35:37,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 159 transitions. [2018-11-23 11:35:37,726 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 159 transitions. [2018-11-23 11:35:38,326 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:38,330 INFO L225 Difference]: With dead ends: 189 [2018-11-23 11:35:38,331 INFO L226 Difference]: Without dead ends: 187 [2018-11-23 11:35:38,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:35:38,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-11-23 11:35:38,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 84. [2018-11-23 11:35:38,650 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:38,650 INFO L82 GeneralOperation]: Start isEquivalent. First operand 187 states. Second operand 84 states. [2018-11-23 11:35:38,650 INFO L74 IsIncluded]: Start isIncluded. First operand 187 states. Second operand 84 states. [2018-11-23 11:35:38,651 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 84 states. [2018-11-23 11:35:38,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:38,655 INFO L93 Difference]: Finished difference Result 187 states and 217 transitions. [2018-11-23 11:35:38,656 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 217 transitions. [2018-11-23 11:35:38,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:38,656 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:38,657 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 187 states. [2018-11-23 11:35:38,657 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 187 states. [2018-11-23 11:35:38,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:38,661 INFO L93 Difference]: Finished difference Result 187 states and 217 transitions. [2018-11-23 11:35:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 217 transitions. [2018-11-23 11:35:38,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:38,663 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:38,663 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:38,663 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-11-23 11:35:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 96 transitions. [2018-11-23 11:35:38,665 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 96 transitions. Word has length 21 [2018-11-23 11:35:38,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:38,666 INFO L480 AbstractCegarLoop]: Abstraction has 84 states and 96 transitions. [2018-11-23 11:35:38,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:35:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2018-11-23 11:35:38,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 11:35:38,667 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:38,667 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:38,667 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:38,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:38,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1663733890, now seen corresponding path program 1 times [2018-11-23 11:35:38,668 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:38,668 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 14 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 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:38,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:38,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:39,442 INFO L256 TraceCheckUtils]: 0: Hoare triple {6995#true} call ULTIMATE.init(); {6995#true} is VALID [2018-11-23 11:35:39,442 INFO L273 TraceCheckUtils]: 1: Hoare triple {6995#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {6995#true} is VALID [2018-11-23 11:35:39,442 INFO L273 TraceCheckUtils]: 2: Hoare triple {6995#true} assume true; {6995#true} is VALID [2018-11-23 11:35:39,443 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6995#true} {6995#true} #139#return; {6995#true} is VALID [2018-11-23 11:35:39,443 INFO L256 TraceCheckUtils]: 4: Hoare triple {6995#true} call #t~ret4 := main(); {6995#true} is VALID [2018-11-23 11:35:39,444 INFO L273 TraceCheckUtils]: 5: Hoare triple {6995#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {6995#true} is VALID [2018-11-23 11:35:39,450 INFO L273 TraceCheckUtils]: 6: Hoare triple {6995#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {7018#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:39,451 INFO L273 TraceCheckUtils]: 7: Hoare triple {7018#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {7022#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:39,451 INFO L273 TraceCheckUtils]: 8: Hoare triple {7022#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {7022#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:39,451 INFO L273 TraceCheckUtils]: 9: Hoare triple {7022#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {7022#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:39,452 INFO L273 TraceCheckUtils]: 10: Hoare triple {7022#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {7032#(and (not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)) (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:39,452 INFO L273 TraceCheckUtils]: 11: Hoare triple {7032#(and (not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)) (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7032#(and (not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)) (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:39,471 INFO L273 TraceCheckUtils]: 12: Hoare triple {7032#(and (not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)) (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7032#(and (not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)) (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:39,486 INFO L273 TraceCheckUtils]: 13: Hoare triple {7032#(and (not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)) (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7032#(and (not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)) (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:39,495 INFO L273 TraceCheckUtils]: 14: Hoare triple {7032#(and (not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)) (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {7032#(and (not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)) (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:39,510 INFO L273 TraceCheckUtils]: 15: Hoare triple {7032#(and (not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)) (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {7048#(and (bvslt (_ bv0 32) main_~main__len~0) (not (bvslt (_ bv1 32) main_~main__len~0)) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:35:39,524 INFO L273 TraceCheckUtils]: 16: Hoare triple {7048#(and (bvslt (_ bv0 32) main_~main__len~0) (not (bvslt (_ bv1 32) main_~main__len~0)) (= (_ bv1 32) main_~main__i~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {6996#false} is VALID [2018-11-23 11:35:39,524 INFO L273 TraceCheckUtils]: 17: Hoare triple {6996#false} assume ~bvslt32(~main__j~0, ~main__limit~0); {6996#false} is VALID [2018-11-23 11:35:39,524 INFO L273 TraceCheckUtils]: 18: Hoare triple {6996#false} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6996#false} is VALID [2018-11-23 11:35:39,525 INFO L273 TraceCheckUtils]: 19: Hoare triple {6996#false} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6996#false} is VALID [2018-11-23 11:35:39,525 INFO L273 TraceCheckUtils]: 20: Hoare triple {6996#false} assume 0bv32 == ~__VERIFIER_assert__cond~1; {6996#false} is VALID [2018-11-23 11:35:39,525 INFO L273 TraceCheckUtils]: 21: Hoare triple {6996#false} assume !false; {6996#false} is VALID [2018-11-23 11:35:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:35:39,526 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:35:40,026 INFO L273 TraceCheckUtils]: 21: Hoare triple {6996#false} assume !false; {6996#false} is VALID [2018-11-23 11:35:40,026 INFO L273 TraceCheckUtils]: 20: Hoare triple {6996#false} assume 0bv32 == ~__VERIFIER_assert__cond~1; {6996#false} is VALID [2018-11-23 11:35:40,026 INFO L273 TraceCheckUtils]: 19: Hoare triple {6996#false} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6996#false} is VALID [2018-11-23 11:35:40,027 INFO L273 TraceCheckUtils]: 18: Hoare triple {6996#false} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6996#false} is VALID [2018-11-23 11:35:40,027 INFO L273 TraceCheckUtils]: 17: Hoare triple {6996#false} assume ~bvslt32(~main__j~0, ~main__limit~0); {6996#false} is VALID [2018-11-23 11:35:40,028 INFO L273 TraceCheckUtils]: 16: Hoare triple {7082#(not (bvslt main_~main__i~0 main_~main__len~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {6996#false} is VALID [2018-11-23 11:35:40,040 INFO L273 TraceCheckUtils]: 15: Hoare triple {7086#(not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {7082#(not (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:35:40,044 INFO L273 TraceCheckUtils]: 14: Hoare triple {7086#(not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {7086#(not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:40,046 INFO L273 TraceCheckUtils]: 13: Hoare triple {7086#(not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7086#(not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:40,048 INFO L273 TraceCheckUtils]: 12: Hoare triple {7086#(not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7086#(not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:40,048 INFO L273 TraceCheckUtils]: 11: Hoare triple {7086#(not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7086#(not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:40,050 INFO L273 TraceCheckUtils]: 10: Hoare triple {6995#true} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {7086#(not (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:35:40,050 INFO L273 TraceCheckUtils]: 9: Hoare triple {6995#true} assume ~bvslt32(~main__j~0, ~main__limit~0); {6995#true} is VALID [2018-11-23 11:35:40,050 INFO L273 TraceCheckUtils]: 8: Hoare triple {6995#true} assume ~bvslt32(~main__i~0, ~main__len~0); {6995#true} is VALID [2018-11-23 11:35:40,050 INFO L273 TraceCheckUtils]: 7: Hoare triple {6995#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {6995#true} is VALID [2018-11-23 11:35:40,050 INFO L273 TraceCheckUtils]: 6: Hoare triple {6995#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {6995#true} is VALID [2018-11-23 11:35:40,050 INFO L273 TraceCheckUtils]: 5: Hoare triple {6995#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {6995#true} is VALID [2018-11-23 11:35:40,051 INFO L256 TraceCheckUtils]: 4: Hoare triple {6995#true} call #t~ret4 := main(); {6995#true} is VALID [2018-11-23 11:35:40,051 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6995#true} {6995#true} #139#return; {6995#true} is VALID [2018-11-23 11:35:40,051 INFO L273 TraceCheckUtils]: 2: Hoare triple {6995#true} assume true; {6995#true} is VALID [2018-11-23 11:35:40,051 INFO L273 TraceCheckUtils]: 1: Hoare triple {6995#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {6995#true} is VALID [2018-11-23 11:35:40,051 INFO L256 TraceCheckUtils]: 0: Hoare triple {6995#true} call ULTIMATE.init(); {6995#true} is VALID [2018-11-23 11:35:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:35:40,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:35:40,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2018-11-23 11:35:40,054 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-11-23 11:35:40,055 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:40,055 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 11:35:40,127 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:40,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 11:35:40,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 11:35:40,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:35:40,128 INFO L87 Difference]: Start difference. First operand 84 states and 96 transitions. Second operand 8 states. [2018-11-23 11:35:41,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:41,064 INFO L93 Difference]: Finished difference Result 173 states and 197 transitions. [2018-11-23 11:35:41,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 11:35:41,064 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-11-23 11:35:41,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:41,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:35:41,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 149 transitions. [2018-11-23 11:35:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:35:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 149 transitions. [2018-11-23 11:35:41,068 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 149 transitions. [2018-11-23 11:35:41,733 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 149 edges. 149 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:41,735 INFO L225 Difference]: With dead ends: 173 [2018-11-23 11:35:41,735 INFO L226 Difference]: Without dead ends: 101 [2018-11-23 11:35:41,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:35:41,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-23 11:35:41,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 92. [2018-11-23 11:35:41,813 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:41,813 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 92 states. [2018-11-23 11:35:41,813 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 92 states. [2018-11-23 11:35:41,814 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 92 states. [2018-11-23 11:35:41,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:41,816 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2018-11-23 11:35:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2018-11-23 11:35:41,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:41,817 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:41,817 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 101 states. [2018-11-23 11:35:41,817 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 101 states. [2018-11-23 11:35:41,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:41,820 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2018-11-23 11:35:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 110 transitions. [2018-11-23 11:35:41,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:41,820 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:41,820 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:41,821 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-23 11:35:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2018-11-23 11:35:41,823 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 22 [2018-11-23 11:35:41,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:41,823 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2018-11-23 11:35:41,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 11:35:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2018-11-23 11:35:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 11:35:41,824 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:41,824 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:41,825 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:41,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:41,825 INFO L82 PathProgramCache]: Analyzing trace with hash -535701510, now seen corresponding path program 1 times [2018-11-23 11:35:41,825 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:41,825 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 15 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 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:41,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:41,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:42,508 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-23 11:35:42,618 INFO L256 TraceCheckUtils]: 0: Hoare triple {7640#true} call ULTIMATE.init(); {7640#true} is VALID [2018-11-23 11:35:42,619 INFO L273 TraceCheckUtils]: 1: Hoare triple {7640#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {7640#true} is VALID [2018-11-23 11:35:42,619 INFO L273 TraceCheckUtils]: 2: Hoare triple {7640#true} assume true; {7640#true} is VALID [2018-11-23 11:35:42,619 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {7640#true} {7640#true} #139#return; {7640#true} is VALID [2018-11-23 11:35:42,619 INFO L256 TraceCheckUtils]: 4: Hoare triple {7640#true} call #t~ret4 := main(); {7640#true} is VALID [2018-11-23 11:35:42,619 INFO L273 TraceCheckUtils]: 5: Hoare triple {7640#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {7640#true} is VALID [2018-11-23 11:35:42,621 INFO L273 TraceCheckUtils]: 6: Hoare triple {7640#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {7663#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:42,621 INFO L273 TraceCheckUtils]: 7: Hoare triple {7663#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {7667#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:42,622 INFO L273 TraceCheckUtils]: 8: Hoare triple {7667#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {7667#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:42,623 INFO L273 TraceCheckUtils]: 9: Hoare triple {7667#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:42,626 INFO L273 TraceCheckUtils]: 10: Hoare triple {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:42,630 INFO L273 TraceCheckUtils]: 11: Hoare triple {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:42,631 INFO L273 TraceCheckUtils]: 12: Hoare triple {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:42,633 INFO L273 TraceCheckUtils]: 13: Hoare triple {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:42,634 INFO L273 TraceCheckUtils]: 14: Hoare triple {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:42,636 INFO L273 TraceCheckUtils]: 15: Hoare triple {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:42,638 INFO L273 TraceCheckUtils]: 16: Hoare triple {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:42,639 INFO L273 TraceCheckUtils]: 17: Hoare triple {7674#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7699#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:35:42,640 INFO L273 TraceCheckUtils]: 18: Hoare triple {7699#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {7699#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:35:42,642 INFO L273 TraceCheckUtils]: 19: Hoare triple {7699#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {7706#(= (bvadd main_~__VERIFIER_assert__cond~12 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:42,651 INFO L273 TraceCheckUtils]: 20: Hoare triple {7706#(= (bvadd main_~__VERIFIER_assert__cond~12 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~12; {7641#false} is VALID [2018-11-23 11:35:42,651 INFO L273 TraceCheckUtils]: 21: Hoare triple {7641#false} assume !false; {7641#false} is VALID [2018-11-23 11:35:42,654 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 11:35:42,654 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:42,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:42,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 11:35:42,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-23 11:35:42,657 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:42,657 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-23 11:35:42,693 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:42,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 11:35:42,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 11:35:42,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:35:42,694 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 7 states. [2018-11-23 11:35:45,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:45,482 INFO L93 Difference]: Finished difference Result 321 states and 362 transitions. [2018-11-23 11:35:45,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 11:35:45,483 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-23 11:35:45,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 11:35:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 279 transitions. [2018-11-23 11:35:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 11:35:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 279 transitions. [2018-11-23 11:35:45,488 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 279 transitions. [2018-11-23 11:35:46,332 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 279 edges. 279 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:46,337 INFO L225 Difference]: With dead ends: 321 [2018-11-23 11:35:46,337 INFO L226 Difference]: Without dead ends: 252 [2018-11-23 11:35:46,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-11-23 11:35:46,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-11-23 11:35:46,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 100. [2018-11-23 11:35:46,460 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:46,460 INFO L82 GeneralOperation]: Start isEquivalent. First operand 252 states. Second operand 100 states. [2018-11-23 11:35:46,460 INFO L74 IsIncluded]: Start isIncluded. First operand 252 states. Second operand 100 states. [2018-11-23 11:35:46,460 INFO L87 Difference]: Start difference. First operand 252 states. Second operand 100 states. [2018-11-23 11:35:46,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:46,466 INFO L93 Difference]: Finished difference Result 252 states and 280 transitions. [2018-11-23 11:35:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 280 transitions. [2018-11-23 11:35:46,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:46,467 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:46,468 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand 252 states. [2018-11-23 11:35:46,468 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 252 states. [2018-11-23 11:35:46,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:46,474 INFO L93 Difference]: Finished difference Result 252 states and 280 transitions. [2018-11-23 11:35:46,474 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 280 transitions. [2018-11-23 11:35:46,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:46,475 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:46,475 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:46,475 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-23 11:35:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-11-23 11:35:46,477 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 22 [2018-11-23 11:35:46,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:46,477 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-11-23 11:35:46,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 11:35:46,478 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-11-23 11:35:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 11:35:46,478 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:46,478 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:46,479 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:46,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:46,479 INFO L82 PathProgramCache]: Analyzing trace with hash 573125525, now seen corresponding path program 1 times [2018-11-23 11:35:46,479 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:46,480 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 16 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 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:46,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:46,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:46,989 INFO L256 TraceCheckUtils]: 0: Hoare triple {8707#true} call ULTIMATE.init(); {8707#true} is VALID [2018-11-23 11:35:46,990 INFO L273 TraceCheckUtils]: 1: Hoare triple {8707#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {8707#true} is VALID [2018-11-23 11:35:46,990 INFO L273 TraceCheckUtils]: 2: Hoare triple {8707#true} assume true; {8707#true} is VALID [2018-11-23 11:35:46,990 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {8707#true} {8707#true} #139#return; {8707#true} is VALID [2018-11-23 11:35:46,991 INFO L256 TraceCheckUtils]: 4: Hoare triple {8707#true} call #t~ret4 := main(); {8707#true} is VALID [2018-11-23 11:35:46,991 INFO L273 TraceCheckUtils]: 5: Hoare triple {8707#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {8707#true} is VALID [2018-11-23 11:35:46,991 INFO L273 TraceCheckUtils]: 6: Hoare triple {8707#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {8707#true} is VALID [2018-11-23 11:35:46,992 INFO L273 TraceCheckUtils]: 7: Hoare triple {8707#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {8733#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,992 INFO L273 TraceCheckUtils]: 8: Hoare triple {8733#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {8733#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,993 INFO L273 TraceCheckUtils]: 9: Hoare triple {8733#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {8733#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,993 INFO L273 TraceCheckUtils]: 10: Hoare triple {8733#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {8733#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,994 INFO L273 TraceCheckUtils]: 11: Hoare triple {8733#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {8733#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,994 INFO L273 TraceCheckUtils]: 12: Hoare triple {8733#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {8733#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,994 INFO L273 TraceCheckUtils]: 13: Hoare triple {8733#(= (_ bv0 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {8733#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,995 INFO L273 TraceCheckUtils]: 14: Hoare triple {8733#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {8733#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,995 INFO L273 TraceCheckUtils]: 15: Hoare triple {8733#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {8733#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,995 INFO L273 TraceCheckUtils]: 16: Hoare triple {8733#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {8733#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,996 INFO L273 TraceCheckUtils]: 17: Hoare triple {8733#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8764#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,997 INFO L273 TraceCheckUtils]: 18: Hoare triple {8764#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8764#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,998 INFO L273 TraceCheckUtils]: 19: Hoare triple {8764#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {8764#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:35:46,999 INFO L273 TraceCheckUtils]: 20: Hoare triple {8764#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {8774#(= (bvadd main_~__VERIFIER_assert__cond~13 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:47,001 INFO L273 TraceCheckUtils]: 21: Hoare triple {8774#(= (bvadd main_~__VERIFIER_assert__cond~13 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~13; {8708#false} is VALID [2018-11-23 11:35:47,002 INFO L273 TraceCheckUtils]: 22: Hoare triple {8708#false} assume !false; {8708#false} is VALID [2018-11-23 11:35:47,002 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 11:35:47,003 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:47,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:47,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:35:47,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-23 11:35:47,005 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:47,005 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 11:35:47,031 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:47,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:35:47,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:35:47,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:35:47,031 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 5 states. [2018-11-23 11:35:48,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:48,476 INFO L93 Difference]: Finished difference Result 256 states and 284 transitions. [2018-11-23 11:35:48,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:35:48,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-11-23 11:35:48,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:48,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:35:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 227 transitions. [2018-11-23 11:35:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:35:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 227 transitions. [2018-11-23 11:35:48,482 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 227 transitions. [2018-11-23 11:35:49,179 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 227 edges. 227 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:49,184 INFO L225 Difference]: With dead ends: 256 [2018-11-23 11:35:49,185 INFO L226 Difference]: Without dead ends: 254 [2018-11-23 11:35:49,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:35:49,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-11-23 11:35:49,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 101. [2018-11-23 11:35:49,396 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:49,396 INFO L82 GeneralOperation]: Start isEquivalent. First operand 254 states. Second operand 101 states. [2018-11-23 11:35:49,396 INFO L74 IsIncluded]: Start isIncluded. First operand 254 states. Second operand 101 states. [2018-11-23 11:35:49,396 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 101 states. [2018-11-23 11:35:49,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:49,404 INFO L93 Difference]: Finished difference Result 254 states and 282 transitions. [2018-11-23 11:35:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 282 transitions. [2018-11-23 11:35:49,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:49,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:49,405 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 254 states. [2018-11-23 11:35:49,405 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 254 states. [2018-11-23 11:35:49,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:49,413 INFO L93 Difference]: Finished difference Result 254 states and 282 transitions. [2018-11-23 11:35:49,413 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 282 transitions. [2018-11-23 11:35:49,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:49,414 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:49,414 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:49,414 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:49,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-23 11:35:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2018-11-23 11:35:49,417 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 23 [2018-11-23 11:35:49,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:49,417 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2018-11-23 11:35:49,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:35:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2018-11-23 11:35:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 11:35:49,418 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:49,418 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:49,419 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:49,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:49,419 INFO L82 PathProgramCache]: Analyzing trace with hash 587025248, now seen corresponding path program 1 times [2018-11-23 11:35:49,419 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:49,420 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 17 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 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:49,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:49,545 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:49,990 INFO L256 TraceCheckUtils]: 0: Hoare triple {9700#true} call ULTIMATE.init(); {9700#true} is VALID [2018-11-23 11:35:49,990 INFO L273 TraceCheckUtils]: 1: Hoare triple {9700#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {9700#true} is VALID [2018-11-23 11:35:49,990 INFO L273 TraceCheckUtils]: 2: Hoare triple {9700#true} assume true; {9700#true} is VALID [2018-11-23 11:35:49,990 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {9700#true} {9700#true} #139#return; {9700#true} is VALID [2018-11-23 11:35:49,990 INFO L256 TraceCheckUtils]: 4: Hoare triple {9700#true} call #t~ret4 := main(); {9700#true} is VALID [2018-11-23 11:35:49,991 INFO L273 TraceCheckUtils]: 5: Hoare triple {9700#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {9700#true} is VALID [2018-11-23 11:35:49,991 INFO L273 TraceCheckUtils]: 6: Hoare triple {9700#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {9723#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:49,992 INFO L273 TraceCheckUtils]: 7: Hoare triple {9723#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {9727#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:49,992 INFO L273 TraceCheckUtils]: 8: Hoare triple {9727#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {9727#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:35:49,993 INFO L273 TraceCheckUtils]: 9: Hoare triple {9727#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:49,995 INFO L273 TraceCheckUtils]: 10: Hoare triple {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:49,997 INFO L273 TraceCheckUtils]: 11: Hoare triple {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:49,998 INFO L273 TraceCheckUtils]: 12: Hoare triple {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:50,000 INFO L273 TraceCheckUtils]: 13: Hoare triple {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:50,002 INFO L273 TraceCheckUtils]: 14: Hoare triple {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:50,003 INFO L273 TraceCheckUtils]: 15: Hoare triple {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:50,004 INFO L273 TraceCheckUtils]: 16: Hoare triple {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:35:50,005 INFO L273 TraceCheckUtils]: 17: Hoare triple {9734#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {9759#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:35:50,008 INFO L273 TraceCheckUtils]: 18: Hoare triple {9759#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {9759#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:35:50,008 INFO L273 TraceCheckUtils]: 19: Hoare triple {9759#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {9759#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:35:50,009 INFO L273 TraceCheckUtils]: 20: Hoare triple {9759#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {9759#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:35:50,011 INFO L273 TraceCheckUtils]: 21: Hoare triple {9759#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {9772#(= (bvadd main_~__VERIFIER_assert__cond~14 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:50,019 INFO L273 TraceCheckUtils]: 22: Hoare triple {9772#(= (bvadd main_~__VERIFIER_assert__cond~14 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~14; {9701#false} is VALID [2018-11-23 11:35:50,019 INFO L273 TraceCheckUtils]: 23: Hoare triple {9701#false} assume !false; {9701#false} is VALID [2018-11-23 11:35:50,021 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 11:35:50,021 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (17)] Exception during sending of exit command (exit): Broken pipe [2018-11-23 11:35:50,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:50,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 11:35:50,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-23 11:35:50,028 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:50,028 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-23 11:35:50,082 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:50,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 11:35:50,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 11:35:50,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:35:50,083 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 7 states. [2018-11-23 11:35:52,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:52,874 INFO L93 Difference]: Finished difference Result 258 states and 286 transitions. [2018-11-23 11:35:52,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 11:35:52,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-23 11:35:52,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 11:35:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 233 transitions. [2018-11-23 11:35:52,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 11:35:52,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 233 transitions. [2018-11-23 11:35:52,879 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 233 transitions. [2018-11-23 11:35:53,342 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 233 edges. 233 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:53,347 INFO L225 Difference]: With dead ends: 258 [2018-11-23 11:35:53,348 INFO L226 Difference]: Without dead ends: 256 [2018-11-23 11:35:53,348 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-11-23 11:35:53,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-11-23 11:35:53,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 102. [2018-11-23 11:35:53,485 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:53,485 INFO L82 GeneralOperation]: Start isEquivalent. First operand 256 states. Second operand 102 states. [2018-11-23 11:35:53,486 INFO L74 IsIncluded]: Start isIncluded. First operand 256 states. Second operand 102 states. [2018-11-23 11:35:53,486 INFO L87 Difference]: Start difference. First operand 256 states. Second operand 102 states. [2018-11-23 11:35:53,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:53,492 INFO L93 Difference]: Finished difference Result 256 states and 284 transitions. [2018-11-23 11:35:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 284 transitions. [2018-11-23 11:35:53,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:53,492 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:53,493 INFO L74 IsIncluded]: Start isIncluded. First operand 102 states. Second operand 256 states. [2018-11-23 11:35:53,493 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 256 states. [2018-11-23 11:35:53,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:53,498 INFO L93 Difference]: Finished difference Result 256 states and 284 transitions. [2018-11-23 11:35:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 284 transitions. [2018-11-23 11:35:53,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:53,499 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:53,499 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:53,499 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-23 11:35:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2018-11-23 11:35:53,501 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 24 [2018-11-23 11:35:53,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:53,501 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2018-11-23 11:35:53,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 11:35:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2018-11-23 11:35:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 11:35:53,502 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:53,502 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:53,502 INFO L423 AbstractCegarLoop]: === Iteration 17 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:53,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:53,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1017916667, now seen corresponding path program 1 times [2018-11-23 11:35:53,503 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:53,503 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 18 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 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:53,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:53,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:53,648 INFO L256 TraceCheckUtils]: 0: Hoare triple {10713#true} call ULTIMATE.init(); {10713#true} is VALID [2018-11-23 11:35:53,648 INFO L273 TraceCheckUtils]: 1: Hoare triple {10713#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {10713#true} is VALID [2018-11-23 11:35:53,649 INFO L273 TraceCheckUtils]: 2: Hoare triple {10713#true} assume true; {10713#true} is VALID [2018-11-23 11:35:53,649 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {10713#true} {10713#true} #139#return; {10713#true} is VALID [2018-11-23 11:35:53,649 INFO L256 TraceCheckUtils]: 4: Hoare triple {10713#true} call #t~ret4 := main(); {10713#true} is VALID [2018-11-23 11:35:53,649 INFO L273 TraceCheckUtils]: 5: Hoare triple {10713#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {10713#true} is VALID [2018-11-23 11:35:53,649 INFO L273 TraceCheckUtils]: 6: Hoare triple {10713#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {10713#true} is VALID [2018-11-23 11:35:53,650 INFO L273 TraceCheckUtils]: 7: Hoare triple {10713#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {10739#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,653 INFO L273 TraceCheckUtils]: 8: Hoare triple {10739#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {10739#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,654 INFO L273 TraceCheckUtils]: 9: Hoare triple {10739#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {10739#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,654 INFO L273 TraceCheckUtils]: 10: Hoare triple {10739#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {10739#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,654 INFO L273 TraceCheckUtils]: 11: Hoare triple {10739#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {10739#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,655 INFO L273 TraceCheckUtils]: 12: Hoare triple {10739#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {10739#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,655 INFO L273 TraceCheckUtils]: 13: Hoare triple {10739#(= (_ bv0 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {10739#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,655 INFO L273 TraceCheckUtils]: 14: Hoare triple {10739#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {10739#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,656 INFO L273 TraceCheckUtils]: 15: Hoare triple {10739#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {10739#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,656 INFO L273 TraceCheckUtils]: 16: Hoare triple {10739#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {10739#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,657 INFO L273 TraceCheckUtils]: 17: Hoare triple {10739#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {10770#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,657 INFO L273 TraceCheckUtils]: 18: Hoare triple {10770#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {10770#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,657 INFO L273 TraceCheckUtils]: 19: Hoare triple {10770#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {10770#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,658 INFO L273 TraceCheckUtils]: 20: Hoare triple {10770#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {10770#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,659 INFO L273 TraceCheckUtils]: 21: Hoare triple {10770#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {10783#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:35:53,659 INFO L273 TraceCheckUtils]: 22: Hoare triple {10783#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {10787#(= (bvadd main_~__VERIFIER_assert__cond~15 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:35:53,660 INFO L273 TraceCheckUtils]: 23: Hoare triple {10787#(= (bvadd main_~__VERIFIER_assert__cond~15 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~15; {10714#false} is VALID [2018-11-23 11:35:53,660 INFO L273 TraceCheckUtils]: 24: Hoare triple {10714#false} assume !false; {10714#false} is VALID [2018-11-23 11:35:53,662 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 11:35:53,662 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:35:53,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:35:53,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:35:53,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-23 11:35:53,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:53,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 11:35:53,720 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 11:35:53,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:35:53,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:35:53,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:35:53,721 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 6 states. [2018-11-23 11:35:56,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:56,050 INFO L93 Difference]: Finished difference Result 350 states and 388 transitions. [2018-11-23 11:35:56,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 11:35:56,051 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-23 11:35:56,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:35:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 317 transitions. [2018-11-23 11:35:56,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:35:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 317 transitions. [2018-11-23 11:35:56,055 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 317 transitions. [2018-11-23 11:35:56,441 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 317 edges. 317 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:56,448 INFO L225 Difference]: With dead ends: 350 [2018-11-23 11:35:56,449 INFO L226 Difference]: Without dead ends: 348 [2018-11-23 11:35:56,449 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:35:56,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-11-23 11:35:56,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 103. [2018-11-23 11:35:56,651 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:56,651 INFO L82 GeneralOperation]: Start isEquivalent. First operand 348 states. Second operand 103 states. [2018-11-23 11:35:56,651 INFO L74 IsIncluded]: Start isIncluded. First operand 348 states. Second operand 103 states. [2018-11-23 11:35:56,651 INFO L87 Difference]: Start difference. First operand 348 states. Second operand 103 states. [2018-11-23 11:35:56,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:56,660 INFO L93 Difference]: Finished difference Result 348 states and 386 transitions. [2018-11-23 11:35:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 386 transitions. [2018-11-23 11:35:56,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:56,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:56,661 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand 348 states. [2018-11-23 11:35:56,661 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 348 states. [2018-11-23 11:35:56,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:56,670 INFO L93 Difference]: Finished difference Result 348 states and 386 transitions. [2018-11-23 11:35:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 386 transitions. [2018-11-23 11:35:56,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:56,671 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:56,671 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:56,671 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:56,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-23 11:35:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-11-23 11:35:56,673 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 25 [2018-11-23 11:35:56,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:56,673 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-11-23 11:35:56,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:35:56,674 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-11-23 11:35:56,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 11:35:56,674 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:56,674 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:56,675 INFO L423 AbstractCegarLoop]: === Iteration 18 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:56,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:56,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1002377772, now seen corresponding path program 1 times [2018-11-23 11:35:56,675 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:56,675 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 19 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 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:56,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:56,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:56,810 INFO L256 TraceCheckUtils]: 0: Hoare triple {12007#true} call ULTIMATE.init(); {12007#true} is VALID [2018-11-23 11:35:56,810 INFO L273 TraceCheckUtils]: 1: Hoare triple {12007#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {12007#true} is VALID [2018-11-23 11:35:56,811 INFO L273 TraceCheckUtils]: 2: Hoare triple {12007#true} assume true; {12007#true} is VALID [2018-11-23 11:35:56,811 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {12007#true} {12007#true} #139#return; {12007#true} is VALID [2018-11-23 11:35:56,811 INFO L256 TraceCheckUtils]: 4: Hoare triple {12007#true} call #t~ret4 := main(); {12007#true} is VALID [2018-11-23 11:35:56,811 INFO L273 TraceCheckUtils]: 5: Hoare triple {12007#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {12007#true} is VALID [2018-11-23 11:35:56,812 INFO L273 TraceCheckUtils]: 6: Hoare triple {12007#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,813 INFO L273 TraceCheckUtils]: 7: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,813 INFO L273 TraceCheckUtils]: 8: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,813 INFO L273 TraceCheckUtils]: 9: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,814 INFO L273 TraceCheckUtils]: 10: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,814 INFO L273 TraceCheckUtils]: 11: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,814 INFO L273 TraceCheckUtils]: 12: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,815 INFO L273 TraceCheckUtils]: 13: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,815 INFO L273 TraceCheckUtils]: 14: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,815 INFO L273 TraceCheckUtils]: 15: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,816 INFO L273 TraceCheckUtils]: 16: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,816 INFO L273 TraceCheckUtils]: 17: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {12030#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,817 INFO L273 TraceCheckUtils]: 18: Hoare triple {12030#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {12067#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,817 INFO L273 TraceCheckUtils]: 19: Hoare triple {12067#(= (_ bv1 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {12067#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,818 INFO L273 TraceCheckUtils]: 20: Hoare triple {12067#(= (_ bv1 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {12067#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,818 INFO L273 TraceCheckUtils]: 21: Hoare triple {12067#(= (_ bv1 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {12067#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,839 INFO L273 TraceCheckUtils]: 22: Hoare triple {12067#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {12080#(= (_ bv1 32) main_~__VERIFIER_assert__cond~1)} is VALID [2018-11-23 11:35:56,851 INFO L273 TraceCheckUtils]: 23: Hoare triple {12080#(= (_ bv1 32) main_~__VERIFIER_assert__cond~1)} assume 0bv32 == ~__VERIFIER_assert__cond~1; {12008#false} is VALID [2018-11-23 11:35:56,851 INFO L273 TraceCheckUtils]: 24: Hoare triple {12008#false} assume !false; {12008#false} is VALID [2018-11-23 11:35:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:35:56,852 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:35:56,907 INFO L273 TraceCheckUtils]: 24: Hoare triple {12008#false} assume !false; {12008#false} is VALID [2018-11-23 11:35:56,908 INFO L273 TraceCheckUtils]: 23: Hoare triple {12090#(not (= main_~__VERIFIER_assert__cond~1 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~1; {12008#false} is VALID [2018-11-23 11:35:56,909 INFO L273 TraceCheckUtils]: 22: Hoare triple {12094#(bvsle (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {12090#(not (= main_~__VERIFIER_assert__cond~1 (_ bv0 32)))} is VALID [2018-11-23 11:35:56,909 INFO L273 TraceCheckUtils]: 21: Hoare triple {12094#(bvsle (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {12094#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,910 INFO L273 TraceCheckUtils]: 20: Hoare triple {12094#(bvsle (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {12094#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,910 INFO L273 TraceCheckUtils]: 19: Hoare triple {12094#(bvsle (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {12094#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,913 INFO L273 TraceCheckUtils]: 18: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {12094#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:56,913 INFO L273 TraceCheckUtils]: 17: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,914 INFO L273 TraceCheckUtils]: 16: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,914 INFO L273 TraceCheckUtils]: 15: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,914 INFO L273 TraceCheckUtils]: 14: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,915 INFO L273 TraceCheckUtils]: 13: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,915 INFO L273 TraceCheckUtils]: 12: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,915 INFO L273 TraceCheckUtils]: 11: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,916 INFO L273 TraceCheckUtils]: 10: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,919 INFO L273 TraceCheckUtils]: 9: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,919 INFO L273 TraceCheckUtils]: 8: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,920 INFO L273 TraceCheckUtils]: 7: Hoare triple {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,920 INFO L273 TraceCheckUtils]: 6: Hoare triple {12007#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {12107#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:56,920 INFO L273 TraceCheckUtils]: 5: Hoare triple {12007#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {12007#true} is VALID [2018-11-23 11:35:56,921 INFO L256 TraceCheckUtils]: 4: Hoare triple {12007#true} call #t~ret4 := main(); {12007#true} is VALID [2018-11-23 11:35:56,921 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {12007#true} {12007#true} #139#return; {12007#true} is VALID [2018-11-23 11:35:56,921 INFO L273 TraceCheckUtils]: 2: Hoare triple {12007#true} assume true; {12007#true} is VALID [2018-11-23 11:35:56,921 INFO L273 TraceCheckUtils]: 1: Hoare triple {12007#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {12007#true} is VALID [2018-11-23 11:35:56,921 INFO L256 TraceCheckUtils]: 0: Hoare triple {12007#true} call ULTIMATE.init(); {12007#true} is VALID [2018-11-23 11:35:56,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:35:56,925 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:35:56,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-23 11:35:56,925 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-11-23 11:35:56,925 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:56,925 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 11:35:56,981 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:56,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 11:35:56,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 11:35:56,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:35:56,983 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 8 states. [2018-11-23 11:35:58,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:58,982 INFO L93 Difference]: Finished difference Result 287 states and 330 transitions. [2018-11-23 11:35:58,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 11:35:58,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-11-23 11:35:58,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:35:58,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:35:58,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 195 transitions. [2018-11-23 11:35:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:35:58,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 195 transitions. [2018-11-23 11:35:58,987 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 195 transitions. [2018-11-23 11:35:59,408 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:59,415 INFO L225 Difference]: With dead ends: 287 [2018-11-23 11:35:59,416 INFO L226 Difference]: Without dead ends: 285 [2018-11-23 11:35:59,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-23 11:35:59,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-11-23 11:35:59,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 166. [2018-11-23 11:35:59,699 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:35:59,699 INFO L82 GeneralOperation]: Start isEquivalent. First operand 285 states. Second operand 166 states. [2018-11-23 11:35:59,699 INFO L74 IsIncluded]: Start isIncluded. First operand 285 states. Second operand 166 states. [2018-11-23 11:35:59,699 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 166 states. [2018-11-23 11:35:59,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:59,705 INFO L93 Difference]: Finished difference Result 285 states and 325 transitions. [2018-11-23 11:35:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 325 transitions. [2018-11-23 11:35:59,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:59,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:59,706 INFO L74 IsIncluded]: Start isIncluded. First operand 166 states. Second operand 285 states. [2018-11-23 11:35:59,707 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 285 states. [2018-11-23 11:35:59,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:35:59,713 INFO L93 Difference]: Finished difference Result 285 states and 325 transitions. [2018-11-23 11:35:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 325 transitions. [2018-11-23 11:35:59,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:35:59,713 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:35:59,714 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:35:59,714 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:35:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-11-23 11:35:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 207 transitions. [2018-11-23 11:35:59,717 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 207 transitions. Word has length 25 [2018-11-23 11:35:59,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:35:59,717 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 207 transitions. [2018-11-23 11:35:59,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 11:35:59,717 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 207 transitions. [2018-11-23 11:35:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 11:35:59,717 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:35:59,718 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:35:59,718 INFO L423 AbstractCegarLoop]: === Iteration 19 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:35:59,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:35:59,718 INFO L82 PathProgramCache]: Analyzing trace with hash -910704933, now seen corresponding path program 1 times [2018-11-23 11:35:59,719 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:35:59,719 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 20 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 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:35:59,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:35:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:35:59,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:35:59,838 INFO L256 TraceCheckUtils]: 0: Hoare triple {13264#true} call ULTIMATE.init(); {13264#true} is VALID [2018-11-23 11:35:59,838 INFO L273 TraceCheckUtils]: 1: Hoare triple {13264#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {13264#true} is VALID [2018-11-23 11:35:59,838 INFO L273 TraceCheckUtils]: 2: Hoare triple {13264#true} assume true; {13264#true} is VALID [2018-11-23 11:35:59,838 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {13264#true} {13264#true} #139#return; {13264#true} is VALID [2018-11-23 11:35:59,838 INFO L256 TraceCheckUtils]: 4: Hoare triple {13264#true} call #t~ret4 := main(); {13264#true} is VALID [2018-11-23 11:35:59,839 INFO L273 TraceCheckUtils]: 5: Hoare triple {13264#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {13264#true} is VALID [2018-11-23 11:35:59,839 INFO L273 TraceCheckUtils]: 6: Hoare triple {13264#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,840 INFO L273 TraceCheckUtils]: 7: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,840 INFO L273 TraceCheckUtils]: 8: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,841 INFO L273 TraceCheckUtils]: 9: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,841 INFO L273 TraceCheckUtils]: 10: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,842 INFO L273 TraceCheckUtils]: 11: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,842 INFO L273 TraceCheckUtils]: 12: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,843 INFO L273 TraceCheckUtils]: 13: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,843 INFO L273 TraceCheckUtils]: 14: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,844 INFO L273 TraceCheckUtils]: 15: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,845 INFO L273 TraceCheckUtils]: 16: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,845 INFO L273 TraceCheckUtils]: 17: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {13287#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,846 INFO L273 TraceCheckUtils]: 18: Hoare triple {13287#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {13324#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,847 INFO L273 TraceCheckUtils]: 19: Hoare triple {13324#(= (_ bv1 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {13324#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,847 INFO L273 TraceCheckUtils]: 20: Hoare triple {13324#(= (_ bv1 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {13324#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,848 INFO L273 TraceCheckUtils]: 21: Hoare triple {13324#(= (_ bv1 32) main_~main__i~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {13324#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,848 INFO L273 TraceCheckUtils]: 22: Hoare triple {13324#(= (_ bv1 32) main_~main__i~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {13324#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,849 INFO L273 TraceCheckUtils]: 23: Hoare triple {13324#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {13340#(= (_ bv1 32) main_~__VERIFIER_assert__cond~3)} is VALID [2018-11-23 11:35:59,850 INFO L273 TraceCheckUtils]: 24: Hoare triple {13340#(= (_ bv1 32) main_~__VERIFIER_assert__cond~3)} assume 0bv32 == ~__VERIFIER_assert__cond~3; {13265#false} is VALID [2018-11-23 11:35:59,850 INFO L273 TraceCheckUtils]: 25: Hoare triple {13265#false} assume !false; {13265#false} is VALID [2018-11-23 11:35:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:35:59,851 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:35:59,906 INFO L273 TraceCheckUtils]: 25: Hoare triple {13265#false} assume !false; {13265#false} is VALID [2018-11-23 11:35:59,906 INFO L273 TraceCheckUtils]: 24: Hoare triple {13350#(not (= main_~__VERIFIER_assert__cond~3 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~3; {13265#false} is VALID [2018-11-23 11:35:59,907 INFO L273 TraceCheckUtils]: 23: Hoare triple {13354#(bvsle (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {13350#(not (= main_~__VERIFIER_assert__cond~3 (_ bv0 32)))} is VALID [2018-11-23 11:35:59,908 INFO L273 TraceCheckUtils]: 22: Hoare triple {13354#(bvsle (_ bv0 32) main_~main__i~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {13354#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,908 INFO L273 TraceCheckUtils]: 21: Hoare triple {13354#(bvsle (_ bv0 32) main_~main__i~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {13354#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,909 INFO L273 TraceCheckUtils]: 20: Hoare triple {13354#(bvsle (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {13354#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,909 INFO L273 TraceCheckUtils]: 19: Hoare triple {13354#(bvsle (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {13354#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,913 INFO L273 TraceCheckUtils]: 18: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {13354#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:35:59,914 INFO L273 TraceCheckUtils]: 17: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,914 INFO L273 TraceCheckUtils]: 16: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,914 INFO L273 TraceCheckUtils]: 15: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,915 INFO L273 TraceCheckUtils]: 14: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,915 INFO L273 TraceCheckUtils]: 13: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,915 INFO L273 TraceCheckUtils]: 12: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,916 INFO L273 TraceCheckUtils]: 11: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,916 INFO L273 TraceCheckUtils]: 10: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,916 INFO L273 TraceCheckUtils]: 9: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,917 INFO L273 TraceCheckUtils]: 8: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,917 INFO L273 TraceCheckUtils]: 7: Hoare triple {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,918 INFO L273 TraceCheckUtils]: 6: Hoare triple {13264#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {13370#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:35:59,918 INFO L273 TraceCheckUtils]: 5: Hoare triple {13264#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {13264#true} is VALID [2018-11-23 11:35:59,919 INFO L256 TraceCheckUtils]: 4: Hoare triple {13264#true} call #t~ret4 := main(); {13264#true} is VALID [2018-11-23 11:35:59,919 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {13264#true} {13264#true} #139#return; {13264#true} is VALID [2018-11-23 11:35:59,919 INFO L273 TraceCheckUtils]: 2: Hoare triple {13264#true} assume true; {13264#true} is VALID [2018-11-23 11:35:59,919 INFO L273 TraceCheckUtils]: 1: Hoare triple {13264#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {13264#true} is VALID [2018-11-23 11:35:59,920 INFO L256 TraceCheckUtils]: 0: Hoare triple {13264#true} call ULTIMATE.init(); {13264#true} is VALID [2018-11-23 11:35:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:35:59,922 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:35:59,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-23 11:35:59,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-11-23 11:35:59,923 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:35:59,923 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 11:35:59,983 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:35:59,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 11:35:59,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 11:35:59,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:35:59,985 INFO L87 Difference]: Start difference. First operand 166 states and 207 transitions. Second operand 8 states. [2018-11-23 11:36:03,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:03,044 INFO L93 Difference]: Finished difference Result 419 states and 483 transitions. [2018-11-23 11:36:03,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 11:36:03,045 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-11-23 11:36:03,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:36:03,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:36:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 280 transitions. [2018-11-23 11:36:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:36:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 280 transitions. [2018-11-23 11:36:03,049 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 280 transitions. [2018-11-23 11:36:03,450 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 280 edges. 280 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:03,461 INFO L225 Difference]: With dead ends: 419 [2018-11-23 11:36:03,461 INFO L226 Difference]: Without dead ends: 409 [2018-11-23 11:36:03,461 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-11-23 11:36:03,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-11-23 11:36:03,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 169. [2018-11-23 11:36:03,861 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:36:03,861 INFO L82 GeneralOperation]: Start isEquivalent. First operand 409 states. Second operand 169 states. [2018-11-23 11:36:03,861 INFO L74 IsIncluded]: Start isIncluded. First operand 409 states. Second operand 169 states. [2018-11-23 11:36:03,861 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 169 states. [2018-11-23 11:36:03,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:03,870 INFO L93 Difference]: Finished difference Result 409 states and 465 transitions. [2018-11-23 11:36:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 465 transitions. [2018-11-23 11:36:03,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:03,871 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:03,871 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 409 states. [2018-11-23 11:36:03,871 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 409 states. [2018-11-23 11:36:03,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:03,880 INFO L93 Difference]: Finished difference Result 409 states and 465 transitions. [2018-11-23 11:36:03,880 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 465 transitions. [2018-11-23 11:36:03,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:03,881 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:03,881 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:36:03,882 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:36:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-11-23 11:36:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 206 transitions. [2018-11-23 11:36:03,885 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 206 transitions. Word has length 26 [2018-11-23 11:36:03,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:36:03,885 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 206 transitions. [2018-11-23 11:36:03,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 11:36:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 206 transitions. [2018-11-23 11:36:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 11:36:03,885 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:36:03,886 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:36:03,886 INFO L423 AbstractCegarLoop]: === Iteration 20 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:36:03,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:36:03,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1832921243, now seen corresponding path program 1 times [2018-11-23 11:36:03,887 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:36:03,887 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 21 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 21 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:36:03,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:36:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:03,963 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:36:04,163 INFO L256 TraceCheckUtils]: 0: Hoare triple {14929#true} call ULTIMATE.init(); {14929#true} is VALID [2018-11-23 11:36:04,163 INFO L273 TraceCheckUtils]: 1: Hoare triple {14929#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {14929#true} is VALID [2018-11-23 11:36:04,163 INFO L273 TraceCheckUtils]: 2: Hoare triple {14929#true} assume true; {14929#true} is VALID [2018-11-23 11:36:04,164 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {14929#true} {14929#true} #139#return; {14929#true} is VALID [2018-11-23 11:36:04,164 INFO L256 TraceCheckUtils]: 4: Hoare triple {14929#true} call #t~ret4 := main(); {14929#true} is VALID [2018-11-23 11:36:04,164 INFO L273 TraceCheckUtils]: 5: Hoare triple {14929#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {14929#true} is VALID [2018-11-23 11:36:04,165 INFO L273 TraceCheckUtils]: 6: Hoare triple {14929#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {14952#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:04,165 INFO L273 TraceCheckUtils]: 7: Hoare triple {14952#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {14956#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:04,166 INFO L273 TraceCheckUtils]: 8: Hoare triple {14956#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {14956#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:04,167 INFO L273 TraceCheckUtils]: 9: Hoare triple {14956#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:04,170 INFO L273 TraceCheckUtils]: 10: Hoare triple {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:04,172 INFO L273 TraceCheckUtils]: 11: Hoare triple {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:04,173 INFO L273 TraceCheckUtils]: 12: Hoare triple {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:04,176 INFO L273 TraceCheckUtils]: 13: Hoare triple {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:04,179 INFO L273 TraceCheckUtils]: 14: Hoare triple {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:04,181 INFO L273 TraceCheckUtils]: 15: Hoare triple {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:04,182 INFO L273 TraceCheckUtils]: 16: Hoare triple {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:04,183 INFO L273 TraceCheckUtils]: 17: Hoare triple {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:04,184 INFO L273 TraceCheckUtils]: 18: Hoare triple {14963#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:04,185 INFO L273 TraceCheckUtils]: 19: Hoare triple {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~main__i~0, ~main__len~0); {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:04,186 INFO L273 TraceCheckUtils]: 20: Hoare triple {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~main__j~0, ~main__limit~0); {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:04,187 INFO L273 TraceCheckUtils]: 21: Hoare triple {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:04,187 INFO L273 TraceCheckUtils]: 22: Hoare triple {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:04,188 INFO L273 TraceCheckUtils]: 23: Hoare triple {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:04,191 INFO L273 TraceCheckUtils]: 24: Hoare triple {14991#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {15010#(= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:36:04,192 INFO L273 TraceCheckUtils]: 25: Hoare triple {15010#(= (bvadd main_~__VERIFIER_assert__cond~4 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~4; {14930#false} is VALID [2018-11-23 11:36:04,192 INFO L273 TraceCheckUtils]: 26: Hoare triple {14930#false} assume !false; {14930#false} is VALID [2018-11-23 11:36:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:04,195 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:36:04,457 INFO L273 TraceCheckUtils]: 26: Hoare triple {14930#false} assume !false; {14930#false} is VALID [2018-11-23 11:36:04,458 INFO L273 TraceCheckUtils]: 25: Hoare triple {15020#(not (= main_~__VERIFIER_assert__cond~4 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~4; {14930#false} is VALID [2018-11-23 11:36:04,459 INFO L273 TraceCheckUtils]: 24: Hoare triple {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {15020#(not (= main_~__VERIFIER_assert__cond~4 (_ bv0 32)))} is VALID [2018-11-23 11:36:04,459 INFO L273 TraceCheckUtils]: 23: Hoare triple {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,460 INFO L273 TraceCheckUtils]: 22: Hoare triple {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,460 INFO L273 TraceCheckUtils]: 21: Hoare triple {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,461 INFO L273 TraceCheckUtils]: 20: Hoare triple {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,462 INFO L273 TraceCheckUtils]: 19: Hoare triple {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,462 INFO L273 TraceCheckUtils]: 18: Hoare triple {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {15024#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,463 INFO L273 TraceCheckUtils]: 17: Hoare triple {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,463 INFO L273 TraceCheckUtils]: 16: Hoare triple {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,464 INFO L273 TraceCheckUtils]: 15: Hoare triple {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,465 INFO L273 TraceCheckUtils]: 14: Hoare triple {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,465 INFO L273 TraceCheckUtils]: 13: Hoare triple {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,466 INFO L273 TraceCheckUtils]: 12: Hoare triple {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,466 INFO L273 TraceCheckUtils]: 11: Hoare triple {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,467 INFO L273 TraceCheckUtils]: 10: Hoare triple {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,467 INFO L273 TraceCheckUtils]: 9: Hoare triple {15071#(or (not (bvslt main_~main__j~0 main_~main__limit~0)) (bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {15043#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:04,468 INFO L273 TraceCheckUtils]: 8: Hoare triple {15071#(or (not (bvslt main_~main__j~0 main_~main__limit~0)) (bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {15071#(or (not (bvslt main_~main__j~0 main_~main__limit~0)) (bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:04,469 INFO L273 TraceCheckUtils]: 7: Hoare triple {15078#(or (bvslt (_ bv1 32) main_~main__bufsize~0) (not (bvslt (_ bv0 32) main_~main__limit~0)))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {15071#(or (not (bvslt main_~main__j~0 main_~main__limit~0)) (bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:04,471 INFO L273 TraceCheckUtils]: 6: Hoare triple {14929#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {15078#(or (bvslt (_ bv1 32) main_~main__bufsize~0) (not (bvslt (_ bv0 32) main_~main__limit~0)))} is VALID [2018-11-23 11:36:04,471 INFO L273 TraceCheckUtils]: 5: Hoare triple {14929#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {14929#true} is VALID [2018-11-23 11:36:04,471 INFO L256 TraceCheckUtils]: 4: Hoare triple {14929#true} call #t~ret4 := main(); {14929#true} is VALID [2018-11-23 11:36:04,471 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {14929#true} {14929#true} #139#return; {14929#true} is VALID [2018-11-23 11:36:04,472 INFO L273 TraceCheckUtils]: 2: Hoare triple {14929#true} assume true; {14929#true} is VALID [2018-11-23 11:36:04,472 INFO L273 TraceCheckUtils]: 1: Hoare triple {14929#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {14929#true} is VALID [2018-11-23 11:36:04,472 INFO L256 TraceCheckUtils]: 0: Hoare triple {14929#true} call ULTIMATE.init(); {14929#true} is VALID [2018-11-23 11:36:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:04,475 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:36:04,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 11:36:04,476 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-11-23 11:36:04,476 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:36:04,476 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-23 11:36:04,549 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:04,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 11:36:04,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 11:36:04,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-23 11:36:04,550 INFO L87 Difference]: Start difference. First operand 169 states and 206 transitions. Second operand 12 states. [2018-11-23 11:36:08,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:08,210 INFO L93 Difference]: Finished difference Result 354 states and 413 transitions. [2018-11-23 11:36:08,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 11:36:08,210 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-11-23 11:36:08,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:36:08,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 11:36:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 225 transitions. [2018-11-23 11:36:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 11:36:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 225 transitions. [2018-11-23 11:36:08,214 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 225 transitions. [2018-11-23 11:36:08,907 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 225 edges. 225 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:08,915 INFO L225 Difference]: With dead ends: 354 [2018-11-23 11:36:08,915 INFO L226 Difference]: Without dead ends: 352 [2018-11-23 11:36:08,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2018-11-23 11:36:08,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-11-23 11:36:09,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 167. [2018-11-23 11:36:09,339 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:36:09,339 INFO L82 GeneralOperation]: Start isEquivalent. First operand 352 states. Second operand 167 states. [2018-11-23 11:36:09,339 INFO L74 IsIncluded]: Start isIncluded. First operand 352 states. Second operand 167 states. [2018-11-23 11:36:09,339 INFO L87 Difference]: Start difference. First operand 352 states. Second operand 167 states. [2018-11-23 11:36:09,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:09,347 INFO L93 Difference]: Finished difference Result 352 states and 406 transitions. [2018-11-23 11:36:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 406 transitions. [2018-11-23 11:36:09,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:09,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:09,348 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand 352 states. [2018-11-23 11:36:09,348 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 352 states. [2018-11-23 11:36:09,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:09,355 INFO L93 Difference]: Finished difference Result 352 states and 406 transitions. [2018-11-23 11:36:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 406 transitions. [2018-11-23 11:36:09,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:09,356 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:09,356 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:36:09,356 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:36:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-11-23 11:36:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 202 transitions. [2018-11-23 11:36:09,359 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 202 transitions. Word has length 27 [2018-11-23 11:36:09,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:36:09,360 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 202 transitions. [2018-11-23 11:36:09,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 11:36:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 202 transitions. [2018-11-23 11:36:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 11:36:09,360 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:36:09,360 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:36:09,361 INFO L423 AbstractCegarLoop]: === Iteration 21 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:36:09,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:36:09,361 INFO L82 PathProgramCache]: Analyzing trace with hash 985986785, now seen corresponding path program 1 times [2018-11-23 11:36:09,362 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:36:09,362 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 22 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 22 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:36:09,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:36:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:09,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:36:09,518 INFO L256 TraceCheckUtils]: 0: Hoare triple {16437#true} call ULTIMATE.init(); {16437#true} is VALID [2018-11-23 11:36:09,518 INFO L273 TraceCheckUtils]: 1: Hoare triple {16437#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {16437#true} is VALID [2018-11-23 11:36:09,518 INFO L273 TraceCheckUtils]: 2: Hoare triple {16437#true} assume true; {16437#true} is VALID [2018-11-23 11:36:09,519 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {16437#true} {16437#true} #139#return; {16437#true} is VALID [2018-11-23 11:36:09,519 INFO L256 TraceCheckUtils]: 4: Hoare triple {16437#true} call #t~ret4 := main(); {16437#true} is VALID [2018-11-23 11:36:09,519 INFO L273 TraceCheckUtils]: 5: Hoare triple {16437#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {16437#true} is VALID [2018-11-23 11:36:09,519 INFO L273 TraceCheckUtils]: 6: Hoare triple {16437#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {16437#true} is VALID [2018-11-23 11:36:09,520 INFO L273 TraceCheckUtils]: 7: Hoare triple {16437#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,520 INFO L273 TraceCheckUtils]: 8: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,521 INFO L273 TraceCheckUtils]: 9: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,521 INFO L273 TraceCheckUtils]: 10: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,522 INFO L273 TraceCheckUtils]: 11: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,522 INFO L273 TraceCheckUtils]: 12: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,522 INFO L273 TraceCheckUtils]: 13: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,523 INFO L273 TraceCheckUtils]: 14: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,523 INFO L273 TraceCheckUtils]: 15: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,523 INFO L273 TraceCheckUtils]: 16: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,524 INFO L273 TraceCheckUtils]: 17: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {16463#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,533 INFO L273 TraceCheckUtils]: 18: Hoare triple {16463#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {16497#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,540 INFO L273 TraceCheckUtils]: 19: Hoare triple {16497#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {16497#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,541 INFO L273 TraceCheckUtils]: 20: Hoare triple {16497#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {16497#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,542 INFO L273 TraceCheckUtils]: 21: Hoare triple {16497#(= (_ bv1 32) main_~main__j~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {16497#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,546 INFO L273 TraceCheckUtils]: 22: Hoare triple {16497#(= (_ bv1 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {16497#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,546 INFO L273 TraceCheckUtils]: 23: Hoare triple {16497#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {16497#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,548 INFO L273 TraceCheckUtils]: 24: Hoare triple {16497#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {16497#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,548 INFO L273 TraceCheckUtils]: 25: Hoare triple {16497#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {16519#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:36:09,550 INFO L273 TraceCheckUtils]: 26: Hoare triple {16519#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {16438#false} is VALID [2018-11-23 11:36:09,550 INFO L273 TraceCheckUtils]: 27: Hoare triple {16438#false} assume !false; {16438#false} is VALID [2018-11-23 11:36:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:09,551 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:36:09,614 INFO L273 TraceCheckUtils]: 27: Hoare triple {16438#false} assume !false; {16438#false} is VALID [2018-11-23 11:36:09,615 INFO L273 TraceCheckUtils]: 26: Hoare triple {16529#(not (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {16438#false} is VALID [2018-11-23 11:36:09,616 INFO L273 TraceCheckUtils]: 25: Hoare triple {16533#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {16529#(not (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)))} is VALID [2018-11-23 11:36:09,616 INFO L273 TraceCheckUtils]: 24: Hoare triple {16533#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {16533#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,617 INFO L273 TraceCheckUtils]: 23: Hoare triple {16533#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {16533#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,617 INFO L273 TraceCheckUtils]: 22: Hoare triple {16533#(bvsle (_ bv0 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {16533#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,618 INFO L273 TraceCheckUtils]: 21: Hoare triple {16533#(bvsle (_ bv0 32) main_~main__j~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {16533#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,618 INFO L273 TraceCheckUtils]: 20: Hoare triple {16533#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {16533#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,619 INFO L273 TraceCheckUtils]: 19: Hoare triple {16533#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {16533#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,619 INFO L273 TraceCheckUtils]: 18: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {16533#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:09,620 INFO L273 TraceCheckUtils]: 17: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,621 INFO L273 TraceCheckUtils]: 16: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,621 INFO L273 TraceCheckUtils]: 15: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,622 INFO L273 TraceCheckUtils]: 14: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,622 INFO L273 TraceCheckUtils]: 13: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,623 INFO L273 TraceCheckUtils]: 12: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,623 INFO L273 TraceCheckUtils]: 11: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,624 INFO L273 TraceCheckUtils]: 10: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,624 INFO L273 TraceCheckUtils]: 9: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,625 INFO L273 TraceCheckUtils]: 8: Hoare triple {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,625 INFO L273 TraceCheckUtils]: 7: Hoare triple {16437#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {16555#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:09,626 INFO L273 TraceCheckUtils]: 6: Hoare triple {16437#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {16437#true} is VALID [2018-11-23 11:36:09,626 INFO L273 TraceCheckUtils]: 5: Hoare triple {16437#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {16437#true} is VALID [2018-11-23 11:36:09,626 INFO L256 TraceCheckUtils]: 4: Hoare triple {16437#true} call #t~ret4 := main(); {16437#true} is VALID [2018-11-23 11:36:09,626 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {16437#true} {16437#true} #139#return; {16437#true} is VALID [2018-11-23 11:36:09,626 INFO L273 TraceCheckUtils]: 2: Hoare triple {16437#true} assume true; {16437#true} is VALID [2018-11-23 11:36:09,627 INFO L273 TraceCheckUtils]: 1: Hoare triple {16437#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {16437#true} is VALID [2018-11-23 11:36:09,627 INFO L256 TraceCheckUtils]: 0: Hoare triple {16437#true} call ULTIMATE.init(); {16437#true} is VALID [2018-11-23 11:36:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:09,630 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:36:09,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-23 11:36:09,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-11-23 11:36:09,631 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:36:09,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 11:36:09,691 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:09,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 11:36:09,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 11:36:09,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:36:09,692 INFO L87 Difference]: Start difference. First operand 167 states and 202 transitions. Second operand 8 states. [2018-11-23 11:36:13,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:13,026 INFO L93 Difference]: Finished difference Result 584 states and 664 transitions. [2018-11-23 11:36:13,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 11:36:13,026 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-11-23 11:36:13,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:36:13,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:36:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 406 transitions. [2018-11-23 11:36:13,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:36:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 406 transitions. [2018-11-23 11:36:13,031 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 406 transitions. [2018-11-23 11:36:13,571 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 406 edges. 406 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:13,588 INFO L225 Difference]: With dead ends: 584 [2018-11-23 11:36:13,588 INFO L226 Difference]: Without dead ends: 567 [2018-11-23 11:36:13,589 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2018-11-23 11:36:13,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2018-11-23 11:36:14,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 189. [2018-11-23 11:36:14,040 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:36:14,040 INFO L82 GeneralOperation]: Start isEquivalent. First operand 567 states. Second operand 189 states. [2018-11-23 11:36:14,040 INFO L74 IsIncluded]: Start isIncluded. First operand 567 states. Second operand 189 states. [2018-11-23 11:36:14,041 INFO L87 Difference]: Start difference. First operand 567 states. Second operand 189 states. [2018-11-23 11:36:14,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:14,055 INFO L93 Difference]: Finished difference Result 567 states and 636 transitions. [2018-11-23 11:36:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 636 transitions. [2018-11-23 11:36:14,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:14,056 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:14,056 INFO L74 IsIncluded]: Start isIncluded. First operand 189 states. Second operand 567 states. [2018-11-23 11:36:14,056 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 567 states. [2018-11-23 11:36:14,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:14,073 INFO L93 Difference]: Finished difference Result 567 states and 636 transitions. [2018-11-23 11:36:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 636 transitions. [2018-11-23 11:36:14,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:14,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:14,075 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:36:14,075 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:36:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-11-23 11:36:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 230 transitions. [2018-11-23 11:36:14,078 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 230 transitions. Word has length 28 [2018-11-23 11:36:14,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:36:14,078 INFO L480 AbstractCegarLoop]: Abstraction has 189 states and 230 transitions. [2018-11-23 11:36:14,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 11:36:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 230 transitions. [2018-11-23 11:36:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 11:36:14,079 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:36:14,079 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:36:14,080 INFO L423 AbstractCegarLoop]: === Iteration 22 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:36:14,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:36:14,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1026691398, now seen corresponding path program 1 times [2018-11-23 11:36:14,080 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:36:14,080 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 23 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 23 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:36:14,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:36:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:14,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:36:14,318 INFO L256 TraceCheckUtils]: 0: Hoare triple {18656#true} call ULTIMATE.init(); {18656#true} is VALID [2018-11-23 11:36:14,318 INFO L273 TraceCheckUtils]: 1: Hoare triple {18656#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {18656#true} is VALID [2018-11-23 11:36:14,319 INFO L273 TraceCheckUtils]: 2: Hoare triple {18656#true} assume true; {18656#true} is VALID [2018-11-23 11:36:14,319 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {18656#true} {18656#true} #139#return; {18656#true} is VALID [2018-11-23 11:36:14,319 INFO L256 TraceCheckUtils]: 4: Hoare triple {18656#true} call #t~ret4 := main(); {18656#true} is VALID [2018-11-23 11:36:14,319 INFO L273 TraceCheckUtils]: 5: Hoare triple {18656#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {18656#true} is VALID [2018-11-23 11:36:14,319 INFO L273 TraceCheckUtils]: 6: Hoare triple {18656#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {18679#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:14,320 INFO L273 TraceCheckUtils]: 7: Hoare triple {18679#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {18683#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:14,320 INFO L273 TraceCheckUtils]: 8: Hoare triple {18683#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {18683#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:14,322 INFO L273 TraceCheckUtils]: 9: Hoare triple {18683#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:14,324 INFO L273 TraceCheckUtils]: 10: Hoare triple {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:14,326 INFO L273 TraceCheckUtils]: 11: Hoare triple {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:14,327 INFO L273 TraceCheckUtils]: 12: Hoare triple {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:14,329 INFO L273 TraceCheckUtils]: 13: Hoare triple {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:14,331 INFO L273 TraceCheckUtils]: 14: Hoare triple {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:14,333 INFO L273 TraceCheckUtils]: 15: Hoare triple {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:14,335 INFO L273 TraceCheckUtils]: 16: Hoare triple {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:14,337 INFO L273 TraceCheckUtils]: 17: Hoare triple {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:14,338 INFO L273 TraceCheckUtils]: 18: Hoare triple {18690#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:14,339 INFO L273 TraceCheckUtils]: 19: Hoare triple {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~main__i~0, ~main__len~0); {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:14,339 INFO L273 TraceCheckUtils]: 20: Hoare triple {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~main__j~0, ~main__limit~0); {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:14,340 INFO L273 TraceCheckUtils]: 21: Hoare triple {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:14,340 INFO L273 TraceCheckUtils]: 22: Hoare triple {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:14,341 INFO L273 TraceCheckUtils]: 23: Hoare triple {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:14,341 INFO L273 TraceCheckUtils]: 24: Hoare triple {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:14,342 INFO L273 TraceCheckUtils]: 25: Hoare triple {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:14,344 INFO L273 TraceCheckUtils]: 26: Hoare triple {18718#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {18743#(= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:36:14,344 INFO L273 TraceCheckUtils]: 27: Hoare triple {18743#(= (bvadd main_~__VERIFIER_assert__cond~8 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~8; {18657#false} is VALID [2018-11-23 11:36:14,345 INFO L273 TraceCheckUtils]: 28: Hoare triple {18657#false} assume !false; {18657#false} is VALID [2018-11-23 11:36:14,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:14,348 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:36:14,527 INFO L273 TraceCheckUtils]: 28: Hoare triple {18657#false} assume !false; {18657#false} is VALID [2018-11-23 11:36:14,528 INFO L273 TraceCheckUtils]: 27: Hoare triple {18753#(not (= main_~__VERIFIER_assert__cond~8 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~8; {18657#false} is VALID [2018-11-23 11:36:14,528 INFO L273 TraceCheckUtils]: 26: Hoare triple {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {18753#(not (= main_~__VERIFIER_assert__cond~8 (_ bv0 32)))} is VALID [2018-11-23 11:36:14,529 INFO L273 TraceCheckUtils]: 25: Hoare triple {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,529 INFO L273 TraceCheckUtils]: 24: Hoare triple {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,530 INFO L273 TraceCheckUtils]: 23: Hoare triple {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,530 INFO L273 TraceCheckUtils]: 22: Hoare triple {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,531 INFO L273 TraceCheckUtils]: 21: Hoare triple {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,531 INFO L273 TraceCheckUtils]: 20: Hoare triple {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,532 INFO L273 TraceCheckUtils]: 19: Hoare triple {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,533 INFO L273 TraceCheckUtils]: 18: Hoare triple {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {18757#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,533 INFO L273 TraceCheckUtils]: 17: Hoare triple {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,534 INFO L273 TraceCheckUtils]: 16: Hoare triple {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,534 INFO L273 TraceCheckUtils]: 15: Hoare triple {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,535 INFO L273 TraceCheckUtils]: 14: Hoare triple {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,535 INFO L273 TraceCheckUtils]: 13: Hoare triple {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,536 INFO L273 TraceCheckUtils]: 12: Hoare triple {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,536 INFO L273 TraceCheckUtils]: 11: Hoare triple {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,537 INFO L273 TraceCheckUtils]: 10: Hoare triple {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,537 INFO L273 TraceCheckUtils]: 9: Hoare triple {18810#(or (not (bvslt main_~main__j~0 main_~main__limit~0)) (bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {18782#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:14,538 INFO L273 TraceCheckUtils]: 8: Hoare triple {18810#(or (not (bvslt main_~main__j~0 main_~main__limit~0)) (bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {18810#(or (not (bvslt main_~main__j~0 main_~main__limit~0)) (bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:14,538 INFO L273 TraceCheckUtils]: 7: Hoare triple {18817#(or (bvslt (_ bv1 32) main_~main__bufsize~0) (not (bvslt (_ bv0 32) main_~main__limit~0)))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {18810#(or (not (bvslt main_~main__j~0 main_~main__limit~0)) (bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:14,540 INFO L273 TraceCheckUtils]: 6: Hoare triple {18656#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {18817#(or (bvslt (_ bv1 32) main_~main__bufsize~0) (not (bvslt (_ bv0 32) main_~main__limit~0)))} is VALID [2018-11-23 11:36:14,541 INFO L273 TraceCheckUtils]: 5: Hoare triple {18656#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {18656#true} is VALID [2018-11-23 11:36:14,541 INFO L256 TraceCheckUtils]: 4: Hoare triple {18656#true} call #t~ret4 := main(); {18656#true} is VALID [2018-11-23 11:36:14,541 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {18656#true} {18656#true} #139#return; {18656#true} is VALID [2018-11-23 11:36:14,541 INFO L273 TraceCheckUtils]: 2: Hoare triple {18656#true} assume true; {18656#true} is VALID [2018-11-23 11:36:14,542 INFO L273 TraceCheckUtils]: 1: Hoare triple {18656#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {18656#true} is VALID [2018-11-23 11:36:14,542 INFO L256 TraceCheckUtils]: 0: Hoare triple {18656#true} call ULTIMATE.init(); {18656#true} is VALID [2018-11-23 11:36:14,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:14,545 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:36:14,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 11:36:14,545 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-11-23 11:36:14,546 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:36:14,546 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-23 11:36:14,629 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:14,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 11:36:14,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 11:36:14,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-23 11:36:14,631 INFO L87 Difference]: Start difference. First operand 189 states and 230 transitions. Second operand 12 states. [2018-11-23 11:36:18,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:18,268 INFO L93 Difference]: Finished difference Result 311 states and 363 transitions. [2018-11-23 11:36:18,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 11:36:18,268 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-11-23 11:36:18,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:36:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 11:36:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 196 transitions. [2018-11-23 11:36:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 11:36:18,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 196 transitions. [2018-11-23 11:36:18,272 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 196 transitions. [2018-11-23 11:36:18,833 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 196 edges. 196 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:18,840 INFO L225 Difference]: With dead ends: 311 [2018-11-23 11:36:18,840 INFO L226 Difference]: Without dead ends: 309 [2018-11-23 11:36:18,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2018-11-23 11:36:18,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-11-23 11:36:19,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 187. [2018-11-23 11:36:19,213 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:36:19,213 INFO L82 GeneralOperation]: Start isEquivalent. First operand 309 states. Second operand 187 states. [2018-11-23 11:36:19,213 INFO L74 IsIncluded]: Start isIncluded. First operand 309 states. Second operand 187 states. [2018-11-23 11:36:19,214 INFO L87 Difference]: Start difference. First operand 309 states. Second operand 187 states. [2018-11-23 11:36:19,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:19,219 INFO L93 Difference]: Finished difference Result 309 states and 359 transitions. [2018-11-23 11:36:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 359 transitions. [2018-11-23 11:36:19,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:19,220 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:19,220 INFO L74 IsIncluded]: Start isIncluded. First operand 187 states. Second operand 309 states. [2018-11-23 11:36:19,220 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 309 states. [2018-11-23 11:36:19,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:19,227 INFO L93 Difference]: Finished difference Result 309 states and 359 transitions. [2018-11-23 11:36:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 359 transitions. [2018-11-23 11:36:19,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:19,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:19,228 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:36:19,228 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:36:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-11-23 11:36:19,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 227 transitions. [2018-11-23 11:36:19,231 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 227 transitions. Word has length 29 [2018-11-23 11:36:19,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:36:19,231 INFO L480 AbstractCegarLoop]: Abstraction has 187 states and 227 transitions. [2018-11-23 11:36:19,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 11:36:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 227 transitions. [2018-11-23 11:36:19,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 11:36:19,232 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:36:19,232 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:36:19,233 INFO L423 AbstractCegarLoop]: === Iteration 23 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:36:19,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:36:19,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1762659139, now seen corresponding path program 1 times [2018-11-23 11:36:19,233 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:36:19,233 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 24 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 24 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:36:19,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:36:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:19,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:36:19,516 INFO L256 TraceCheckUtils]: 0: Hoare triple {20070#true} call ULTIMATE.init(); {20070#true} is VALID [2018-11-23 11:36:19,517 INFO L273 TraceCheckUtils]: 1: Hoare triple {20070#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {20070#true} is VALID [2018-11-23 11:36:19,517 INFO L273 TraceCheckUtils]: 2: Hoare triple {20070#true} assume true; {20070#true} is VALID [2018-11-23 11:36:19,517 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {20070#true} {20070#true} #139#return; {20070#true} is VALID [2018-11-23 11:36:19,518 INFO L256 TraceCheckUtils]: 4: Hoare triple {20070#true} call #t~ret4 := main(); {20070#true} is VALID [2018-11-23 11:36:19,518 INFO L273 TraceCheckUtils]: 5: Hoare triple {20070#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {20070#true} is VALID [2018-11-23 11:36:19,518 INFO L273 TraceCheckUtils]: 6: Hoare triple {20070#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {20070#true} is VALID [2018-11-23 11:36:19,518 INFO L273 TraceCheckUtils]: 7: Hoare triple {20070#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,519 INFO L273 TraceCheckUtils]: 8: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,519 INFO L273 TraceCheckUtils]: 9: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,519 INFO L273 TraceCheckUtils]: 10: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,520 INFO L273 TraceCheckUtils]: 11: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,520 INFO L273 TraceCheckUtils]: 12: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,520 INFO L273 TraceCheckUtils]: 13: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,521 INFO L273 TraceCheckUtils]: 14: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,521 INFO L273 TraceCheckUtils]: 15: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,521 INFO L273 TraceCheckUtils]: 16: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,522 INFO L273 TraceCheckUtils]: 17: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {20096#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,523 INFO L273 TraceCheckUtils]: 18: Hoare triple {20096#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {20130#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,523 INFO L273 TraceCheckUtils]: 19: Hoare triple {20130#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {20130#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,524 INFO L273 TraceCheckUtils]: 20: Hoare triple {20130#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {20130#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,524 INFO L273 TraceCheckUtils]: 21: Hoare triple {20130#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {20130#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,525 INFO L273 TraceCheckUtils]: 22: Hoare triple {20130#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {20130#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,525 INFO L273 TraceCheckUtils]: 23: Hoare triple {20130#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {20130#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,526 INFO L273 TraceCheckUtils]: 24: Hoare triple {20130#(= (_ bv1 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {20130#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,526 INFO L273 TraceCheckUtils]: 25: Hoare triple {20130#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {20130#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,527 INFO L273 TraceCheckUtils]: 26: Hoare triple {20130#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {20130#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,527 INFO L273 TraceCheckUtils]: 27: Hoare triple {20130#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {20158#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:36:19,528 INFO L273 TraceCheckUtils]: 28: Hoare triple {20158#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~9; {20071#false} is VALID [2018-11-23 11:36:19,528 INFO L273 TraceCheckUtils]: 29: Hoare triple {20071#false} assume !false; {20071#false} is VALID [2018-11-23 11:36:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:19,530 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:36:19,589 INFO L273 TraceCheckUtils]: 29: Hoare triple {20071#false} assume !false; {20071#false} is VALID [2018-11-23 11:36:19,590 INFO L273 TraceCheckUtils]: 28: Hoare triple {20168#(not (= main_~__VERIFIER_assert__cond~9 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~9; {20071#false} is VALID [2018-11-23 11:36:19,590 INFO L273 TraceCheckUtils]: 27: Hoare triple {20172#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {20168#(not (= main_~__VERIFIER_assert__cond~9 (_ bv0 32)))} is VALID [2018-11-23 11:36:19,591 INFO L273 TraceCheckUtils]: 26: Hoare triple {20172#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {20172#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,591 INFO L273 TraceCheckUtils]: 25: Hoare triple {20172#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {20172#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,591 INFO L273 TraceCheckUtils]: 24: Hoare triple {20172#(bvsle (_ bv0 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {20172#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,592 INFO L273 TraceCheckUtils]: 23: Hoare triple {20172#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {20172#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,592 INFO L273 TraceCheckUtils]: 22: Hoare triple {20172#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {20172#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,593 INFO L273 TraceCheckUtils]: 21: Hoare triple {20172#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {20172#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,593 INFO L273 TraceCheckUtils]: 20: Hoare triple {20172#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {20172#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,594 INFO L273 TraceCheckUtils]: 19: Hoare triple {20172#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {20172#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,595 INFO L273 TraceCheckUtils]: 18: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {20172#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:19,595 INFO L273 TraceCheckUtils]: 17: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,596 INFO L273 TraceCheckUtils]: 16: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,596 INFO L273 TraceCheckUtils]: 15: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,597 INFO L273 TraceCheckUtils]: 14: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,597 INFO L273 TraceCheckUtils]: 13: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,598 INFO L273 TraceCheckUtils]: 12: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,598 INFO L273 TraceCheckUtils]: 11: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,599 INFO L273 TraceCheckUtils]: 10: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,600 INFO L273 TraceCheckUtils]: 9: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,600 INFO L273 TraceCheckUtils]: 8: Hoare triple {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,601 INFO L273 TraceCheckUtils]: 7: Hoare triple {20070#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {20200#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:19,601 INFO L273 TraceCheckUtils]: 6: Hoare triple {20070#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {20070#true} is VALID [2018-11-23 11:36:19,601 INFO L273 TraceCheckUtils]: 5: Hoare triple {20070#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {20070#true} is VALID [2018-11-23 11:36:19,602 INFO L256 TraceCheckUtils]: 4: Hoare triple {20070#true} call #t~ret4 := main(); {20070#true} is VALID [2018-11-23 11:36:19,602 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {20070#true} {20070#true} #139#return; {20070#true} is VALID [2018-11-23 11:36:19,602 INFO L273 TraceCheckUtils]: 2: Hoare triple {20070#true} assume true; {20070#true} is VALID [2018-11-23 11:36:19,603 INFO L273 TraceCheckUtils]: 1: Hoare triple {20070#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {20070#true} is VALID [2018-11-23 11:36:19,603 INFO L256 TraceCheckUtils]: 0: Hoare triple {20070#true} call ULTIMATE.init(); {20070#true} is VALID [2018-11-23 11:36:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:19,607 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:36:19,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-23 11:36:19,607 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-11-23 11:36:19,607 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:36:19,608 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 11:36:19,690 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:19,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 11:36:19,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 11:36:19,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 11:36:19,691 INFO L87 Difference]: Start difference. First operand 187 states and 227 transitions. Second operand 8 states. [2018-11-23 11:36:22,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:22,300 INFO L93 Difference]: Finished difference Result 431 states and 492 transitions. [2018-11-23 11:36:22,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 11:36:22,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-11-23 11:36:22,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:36:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:36:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 324 transitions. [2018-11-23 11:36:22,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-23 11:36:22,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 324 transitions. [2018-11-23 11:36:22,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 324 transitions. [2018-11-23 11:36:22,773 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 324 edges. 324 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:22,786 INFO L225 Difference]: With dead ends: 431 [2018-11-23 11:36:22,786 INFO L226 Difference]: Without dead ends: 429 [2018-11-23 11:36:22,787 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2018-11-23 11:36:22,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-11-23 11:36:23,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 191. [2018-11-23 11:36:23,236 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:36:23,236 INFO L82 GeneralOperation]: Start isEquivalent. First operand 429 states. Second operand 191 states. [2018-11-23 11:36:23,236 INFO L74 IsIncluded]: Start isIncluded. First operand 429 states. Second operand 191 states. [2018-11-23 11:36:23,236 INFO L87 Difference]: Start difference. First operand 429 states. Second operand 191 states. [2018-11-23 11:36:23,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:23,246 INFO L93 Difference]: Finished difference Result 429 states and 488 transitions. [2018-11-23 11:36:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 488 transitions. [2018-11-23 11:36:23,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:23,246 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:23,246 INFO L74 IsIncluded]: Start isIncluded. First operand 191 states. Second operand 429 states. [2018-11-23 11:36:23,246 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 429 states. [2018-11-23 11:36:23,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:23,257 INFO L93 Difference]: Finished difference Result 429 states and 488 transitions. [2018-11-23 11:36:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 488 transitions. [2018-11-23 11:36:23,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:23,258 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:23,258 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:36:23,258 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:36:23,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-11-23 11:36:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 230 transitions. [2018-11-23 11:36:23,261 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 230 transitions. Word has length 30 [2018-11-23 11:36:23,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:36:23,262 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 230 transitions. [2018-11-23 11:36:23,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 11:36:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 230 transitions. [2018-11-23 11:36:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 11:36:23,262 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:36:23,262 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:36:23,263 INFO L423 AbstractCegarLoop]: === Iteration 24 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:36:23,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:36:23,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1192144672, now seen corresponding path program 1 times [2018-11-23 11:36:23,263 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:36:23,263 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 25 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 25 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:36:23,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:36:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:23,352 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:36:23,510 INFO L256 TraceCheckUtils]: 0: Hoare triple {21865#true} call ULTIMATE.init(); {21865#true} is VALID [2018-11-23 11:36:23,511 INFO L273 TraceCheckUtils]: 1: Hoare triple {21865#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {21865#true} is VALID [2018-11-23 11:36:23,511 INFO L273 TraceCheckUtils]: 2: Hoare triple {21865#true} assume true; {21865#true} is VALID [2018-11-23 11:36:23,511 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21865#true} {21865#true} #139#return; {21865#true} is VALID [2018-11-23 11:36:23,511 INFO L256 TraceCheckUtils]: 4: Hoare triple {21865#true} call #t~ret4 := main(); {21865#true} is VALID [2018-11-23 11:36:23,512 INFO L273 TraceCheckUtils]: 5: Hoare triple {21865#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {21865#true} is VALID [2018-11-23 11:36:23,512 INFO L273 TraceCheckUtils]: 6: Hoare triple {21865#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {21888#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:23,513 INFO L273 TraceCheckUtils]: 7: Hoare triple {21888#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {21892#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:36:23,513 INFO L273 TraceCheckUtils]: 8: Hoare triple {21892#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {21892#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:36:23,514 INFO L273 TraceCheckUtils]: 9: Hoare triple {21892#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {21892#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} is VALID [2018-11-23 11:36:23,515 INFO L273 TraceCheckUtils]: 10: Hoare triple {21892#(and (= (_ bv0 32) main_~main__i~0) (bvslt main_~main__i~0 main_~main__len~0))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:36:23,515 INFO L273 TraceCheckUtils]: 11: Hoare triple {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:36:23,516 INFO L273 TraceCheckUtils]: 12: Hoare triple {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:36:23,517 INFO L273 TraceCheckUtils]: 13: Hoare triple {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:36:23,518 INFO L273 TraceCheckUtils]: 14: Hoare triple {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:36:23,519 INFO L273 TraceCheckUtils]: 15: Hoare triple {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:36:23,521 INFO L273 TraceCheckUtils]: 16: Hoare triple {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:36:23,522 INFO L273 TraceCheckUtils]: 17: Hoare triple {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} is VALID [2018-11-23 11:36:23,525 INFO L273 TraceCheckUtils]: 18: Hoare triple {21902#(and (= (_ bv0 32) main_~main__i~0) (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {21927#(and (bvslt (_ bv1 32) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:36:23,526 INFO L273 TraceCheckUtils]: 19: Hoare triple {21927#(and (bvslt (_ bv1 32) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {21927#(and (bvslt (_ bv1 32) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:36:23,526 INFO L273 TraceCheckUtils]: 20: Hoare triple {21927#(and (bvslt (_ bv1 32) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {21927#(and (bvslt (_ bv1 32) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:36:23,527 INFO L273 TraceCheckUtils]: 21: Hoare triple {21927#(and (bvslt (_ bv1 32) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:36:23,527 INFO L273 TraceCheckUtils]: 22: Hoare triple {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:36:23,528 INFO L273 TraceCheckUtils]: 23: Hoare triple {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:36:23,528 INFO L273 TraceCheckUtils]: 24: Hoare triple {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:36:23,529 INFO L273 TraceCheckUtils]: 25: Hoare triple {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:36:23,530 INFO L273 TraceCheckUtils]: 26: Hoare triple {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:36:23,531 INFO L273 TraceCheckUtils]: 27: Hoare triple {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} is VALID [2018-11-23 11:36:23,533 INFO L273 TraceCheckUtils]: 28: Hoare triple {21937#(and (bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0) (= (_ bv1 32) main_~main__i~0))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {21959#(= (bvadd main_~__VERIFIER_assert__cond~10 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:36:23,533 INFO L273 TraceCheckUtils]: 29: Hoare triple {21959#(= (bvadd main_~__VERIFIER_assert__cond~10 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~10; {21866#false} is VALID [2018-11-23 11:36:23,534 INFO L273 TraceCheckUtils]: 30: Hoare triple {21866#false} assume !false; {21866#false} is VALID [2018-11-23 11:36:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:23,535 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:36:23,606 INFO L273 TraceCheckUtils]: 30: Hoare triple {21866#false} assume !false; {21866#false} is VALID [2018-11-23 11:36:23,606 INFO L273 TraceCheckUtils]: 29: Hoare triple {21969#(not (= main_~__VERIFIER_assert__cond~10 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~10; {21866#false} is VALID [2018-11-23 11:36:23,607 INFO L273 TraceCheckUtils]: 28: Hoare triple {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {21969#(not (= main_~__VERIFIER_assert__cond~10 (_ bv0 32)))} is VALID [2018-11-23 11:36:23,607 INFO L273 TraceCheckUtils]: 27: Hoare triple {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} is VALID [2018-11-23 11:36:23,607 INFO L273 TraceCheckUtils]: 26: Hoare triple {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} is VALID [2018-11-23 11:36:23,608 INFO L273 TraceCheckUtils]: 25: Hoare triple {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} is VALID [2018-11-23 11:36:23,608 INFO L273 TraceCheckUtils]: 24: Hoare triple {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} is VALID [2018-11-23 11:36:23,608 INFO L273 TraceCheckUtils]: 23: Hoare triple {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} is VALID [2018-11-23 11:36:23,609 INFO L273 TraceCheckUtils]: 22: Hoare triple {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} is VALID [2018-11-23 11:36:23,610 INFO L273 TraceCheckUtils]: 21: Hoare triple {21865#true} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {21973#(bvslt (bvadd main_~main__i~0 (_ bv1 32)) main_~main__len~0)} is VALID [2018-11-23 11:36:23,610 INFO L273 TraceCheckUtils]: 20: Hoare triple {21865#true} assume ~bvslt32(~main__j~0, ~main__limit~0); {21865#true} is VALID [2018-11-23 11:36:23,610 INFO L273 TraceCheckUtils]: 19: Hoare triple {21865#true} assume ~bvslt32(~main__i~0, ~main__len~0); {21865#true} is VALID [2018-11-23 11:36:23,610 INFO L273 TraceCheckUtils]: 18: Hoare triple {21865#true} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {21865#true} is VALID [2018-11-23 11:36:23,610 INFO L273 TraceCheckUtils]: 17: Hoare triple {21865#true} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {21865#true} is VALID [2018-11-23 11:36:23,611 INFO L273 TraceCheckUtils]: 16: Hoare triple {21865#true} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {21865#true} is VALID [2018-11-23 11:36:23,611 INFO L273 TraceCheckUtils]: 15: Hoare triple {21865#true} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {21865#true} is VALID [2018-11-23 11:36:23,611 INFO L273 TraceCheckUtils]: 14: Hoare triple {21865#true} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {21865#true} is VALID [2018-11-23 11:36:23,611 INFO L273 TraceCheckUtils]: 13: Hoare triple {21865#true} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {21865#true} is VALID [2018-11-23 11:36:23,611 INFO L273 TraceCheckUtils]: 12: Hoare triple {21865#true} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {21865#true} is VALID [2018-11-23 11:36:23,612 INFO L273 TraceCheckUtils]: 11: Hoare triple {21865#true} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {21865#true} is VALID [2018-11-23 11:36:23,612 INFO L273 TraceCheckUtils]: 10: Hoare triple {21865#true} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {21865#true} is VALID [2018-11-23 11:36:23,612 INFO L273 TraceCheckUtils]: 9: Hoare triple {21865#true} assume ~bvslt32(~main__j~0, ~main__limit~0); {21865#true} is VALID [2018-11-23 11:36:23,612 INFO L273 TraceCheckUtils]: 8: Hoare triple {21865#true} assume ~bvslt32(~main__i~0, ~main__len~0); {21865#true} is VALID [2018-11-23 11:36:23,612 INFO L273 TraceCheckUtils]: 7: Hoare triple {21865#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {21865#true} is VALID [2018-11-23 11:36:23,613 INFO L273 TraceCheckUtils]: 6: Hoare triple {21865#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {21865#true} is VALID [2018-11-23 11:36:23,613 INFO L273 TraceCheckUtils]: 5: Hoare triple {21865#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {21865#true} is VALID [2018-11-23 11:36:23,613 INFO L256 TraceCheckUtils]: 4: Hoare triple {21865#true} call #t~ret4 := main(); {21865#true} is VALID [2018-11-23 11:36:23,613 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21865#true} {21865#true} #139#return; {21865#true} is VALID [2018-11-23 11:36:23,613 INFO L273 TraceCheckUtils]: 2: Hoare triple {21865#true} assume true; {21865#true} is VALID [2018-11-23 11:36:23,613 INFO L273 TraceCheckUtils]: 1: Hoare triple {21865#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {21865#true} is VALID [2018-11-23 11:36:23,614 INFO L256 TraceCheckUtils]: 0: Hoare triple {21865#true} call ULTIMATE.init(); {21865#true} is VALID [2018-11-23 11:36:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:36:23,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:36:23,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2018-11-23 11:36:23,617 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-11-23 11:36:23,617 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:36:23,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2018-11-23 11:36:23,687 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:23,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:36:23,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:36:23,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:36:23,688 INFO L87 Difference]: Start difference. First operand 191 states and 230 transitions. Second operand 10 states. [2018-11-23 11:36:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:25,352 INFO L93 Difference]: Finished difference Result 244 states and 286 transitions. [2018-11-23 11:36:25,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 11:36:25,352 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-11-23 11:36:25,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:36:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 11:36:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 119 transitions. [2018-11-23 11:36:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 11:36:25,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 119 transitions. [2018-11-23 11:36:25,355 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 119 transitions. [2018-11-23 11:36:25,524 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:25,530 INFO L225 Difference]: With dead ends: 244 [2018-11-23 11:36:25,530 INFO L226 Difference]: Without dead ends: 242 [2018-11-23 11:36:25,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-11-23 11:36:25,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-11-23 11:36:26,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 189. [2018-11-23 11:36:26,498 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:36:26,499 INFO L82 GeneralOperation]: Start isEquivalent. First operand 242 states. Second operand 189 states. [2018-11-23 11:36:26,499 INFO L74 IsIncluded]: Start isIncluded. First operand 242 states. Second operand 189 states. [2018-11-23 11:36:26,499 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 189 states. [2018-11-23 11:36:26,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:26,503 INFO L93 Difference]: Finished difference Result 242 states and 281 transitions. [2018-11-23 11:36:26,504 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 281 transitions. [2018-11-23 11:36:26,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:26,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:26,504 INFO L74 IsIncluded]: Start isIncluded. First operand 189 states. Second operand 242 states. [2018-11-23 11:36:26,505 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 242 states. [2018-11-23 11:36:26,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:26,509 INFO L93 Difference]: Finished difference Result 242 states and 281 transitions. [2018-11-23 11:36:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 281 transitions. [2018-11-23 11:36:26,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:26,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:26,510 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:36:26,511 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:36:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-11-23 11:36:26,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 225 transitions. [2018-11-23 11:36:26,514 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 225 transitions. Word has length 31 [2018-11-23 11:36:26,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:36:26,515 INFO L480 AbstractCegarLoop]: Abstraction has 189 states and 225 transitions. [2018-11-23 11:36:26,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:36:26,515 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 225 transitions. [2018-11-23 11:36:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 11:36:26,515 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:36:26,516 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:36:26,516 INFO L423 AbstractCegarLoop]: === Iteration 25 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:36:26,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:36:26,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1698217693, now seen corresponding path program 1 times [2018-11-23 11:36:26,517 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:36:26,517 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 26 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 26 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:36:26,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:36:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:26,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:36:26,687 INFO L256 TraceCheckUtils]: 0: Hoare triple {23059#true} call ULTIMATE.init(); {23059#true} is VALID [2018-11-23 11:36:26,688 INFO L273 TraceCheckUtils]: 1: Hoare triple {23059#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {23059#true} is VALID [2018-11-23 11:36:26,688 INFO L273 TraceCheckUtils]: 2: Hoare triple {23059#true} assume true; {23059#true} is VALID [2018-11-23 11:36:26,688 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {23059#true} {23059#true} #139#return; {23059#true} is VALID [2018-11-23 11:36:26,688 INFO L256 TraceCheckUtils]: 4: Hoare triple {23059#true} call #t~ret4 := main(); {23059#true} is VALID [2018-11-23 11:36:26,689 INFO L273 TraceCheckUtils]: 5: Hoare triple {23059#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {23059#true} is VALID [2018-11-23 11:36:26,689 INFO L273 TraceCheckUtils]: 6: Hoare triple {23059#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,690 INFO L273 TraceCheckUtils]: 7: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,690 INFO L273 TraceCheckUtils]: 8: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,690 INFO L273 TraceCheckUtils]: 9: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,691 INFO L273 TraceCheckUtils]: 10: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,691 INFO L273 TraceCheckUtils]: 11: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,692 INFO L273 TraceCheckUtils]: 12: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,692 INFO L273 TraceCheckUtils]: 13: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,692 INFO L273 TraceCheckUtils]: 14: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,693 INFO L273 TraceCheckUtils]: 15: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,693 INFO L273 TraceCheckUtils]: 16: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,693 INFO L273 TraceCheckUtils]: 17: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {23082#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,694 INFO L273 TraceCheckUtils]: 18: Hoare triple {23082#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {23119#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,694 INFO L273 TraceCheckUtils]: 19: Hoare triple {23119#(= (_ bv1 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {23119#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,695 INFO L273 TraceCheckUtils]: 20: Hoare triple {23119#(= (_ bv1 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {23119#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,696 INFO L273 TraceCheckUtils]: 21: Hoare triple {23119#(= (_ bv1 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {23119#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,696 INFO L273 TraceCheckUtils]: 22: Hoare triple {23119#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {23119#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,697 INFO L273 TraceCheckUtils]: 23: Hoare triple {23119#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {23119#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,697 INFO L273 TraceCheckUtils]: 24: Hoare triple {23119#(= (_ bv1 32) main_~main__i~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {23119#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,698 INFO L273 TraceCheckUtils]: 25: Hoare triple {23119#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {23119#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,699 INFO L273 TraceCheckUtils]: 26: Hoare triple {23119#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {23119#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,699 INFO L273 TraceCheckUtils]: 27: Hoare triple {23119#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {23119#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,700 INFO L273 TraceCheckUtils]: 28: Hoare triple {23119#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {23150#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,701 INFO L273 TraceCheckUtils]: 29: Hoare triple {23150#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {23154#(= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:36:26,702 INFO L273 TraceCheckUtils]: 30: Hoare triple {23154#(= (bvadd main_~__VERIFIER_assert__cond~11 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~11; {23060#false} is VALID [2018-11-23 11:36:26,702 INFO L273 TraceCheckUtils]: 31: Hoare triple {23060#false} assume !false; {23060#false} is VALID [2018-11-23 11:36:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:26,705 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:36:26,802 INFO L273 TraceCheckUtils]: 31: Hoare triple {23060#false} assume !false; {23060#false} is VALID [2018-11-23 11:36:26,803 INFO L273 TraceCheckUtils]: 30: Hoare triple {23164#(not (= main_~__VERIFIER_assert__cond~11 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~11; {23060#false} is VALID [2018-11-23 11:36:26,804 INFO L273 TraceCheckUtils]: 29: Hoare triple {23168#(bvsle (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {23164#(not (= main_~__VERIFIER_assert__cond~11 (_ bv0 32)))} is VALID [2018-11-23 11:36:26,805 INFO L273 TraceCheckUtils]: 28: Hoare triple {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {23168#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:36:26,805 INFO L273 TraceCheckUtils]: 27: Hoare triple {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:26,806 INFO L273 TraceCheckUtils]: 26: Hoare triple {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:26,807 INFO L273 TraceCheckUtils]: 25: Hoare triple {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:26,807 INFO L273 TraceCheckUtils]: 24: Hoare triple {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:26,808 INFO L273 TraceCheckUtils]: 23: Hoare triple {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:26,808 INFO L273 TraceCheckUtils]: 22: Hoare triple {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:26,809 INFO L273 TraceCheckUtils]: 21: Hoare triple {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:26,810 INFO L273 TraceCheckUtils]: 20: Hoare triple {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:26,810 INFO L273 TraceCheckUtils]: 19: Hoare triple {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:26,815 INFO L273 TraceCheckUtils]: 18: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {23172#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:26,816 INFO L273 TraceCheckUtils]: 17: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,816 INFO L273 TraceCheckUtils]: 16: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,836 INFO L273 TraceCheckUtils]: 15: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,849 INFO L273 TraceCheckUtils]: 14: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,858 INFO L273 TraceCheckUtils]: 13: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,870 INFO L273 TraceCheckUtils]: 12: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,883 INFO L273 TraceCheckUtils]: 11: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,892 INFO L273 TraceCheckUtils]: 10: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,906 INFO L273 TraceCheckUtils]: 9: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,915 INFO L273 TraceCheckUtils]: 8: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,923 INFO L273 TraceCheckUtils]: 7: Hoare triple {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,924 INFO L273 TraceCheckUtils]: 6: Hoare triple {23059#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {23203#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:26,924 INFO L273 TraceCheckUtils]: 5: Hoare triple {23059#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {23059#true} is VALID [2018-11-23 11:36:26,924 INFO L256 TraceCheckUtils]: 4: Hoare triple {23059#true} call #t~ret4 := main(); {23059#true} is VALID [2018-11-23 11:36:26,924 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {23059#true} {23059#true} #139#return; {23059#true} is VALID [2018-11-23 11:36:26,924 INFO L273 TraceCheckUtils]: 2: Hoare triple {23059#true} assume true; {23059#true} is VALID [2018-11-23 11:36:26,924 INFO L273 TraceCheckUtils]: 1: Hoare triple {23059#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {23059#true} is VALID [2018-11-23 11:36:26,925 INFO L256 TraceCheckUtils]: 0: Hoare triple {23059#true} call ULTIMATE.init(); {23059#true} is VALID [2018-11-23 11:36:26,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:26,930 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:36:26,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-11-23 11:36:26,930 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2018-11-23 11:36:26,931 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:36:26,931 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2018-11-23 11:36:27,018 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:27,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:36:27,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:36:27,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:36:27,020 INFO L87 Difference]: Start difference. First operand 189 states and 225 transitions. Second operand 10 states. [2018-11-23 11:36:29,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:29,392 INFO L93 Difference]: Finished difference Result 376 states and 430 transitions. [2018-11-23 11:36:29,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 11:36:29,393 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 32 [2018-11-23 11:36:29,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:36:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 11:36:29,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 198 transitions. [2018-11-23 11:36:29,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 11:36:29,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 198 transitions. [2018-11-23 11:36:29,395 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 198 transitions. [2018-11-23 11:36:29,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 198 edges. 198 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:29,708 INFO L225 Difference]: With dead ends: 376 [2018-11-23 11:36:29,708 INFO L226 Difference]: Without dead ends: 374 [2018-11-23 11:36:29,708 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2018-11-23 11:36:29,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-11-23 11:36:30,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 181. [2018-11-23 11:36:30,075 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:36:30,076 INFO L82 GeneralOperation]: Start isEquivalent. First operand 374 states. Second operand 181 states. [2018-11-23 11:36:30,076 INFO L74 IsIncluded]: Start isIncluded. First operand 374 states. Second operand 181 states. [2018-11-23 11:36:30,076 INFO L87 Difference]: Start difference. First operand 374 states. Second operand 181 states. [2018-11-23 11:36:30,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:30,085 INFO L93 Difference]: Finished difference Result 374 states and 423 transitions. [2018-11-23 11:36:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 423 transitions. [2018-11-23 11:36:30,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:30,085 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:30,086 INFO L74 IsIncluded]: Start isIncluded. First operand 181 states. Second operand 374 states. [2018-11-23 11:36:30,086 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 374 states. [2018-11-23 11:36:30,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:30,094 INFO L93 Difference]: Finished difference Result 374 states and 423 transitions. [2018-11-23 11:36:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 423 transitions. [2018-11-23 11:36:30,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:30,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:30,095 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:36:30,095 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:36:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-11-23 11:36:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 214 transitions. [2018-11-23 11:36:30,098 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 214 transitions. Word has length 32 [2018-11-23 11:36:30,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:36:30,099 INFO L480 AbstractCegarLoop]: Abstraction has 181 states and 214 transitions. [2018-11-23 11:36:30,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:36:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 214 transitions. [2018-11-23 11:36:30,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 11:36:30,099 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:36:30,099 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:36:30,100 INFO L423 AbstractCegarLoop]: === Iteration 26 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:36:30,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:36:30,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1105137786, now seen corresponding path program 1 times [2018-11-23 11:36:30,100 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:36:30,100 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 27 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 27 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:36:30,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:36:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:30,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:36:30,398 INFO L256 TraceCheckUtils]: 0: Hoare triple {24684#true} call ULTIMATE.init(); {24684#true} is VALID [2018-11-23 11:36:30,398 INFO L273 TraceCheckUtils]: 1: Hoare triple {24684#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {24684#true} is VALID [2018-11-23 11:36:30,398 INFO L273 TraceCheckUtils]: 2: Hoare triple {24684#true} assume true; {24684#true} is VALID [2018-11-23 11:36:30,399 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {24684#true} {24684#true} #139#return; {24684#true} is VALID [2018-11-23 11:36:30,399 INFO L256 TraceCheckUtils]: 4: Hoare triple {24684#true} call #t~ret4 := main(); {24684#true} is VALID [2018-11-23 11:36:30,399 INFO L273 TraceCheckUtils]: 5: Hoare triple {24684#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {24684#true} is VALID [2018-11-23 11:36:30,400 INFO L273 TraceCheckUtils]: 6: Hoare triple {24684#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {24707#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:30,400 INFO L273 TraceCheckUtils]: 7: Hoare triple {24707#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {24711#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:30,401 INFO L273 TraceCheckUtils]: 8: Hoare triple {24711#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {24711#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:30,403 INFO L273 TraceCheckUtils]: 9: Hoare triple {24711#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:30,406 INFO L273 TraceCheckUtils]: 10: Hoare triple {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:30,408 INFO L273 TraceCheckUtils]: 11: Hoare triple {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:30,410 INFO L273 TraceCheckUtils]: 12: Hoare triple {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:30,412 INFO L273 TraceCheckUtils]: 13: Hoare triple {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:30,414 INFO L273 TraceCheckUtils]: 14: Hoare triple {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:30,416 INFO L273 TraceCheckUtils]: 15: Hoare triple {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:30,418 INFO L273 TraceCheckUtils]: 16: Hoare triple {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:30,419 INFO L273 TraceCheckUtils]: 17: Hoare triple {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:30,420 INFO L273 TraceCheckUtils]: 18: Hoare triple {24718#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,421 INFO L273 TraceCheckUtils]: 19: Hoare triple {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~main__i~0, ~main__len~0); {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,421 INFO L273 TraceCheckUtils]: 20: Hoare triple {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~main__j~0, ~main__limit~0); {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,422 INFO L273 TraceCheckUtils]: 21: Hoare triple {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,423 INFO L273 TraceCheckUtils]: 22: Hoare triple {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,424 INFO L273 TraceCheckUtils]: 23: Hoare triple {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,425 INFO L273 TraceCheckUtils]: 24: Hoare triple {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,426 INFO L273 TraceCheckUtils]: 25: Hoare triple {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,426 INFO L273 TraceCheckUtils]: 26: Hoare triple {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,427 INFO L273 TraceCheckUtils]: 27: Hoare triple {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,428 INFO L273 TraceCheckUtils]: 28: Hoare triple {24746#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {24777#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,429 INFO L273 TraceCheckUtils]: 29: Hoare triple {24777#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {24777#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:30,431 INFO L273 TraceCheckUtils]: 30: Hoare triple {24777#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {24784#(= (bvadd main_~__VERIFIER_assert__cond~12 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:36:30,432 INFO L273 TraceCheckUtils]: 31: Hoare triple {24784#(= (bvadd main_~__VERIFIER_assert__cond~12 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~12; {24685#false} is VALID [2018-11-23 11:36:30,432 INFO L273 TraceCheckUtils]: 32: Hoare triple {24685#false} assume !false; {24685#false} is VALID [2018-11-23 11:36:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:30,437 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:36:30,735 INFO L273 TraceCheckUtils]: 32: Hoare triple {24685#false} assume !false; {24685#false} is VALID [2018-11-23 11:36:30,735 INFO L273 TraceCheckUtils]: 31: Hoare triple {24794#(not (= main_~__VERIFIER_assert__cond~12 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~12; {24685#false} is VALID [2018-11-23 11:36:30,736 INFO L273 TraceCheckUtils]: 30: Hoare triple {24798#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {24794#(not (= main_~__VERIFIER_assert__cond~12 (_ bv0 32)))} is VALID [2018-11-23 11:36:30,736 INFO L273 TraceCheckUtils]: 29: Hoare triple {24798#(bvslt main_~main__j~0 main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {24798#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,736 INFO L273 TraceCheckUtils]: 28: Hoare triple {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {24798#(bvslt main_~main__j~0 main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,737 INFO L273 TraceCheckUtils]: 27: Hoare triple {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,737 INFO L273 TraceCheckUtils]: 26: Hoare triple {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,737 INFO L273 TraceCheckUtils]: 25: Hoare triple {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,738 INFO L273 TraceCheckUtils]: 24: Hoare triple {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,738 INFO L273 TraceCheckUtils]: 23: Hoare triple {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,739 INFO L273 TraceCheckUtils]: 22: Hoare triple {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,739 INFO L273 TraceCheckUtils]: 21: Hoare triple {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,740 INFO L273 TraceCheckUtils]: 20: Hoare triple {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,740 INFO L273 TraceCheckUtils]: 19: Hoare triple {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,765 INFO L273 TraceCheckUtils]: 18: Hoare triple {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {24805#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,765 INFO L273 TraceCheckUtils]: 17: Hoare triple {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,766 INFO L273 TraceCheckUtils]: 16: Hoare triple {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,766 INFO L273 TraceCheckUtils]: 15: Hoare triple {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,766 INFO L273 TraceCheckUtils]: 14: Hoare triple {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,767 INFO L273 TraceCheckUtils]: 13: Hoare triple {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,767 INFO L273 TraceCheckUtils]: 12: Hoare triple {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,767 INFO L273 TraceCheckUtils]: 11: Hoare triple {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,768 INFO L273 TraceCheckUtils]: 10: Hoare triple {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,768 INFO L273 TraceCheckUtils]: 9: Hoare triple {24864#(or (bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0) (not (bvslt main_~main__j~0 main_~main__limit~0)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {24836#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:30,769 INFO L273 TraceCheckUtils]: 8: Hoare triple {24864#(or (bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0) (not (bvslt main_~main__j~0 main_~main__limit~0)))} assume ~bvslt32(~main__i~0, ~main__len~0); {24864#(or (bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0) (not (bvslt main_~main__j~0 main_~main__limit~0)))} is VALID [2018-11-23 11:36:30,770 INFO L273 TraceCheckUtils]: 7: Hoare triple {24871#(or (not (bvslt (_ bv0 32) main_~main__limit~0)) (bvslt (_ bv2 32) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {24864#(or (bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0) (not (bvslt main_~main__j~0 main_~main__limit~0)))} is VALID [2018-11-23 11:36:30,772 INFO L273 TraceCheckUtils]: 6: Hoare triple {24684#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {24871#(or (not (bvslt (_ bv0 32) main_~main__limit~0)) (bvslt (_ bv2 32) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:30,772 INFO L273 TraceCheckUtils]: 5: Hoare triple {24684#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {24684#true} is VALID [2018-11-23 11:36:30,772 INFO L256 TraceCheckUtils]: 4: Hoare triple {24684#true} call #t~ret4 := main(); {24684#true} is VALID [2018-11-23 11:36:30,772 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {24684#true} {24684#true} #139#return; {24684#true} is VALID [2018-11-23 11:36:30,772 INFO L273 TraceCheckUtils]: 2: Hoare triple {24684#true} assume true; {24684#true} is VALID [2018-11-23 11:36:30,773 INFO L273 TraceCheckUtils]: 1: Hoare triple {24684#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {24684#true} is VALID [2018-11-23 11:36:30,773 INFO L256 TraceCheckUtils]: 0: Hoare triple {24684#true} call ULTIMATE.init(); {24684#true} is VALID [2018-11-23 11:36:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:30,776 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:36:30,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-23 11:36:30,777 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-11-23 11:36:30,777 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:36:30,777 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-23 11:36:30,894 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:30,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 11:36:30,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 11:36:30,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-11-23 11:36:30,896 INFO L87 Difference]: Start difference. First operand 181 states and 214 transitions. Second operand 14 states. [2018-11-23 11:36:38,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:38,302 INFO L93 Difference]: Finished difference Result 467 states and 542 transitions. [2018-11-23 11:36:38,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 11:36:38,302 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-11-23 11:36:38,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:36:38,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:36:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 269 transitions. [2018-11-23 11:36:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:36:38,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 269 transitions. [2018-11-23 11:36:38,306 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 269 transitions. [2018-11-23 11:36:39,311 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 269 edges. 269 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:39,320 INFO L225 Difference]: With dead ends: 467 [2018-11-23 11:36:39,320 INFO L226 Difference]: Without dead ends: 352 [2018-11-23 11:36:39,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2018-11-23 11:36:39,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-11-23 11:36:39,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 201. [2018-11-23 11:36:39,878 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:36:39,879 INFO L82 GeneralOperation]: Start isEquivalent. First operand 352 states. Second operand 201 states. [2018-11-23 11:36:39,879 INFO L74 IsIncluded]: Start isIncluded. First operand 352 states. Second operand 201 states. [2018-11-23 11:36:39,879 INFO L87 Difference]: Start difference. First operand 352 states. Second operand 201 states. [2018-11-23 11:36:39,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:39,886 INFO L93 Difference]: Finished difference Result 352 states and 401 transitions. [2018-11-23 11:36:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 401 transitions. [2018-11-23 11:36:39,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:39,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:39,887 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 352 states. [2018-11-23 11:36:39,887 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 352 states. [2018-11-23 11:36:39,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:39,893 INFO L93 Difference]: Finished difference Result 352 states and 401 transitions. [2018-11-23 11:36:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 401 transitions. [2018-11-23 11:36:39,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:39,894 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:39,894 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:36:39,894 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:36:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-23 11:36:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 240 transitions. [2018-11-23 11:36:39,898 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 240 transitions. Word has length 33 [2018-11-23 11:36:39,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:36:39,898 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 240 transitions. [2018-11-23 11:36:39,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 11:36:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 240 transitions. [2018-11-23 11:36:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 11:36:39,899 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:36:39,899 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:36:39,899 INFO L423 AbstractCegarLoop]: === Iteration 27 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:36:39,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:36:39,900 INFO L82 PathProgramCache]: Analyzing trace with hash 100470153, now seen corresponding path program 1 times [2018-11-23 11:36:39,900 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:36:39,900 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 28 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 28 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:36:39,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:36:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:39,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:36:40,085 INFO L256 TraceCheckUtils]: 0: Hoare triple {26419#true} call ULTIMATE.init(); {26419#true} is VALID [2018-11-23 11:36:40,086 INFO L273 TraceCheckUtils]: 1: Hoare triple {26419#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {26419#true} is VALID [2018-11-23 11:36:40,086 INFO L273 TraceCheckUtils]: 2: Hoare triple {26419#true} assume true; {26419#true} is VALID [2018-11-23 11:36:40,086 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {26419#true} {26419#true} #139#return; {26419#true} is VALID [2018-11-23 11:36:40,086 INFO L256 TraceCheckUtils]: 4: Hoare triple {26419#true} call #t~ret4 := main(); {26419#true} is VALID [2018-11-23 11:36:40,086 INFO L273 TraceCheckUtils]: 5: Hoare triple {26419#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {26419#true} is VALID [2018-11-23 11:36:40,086 INFO L273 TraceCheckUtils]: 6: Hoare triple {26419#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {26419#true} is VALID [2018-11-23 11:36:40,097 INFO L273 TraceCheckUtils]: 7: Hoare triple {26419#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,097 INFO L273 TraceCheckUtils]: 8: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,101 INFO L273 TraceCheckUtils]: 9: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,101 INFO L273 TraceCheckUtils]: 10: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,101 INFO L273 TraceCheckUtils]: 11: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,102 INFO L273 TraceCheckUtils]: 12: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,103 INFO L273 TraceCheckUtils]: 13: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,103 INFO L273 TraceCheckUtils]: 14: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,103 INFO L273 TraceCheckUtils]: 15: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,104 INFO L273 TraceCheckUtils]: 16: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,104 INFO L273 TraceCheckUtils]: 17: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {26445#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,104 INFO L273 TraceCheckUtils]: 18: Hoare triple {26445#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {26479#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,105 INFO L273 TraceCheckUtils]: 19: Hoare triple {26479#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {26479#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,105 INFO L273 TraceCheckUtils]: 20: Hoare triple {26479#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {26479#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,106 INFO L273 TraceCheckUtils]: 21: Hoare triple {26479#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {26479#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,106 INFO L273 TraceCheckUtils]: 22: Hoare triple {26479#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {26479#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,107 INFO L273 TraceCheckUtils]: 23: Hoare triple {26479#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {26479#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,108 INFO L273 TraceCheckUtils]: 24: Hoare triple {26479#(= (_ bv1 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {26479#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,108 INFO L273 TraceCheckUtils]: 25: Hoare triple {26479#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {26479#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,109 INFO L273 TraceCheckUtils]: 26: Hoare triple {26479#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {26479#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,109 INFO L273 TraceCheckUtils]: 27: Hoare triple {26479#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {26479#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,110 INFO L273 TraceCheckUtils]: 28: Hoare triple {26479#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {26510#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,110 INFO L273 TraceCheckUtils]: 29: Hoare triple {26510#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {26510#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,111 INFO L273 TraceCheckUtils]: 30: Hoare triple {26510#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {26510#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,112 INFO L273 TraceCheckUtils]: 31: Hoare triple {26510#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {26520#(= (bvadd main_~__VERIFIER_assert__cond~13 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:36:40,112 INFO L273 TraceCheckUtils]: 32: Hoare triple {26520#(= (bvadd main_~__VERIFIER_assert__cond~13 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~13; {26420#false} is VALID [2018-11-23 11:36:40,113 INFO L273 TraceCheckUtils]: 33: Hoare triple {26420#false} assume !false; {26420#false} is VALID [2018-11-23 11:36:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:40,114 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:36:40,201 INFO L273 TraceCheckUtils]: 33: Hoare triple {26420#false} assume !false; {26420#false} is VALID [2018-11-23 11:36:40,201 INFO L273 TraceCheckUtils]: 32: Hoare triple {26530#(not (= main_~__VERIFIER_assert__cond~13 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~13; {26420#false} is VALID [2018-11-23 11:36:40,202 INFO L273 TraceCheckUtils]: 31: Hoare triple {26534#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {26530#(not (= main_~__VERIFIER_assert__cond~13 (_ bv0 32)))} is VALID [2018-11-23 11:36:40,203 INFO L273 TraceCheckUtils]: 30: Hoare triple {26534#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {26534#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,203 INFO L273 TraceCheckUtils]: 29: Hoare triple {26534#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {26534#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,204 INFO L273 TraceCheckUtils]: 28: Hoare triple {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {26534#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:40,204 INFO L273 TraceCheckUtils]: 27: Hoare triple {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:40,205 INFO L273 TraceCheckUtils]: 26: Hoare triple {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:40,206 INFO L273 TraceCheckUtils]: 25: Hoare triple {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:40,207 INFO L273 TraceCheckUtils]: 24: Hoare triple {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:40,207 INFO L273 TraceCheckUtils]: 23: Hoare triple {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:40,208 INFO L273 TraceCheckUtils]: 22: Hoare triple {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:40,208 INFO L273 TraceCheckUtils]: 21: Hoare triple {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:40,208 INFO L273 TraceCheckUtils]: 20: Hoare triple {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:40,209 INFO L273 TraceCheckUtils]: 19: Hoare triple {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:40,214 INFO L273 TraceCheckUtils]: 18: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {26544#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:40,214 INFO L273 TraceCheckUtils]: 17: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,215 INFO L273 TraceCheckUtils]: 16: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,215 INFO L273 TraceCheckUtils]: 15: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,215 INFO L273 TraceCheckUtils]: 14: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,216 INFO L273 TraceCheckUtils]: 13: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,216 INFO L273 TraceCheckUtils]: 12: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,217 INFO L273 TraceCheckUtils]: 11: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,217 INFO L273 TraceCheckUtils]: 10: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,217 INFO L273 TraceCheckUtils]: 9: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,218 INFO L273 TraceCheckUtils]: 8: Hoare triple {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,218 INFO L273 TraceCheckUtils]: 7: Hoare triple {26419#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {26575#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:40,218 INFO L273 TraceCheckUtils]: 6: Hoare triple {26419#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {26419#true} is VALID [2018-11-23 11:36:40,218 INFO L273 TraceCheckUtils]: 5: Hoare triple {26419#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {26419#true} is VALID [2018-11-23 11:36:40,218 INFO L256 TraceCheckUtils]: 4: Hoare triple {26419#true} call #t~ret4 := main(); {26419#true} is VALID [2018-11-23 11:36:40,219 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {26419#true} {26419#true} #139#return; {26419#true} is VALID [2018-11-23 11:36:40,219 INFO L273 TraceCheckUtils]: 2: Hoare triple {26419#true} assume true; {26419#true} is VALID [2018-11-23 11:36:40,219 INFO L273 TraceCheckUtils]: 1: Hoare triple {26419#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {26419#true} is VALID [2018-11-23 11:36:40,219 INFO L256 TraceCheckUtils]: 0: Hoare triple {26419#true} call ULTIMATE.init(); {26419#true} is VALID [2018-11-23 11:36:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:40,222 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:36:40,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-11-23 11:36:40,223 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2018-11-23 11:36:40,223 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:36:40,223 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2018-11-23 11:36:40,304 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:40,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:36:40,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:36:40,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:36:40,305 INFO L87 Difference]: Start difference. First operand 201 states and 240 transitions. Second operand 10 states. [2018-11-23 11:36:44,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:44,563 INFO L93 Difference]: Finished difference Result 636 states and 721 transitions. [2018-11-23 11:36:44,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 11:36:44,564 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2018-11-23 11:36:44,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:36:44,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 11:36:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 494 transitions. [2018-11-23 11:36:44,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 11:36:44,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 494 transitions. [2018-11-23 11:36:44,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 494 transitions. [2018-11-23 11:36:45,319 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 494 edges. 494 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:45,342 INFO L225 Difference]: With dead ends: 636 [2018-11-23 11:36:45,342 INFO L226 Difference]: Without dead ends: 634 [2018-11-23 11:36:45,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=371, Unknown=0, NotChecked=0, Total=552 [2018-11-23 11:36:45,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-11-23 11:36:46,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 238. [2018-11-23 11:36:46,081 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:36:46,081 INFO L82 GeneralOperation]: Start isEquivalent. First operand 634 states. Second operand 238 states. [2018-11-23 11:36:46,081 INFO L74 IsIncluded]: Start isIncluded. First operand 634 states. Second operand 238 states. [2018-11-23 11:36:46,081 INFO L87 Difference]: Start difference. First operand 634 states. Second operand 238 states. [2018-11-23 11:36:46,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:46,098 INFO L93 Difference]: Finished difference Result 634 states and 715 transitions. [2018-11-23 11:36:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 715 transitions. [2018-11-23 11:36:46,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:46,099 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:46,099 INFO L74 IsIncluded]: Start isIncluded. First operand 238 states. Second operand 634 states. [2018-11-23 11:36:46,099 INFO L87 Difference]: Start difference. First operand 238 states. Second operand 634 states. [2018-11-23 11:36:46,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:46,119 INFO L93 Difference]: Finished difference Result 634 states and 715 transitions. [2018-11-23 11:36:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 715 transitions. [2018-11-23 11:36:46,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:46,121 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:46,121 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:36:46,121 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:36:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-11-23 11:36:46,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 289 transitions. [2018-11-23 11:36:46,126 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 289 transitions. Word has length 34 [2018-11-23 11:36:46,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:36:46,126 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 289 transitions. [2018-11-23 11:36:46,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:36:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 289 transitions. [2018-11-23 11:36:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 11:36:46,127 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:36:46,127 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:36:46,127 INFO L423 AbstractCegarLoop]: === Iteration 28 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:36:46,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:36:46,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1180389396, now seen corresponding path program 1 times [2018-11-23 11:36:46,128 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:36:46,128 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 29 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 29 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:36:46,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:36:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:46,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:36:46,478 INFO L256 TraceCheckUtils]: 0: Hoare triple {28950#true} call ULTIMATE.init(); {28950#true} is VALID [2018-11-23 11:36:46,478 INFO L273 TraceCheckUtils]: 1: Hoare triple {28950#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {28950#true} is VALID [2018-11-23 11:36:46,478 INFO L273 TraceCheckUtils]: 2: Hoare triple {28950#true} assume true; {28950#true} is VALID [2018-11-23 11:36:46,478 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {28950#true} {28950#true} #139#return; {28950#true} is VALID [2018-11-23 11:36:46,478 INFO L256 TraceCheckUtils]: 4: Hoare triple {28950#true} call #t~ret4 := main(); {28950#true} is VALID [2018-11-23 11:36:46,479 INFO L273 TraceCheckUtils]: 5: Hoare triple {28950#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {28950#true} is VALID [2018-11-23 11:36:46,479 INFO L273 TraceCheckUtils]: 6: Hoare triple {28950#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {28973#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:46,480 INFO L273 TraceCheckUtils]: 7: Hoare triple {28973#(and (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {28977#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:46,480 INFO L273 TraceCheckUtils]: 8: Hoare triple {28977#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0); {28977#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:46,484 INFO L273 TraceCheckUtils]: 9: Hoare triple {28977#(and (= (_ bv0 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (= (bvadd main_~main__limit~0 (_ bv4 32)) main_~main__bufsize~0))} assume ~bvslt32(~main__j~0, ~main__limit~0); {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:46,485 INFO L273 TraceCheckUtils]: 10: Hoare triple {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:46,487 INFO L273 TraceCheckUtils]: 11: Hoare triple {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:46,489 INFO L273 TraceCheckUtils]: 12: Hoare triple {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:46,491 INFO L273 TraceCheckUtils]: 13: Hoare triple {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:46,492 INFO L273 TraceCheckUtils]: 14: Hoare triple {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:46,493 INFO L273 TraceCheckUtils]: 15: Hoare triple {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:46,495 INFO L273 TraceCheckUtils]: 16: Hoare triple {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:46,496 INFO L273 TraceCheckUtils]: 17: Hoare triple {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} is VALID [2018-11-23 11:36:46,497 INFO L273 TraceCheckUtils]: 18: Hoare triple {28984#(and (= (_ bv0 32) main_~main__j~0) (bvslt main_~main__j~0 (bvadd main_~main__bufsize~0 (_ bv4294967292 32))) (not (bvslt main_~main__bufsize~0 (_ bv0 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,499 INFO L273 TraceCheckUtils]: 19: Hoare triple {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~main__i~0, ~main__len~0); {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,499 INFO L273 TraceCheckUtils]: 20: Hoare triple {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~main__j~0, ~main__limit~0); {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,501 INFO L273 TraceCheckUtils]: 21: Hoare triple {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,501 INFO L273 TraceCheckUtils]: 22: Hoare triple {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,520 INFO L273 TraceCheckUtils]: 23: Hoare triple {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,528 INFO L273 TraceCheckUtils]: 24: Hoare triple {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,528 INFO L273 TraceCheckUtils]: 25: Hoare triple {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,533 INFO L273 TraceCheckUtils]: 26: Hoare triple {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,533 INFO L273 TraceCheckUtils]: 27: Hoare triple {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,535 INFO L273 TraceCheckUtils]: 28: Hoare triple {29012#(and (= (_ bv1 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {29043#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,535 INFO L273 TraceCheckUtils]: 29: Hoare triple {29043#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {29043#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,537 INFO L273 TraceCheckUtils]: 30: Hoare triple {29043#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {29043#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,539 INFO L273 TraceCheckUtils]: 31: Hoare triple {29043#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {29043#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} is VALID [2018-11-23 11:36:46,541 INFO L273 TraceCheckUtils]: 32: Hoare triple {29043#(and (= (_ bv2 32) main_~main__j~0) (not (bvslt main_~main__bufsize~0 (_ bv0 32))) (bvslt (_ bv0 32) (bvadd main_~main__bufsize~0 (_ bv4294967292 32))))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {29056#(= (bvadd main_~__VERIFIER_assert__cond~14 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:36:46,541 INFO L273 TraceCheckUtils]: 33: Hoare triple {29056#(= (bvadd main_~__VERIFIER_assert__cond~14 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~14; {28951#false} is VALID [2018-11-23 11:36:46,541 INFO L273 TraceCheckUtils]: 34: Hoare triple {28951#false} assume !false; {28951#false} is VALID [2018-11-23 11:36:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:46,544 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:36:46,961 INFO L273 TraceCheckUtils]: 34: Hoare triple {28951#false} assume !false; {28951#false} is VALID [2018-11-23 11:36:46,961 INFO L273 TraceCheckUtils]: 33: Hoare triple {29066#(not (= main_~__VERIFIER_assert__cond~14 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~14; {28951#false} is VALID [2018-11-23 11:36:46,963 INFO L273 TraceCheckUtils]: 32: Hoare triple {29070#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {29066#(not (= main_~__VERIFIER_assert__cond~14 (_ bv0 32)))} is VALID [2018-11-23 11:36:46,964 INFO L273 TraceCheckUtils]: 31: Hoare triple {29070#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {29070#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,964 INFO L273 TraceCheckUtils]: 30: Hoare triple {29070#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {29070#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,964 INFO L273 TraceCheckUtils]: 29: Hoare triple {29070#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {29070#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,991 INFO L273 TraceCheckUtils]: 28: Hoare triple {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {29070#(bvslt (bvadd main_~main__j~0 (_ bv1 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,991 INFO L273 TraceCheckUtils]: 27: Hoare triple {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,991 INFO L273 TraceCheckUtils]: 26: Hoare triple {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,992 INFO L273 TraceCheckUtils]: 25: Hoare triple {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,992 INFO L273 TraceCheckUtils]: 24: Hoare triple {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,992 INFO L273 TraceCheckUtils]: 23: Hoare triple {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,993 INFO L273 TraceCheckUtils]: 22: Hoare triple {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,993 INFO L273 TraceCheckUtils]: 21: Hoare triple {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,993 INFO L273 TraceCheckUtils]: 20: Hoare triple {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:46,994 INFO L273 TraceCheckUtils]: 19: Hoare triple {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,025 INFO L273 TraceCheckUtils]: 18: Hoare triple {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {29083#(bvslt (bvadd main_~main__j~0 (_ bv2 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,026 INFO L273 TraceCheckUtils]: 17: Hoare triple {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,026 INFO L273 TraceCheckUtils]: 16: Hoare triple {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,026 INFO L273 TraceCheckUtils]: 15: Hoare triple {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,027 INFO L273 TraceCheckUtils]: 14: Hoare triple {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,027 INFO L273 TraceCheckUtils]: 13: Hoare triple {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,027 INFO L273 TraceCheckUtils]: 12: Hoare triple {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,028 INFO L273 TraceCheckUtils]: 11: Hoare triple {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,028 INFO L273 TraceCheckUtils]: 10: Hoare triple {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,028 INFO L273 TraceCheckUtils]: 9: Hoare triple {29142#(or (bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0) (not (bvslt main_~main__j~0 main_~main__limit~0)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {29114#(bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0)} is VALID [2018-11-23 11:36:47,029 INFO L273 TraceCheckUtils]: 8: Hoare triple {29142#(or (bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0) (not (bvslt main_~main__j~0 main_~main__limit~0)))} assume ~bvslt32(~main__i~0, ~main__len~0); {29142#(or (bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0) (not (bvslt main_~main__j~0 main_~main__limit~0)))} is VALID [2018-11-23 11:36:47,029 INFO L273 TraceCheckUtils]: 7: Hoare triple {29149#(or (not (bvslt (_ bv0 32) main_~main__limit~0)) (bvslt (_ bv3 32) main_~main__bufsize~0))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {29142#(or (bvslt (bvadd main_~main__j~0 (_ bv3 32)) main_~main__bufsize~0) (not (bvslt main_~main__j~0 main_~main__limit~0)))} is VALID [2018-11-23 11:36:47,031 INFO L273 TraceCheckUtils]: 6: Hoare triple {28950#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {29149#(or (not (bvslt (_ bv0 32) main_~main__limit~0)) (bvslt (_ bv3 32) main_~main__bufsize~0))} is VALID [2018-11-23 11:36:47,031 INFO L273 TraceCheckUtils]: 5: Hoare triple {28950#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {28950#true} is VALID [2018-11-23 11:36:47,032 INFO L256 TraceCheckUtils]: 4: Hoare triple {28950#true} call #t~ret4 := main(); {28950#true} is VALID [2018-11-23 11:36:47,032 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {28950#true} {28950#true} #139#return; {28950#true} is VALID [2018-11-23 11:36:47,032 INFO L273 TraceCheckUtils]: 2: Hoare triple {28950#true} assume true; {28950#true} is VALID [2018-11-23 11:36:47,032 INFO L273 TraceCheckUtils]: 1: Hoare triple {28950#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {28950#true} is VALID [2018-11-23 11:36:47,033 INFO L256 TraceCheckUtils]: 0: Hoare triple {28950#true} call ULTIMATE.init(); {28950#true} is VALID [2018-11-23 11:36:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:47,036 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:36:47,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-23 11:36:47,037 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2018-11-23 11:36:47,037 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:36:47,037 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-23 11:36:47,210 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:47,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 11:36:47,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 11:36:47,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-11-23 11:36:47,211 INFO L87 Difference]: Start difference. First operand 238 states and 289 transitions. Second operand 14 states. [2018-11-23 11:36:55,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:55,307 INFO L93 Difference]: Finished difference Result 378 states and 437 transitions. [2018-11-23 11:36:55,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 11:36:55,307 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2018-11-23 11:36:55,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:36:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:36:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 222 transitions. [2018-11-23 11:36:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:36:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 222 transitions. [2018-11-23 11:36:55,311 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 222 transitions. [2018-11-23 11:36:56,611 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:56,619 INFO L225 Difference]: With dead ends: 378 [2018-11-23 11:36:56,619 INFO L226 Difference]: Without dead ends: 376 [2018-11-23 11:36:56,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=230, Invalid=582, Unknown=0, NotChecked=0, Total=812 [2018-11-23 11:36:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-11-23 11:36:57,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 236. [2018-11-23 11:36:57,339 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:36:57,339 INFO L82 GeneralOperation]: Start isEquivalent. First operand 376 states. Second operand 236 states. [2018-11-23 11:36:57,339 INFO L74 IsIncluded]: Start isIncluded. First operand 376 states. Second operand 236 states. [2018-11-23 11:36:57,339 INFO L87 Difference]: Start difference. First operand 376 states. Second operand 236 states. [2018-11-23 11:36:57,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:57,347 INFO L93 Difference]: Finished difference Result 376 states and 433 transitions. [2018-11-23 11:36:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 433 transitions. [2018-11-23 11:36:57,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:57,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:57,348 INFO L74 IsIncluded]: Start isIncluded. First operand 236 states. Second operand 376 states. [2018-11-23 11:36:57,348 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 376 states. [2018-11-23 11:36:57,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:36:57,356 INFO L93 Difference]: Finished difference Result 376 states and 433 transitions. [2018-11-23 11:36:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 433 transitions. [2018-11-23 11:36:57,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:36:57,357 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:36:57,357 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:36:57,357 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:36:57,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-23 11:36:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 285 transitions. [2018-11-23 11:36:57,361 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 285 transitions. Word has length 35 [2018-11-23 11:36:57,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:36:57,361 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 285 transitions. [2018-11-23 11:36:57,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 11:36:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 285 transitions. [2018-11-23 11:36:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 11:36:57,361 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:36:57,361 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:36:57,362 INFO L423 AbstractCegarLoop]: === Iteration 29 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:36:57,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:36:57,362 INFO L82 PathProgramCache]: Analyzing trace with hash 2062637551, now seen corresponding path program 1 times [2018-11-23 11:36:57,362 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:36:57,362 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 30 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 30 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:36:57,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:36:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:36:57,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:36:57,548 INFO L256 TraceCheckUtils]: 0: Hoare triple {30679#true} call ULTIMATE.init(); {30679#true} is VALID [2018-11-23 11:36:57,548 INFO L273 TraceCheckUtils]: 1: Hoare triple {30679#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {30679#true} is VALID [2018-11-23 11:36:57,549 INFO L273 TraceCheckUtils]: 2: Hoare triple {30679#true} assume true; {30679#true} is VALID [2018-11-23 11:36:57,549 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {30679#true} {30679#true} #139#return; {30679#true} is VALID [2018-11-23 11:36:57,549 INFO L256 TraceCheckUtils]: 4: Hoare triple {30679#true} call #t~ret4 := main(); {30679#true} is VALID [2018-11-23 11:36:57,549 INFO L273 TraceCheckUtils]: 5: Hoare triple {30679#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {30679#true} is VALID [2018-11-23 11:36:57,550 INFO L273 TraceCheckUtils]: 6: Hoare triple {30679#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {30679#true} is VALID [2018-11-23 11:36:57,550 INFO L273 TraceCheckUtils]: 7: Hoare triple {30679#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,551 INFO L273 TraceCheckUtils]: 8: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,551 INFO L273 TraceCheckUtils]: 9: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,552 INFO L273 TraceCheckUtils]: 10: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,552 INFO L273 TraceCheckUtils]: 11: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,552 INFO L273 TraceCheckUtils]: 12: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,552 INFO L273 TraceCheckUtils]: 13: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,553 INFO L273 TraceCheckUtils]: 14: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,553 INFO L273 TraceCheckUtils]: 15: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,554 INFO L273 TraceCheckUtils]: 16: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,554 INFO L273 TraceCheckUtils]: 17: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {30705#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,555 INFO L273 TraceCheckUtils]: 18: Hoare triple {30705#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {30739#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,555 INFO L273 TraceCheckUtils]: 19: Hoare triple {30739#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {30739#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,556 INFO L273 TraceCheckUtils]: 20: Hoare triple {30739#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {30739#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,556 INFO L273 TraceCheckUtils]: 21: Hoare triple {30739#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {30739#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,557 INFO L273 TraceCheckUtils]: 22: Hoare triple {30739#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {30739#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,557 INFO L273 TraceCheckUtils]: 23: Hoare triple {30739#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {30739#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,558 INFO L273 TraceCheckUtils]: 24: Hoare triple {30739#(= (_ bv1 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {30739#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,558 INFO L273 TraceCheckUtils]: 25: Hoare triple {30739#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {30739#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,559 INFO L273 TraceCheckUtils]: 26: Hoare triple {30739#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {30739#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,559 INFO L273 TraceCheckUtils]: 27: Hoare triple {30739#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {30739#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,560 INFO L273 TraceCheckUtils]: 28: Hoare triple {30739#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {30770#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,561 INFO L273 TraceCheckUtils]: 29: Hoare triple {30770#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {30770#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,561 INFO L273 TraceCheckUtils]: 30: Hoare triple {30770#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {30770#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,562 INFO L273 TraceCheckUtils]: 31: Hoare triple {30770#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {30770#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,563 INFO L273 TraceCheckUtils]: 32: Hoare triple {30770#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {30783#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,564 INFO L273 TraceCheckUtils]: 33: Hoare triple {30783#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {30787#(= (bvadd main_~__VERIFIER_assert__cond~15 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:36:57,564 INFO L273 TraceCheckUtils]: 34: Hoare triple {30787#(= (bvadd main_~__VERIFIER_assert__cond~15 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~15; {30680#false} is VALID [2018-11-23 11:36:57,565 INFO L273 TraceCheckUtils]: 35: Hoare triple {30680#false} assume !false; {30680#false} is VALID [2018-11-23 11:36:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:57,566 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:36:57,682 INFO L273 TraceCheckUtils]: 35: Hoare triple {30680#false} assume !false; {30680#false} is VALID [2018-11-23 11:36:57,682 INFO L273 TraceCheckUtils]: 34: Hoare triple {30797#(not (= main_~__VERIFIER_assert__cond~15 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~15; {30680#false} is VALID [2018-11-23 11:36:57,683 INFO L273 TraceCheckUtils]: 33: Hoare triple {30801#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {30797#(not (= main_~__VERIFIER_assert__cond~15 (_ bv0 32)))} is VALID [2018-11-23 11:36:57,684 INFO L273 TraceCheckUtils]: 32: Hoare triple {30805#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {30801#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:36:57,685 INFO L273 TraceCheckUtils]: 31: Hoare triple {30805#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {30805#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:57,685 INFO L273 TraceCheckUtils]: 30: Hoare triple {30805#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {30805#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:57,686 INFO L273 TraceCheckUtils]: 29: Hoare triple {30805#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {30805#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:57,690 INFO L273 TraceCheckUtils]: 28: Hoare triple {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {30805#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:36:57,690 INFO L273 TraceCheckUtils]: 27: Hoare triple {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:57,691 INFO L273 TraceCheckUtils]: 26: Hoare triple {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:57,691 INFO L273 TraceCheckUtils]: 25: Hoare triple {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:57,691 INFO L273 TraceCheckUtils]: 24: Hoare triple {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:57,692 INFO L273 TraceCheckUtils]: 23: Hoare triple {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:57,692 INFO L273 TraceCheckUtils]: 22: Hoare triple {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:57,692 INFO L273 TraceCheckUtils]: 21: Hoare triple {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:57,693 INFO L273 TraceCheckUtils]: 20: Hoare triple {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:57,693 INFO L273 TraceCheckUtils]: 19: Hoare triple {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:57,695 INFO L273 TraceCheckUtils]: 18: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {30818#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:36:57,695 INFO L273 TraceCheckUtils]: 17: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,696 INFO L273 TraceCheckUtils]: 16: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,696 INFO L273 TraceCheckUtils]: 15: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,697 INFO L273 TraceCheckUtils]: 14: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,697 INFO L273 TraceCheckUtils]: 13: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,700 INFO L273 TraceCheckUtils]: 12: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,700 INFO L273 TraceCheckUtils]: 11: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,702 INFO L273 TraceCheckUtils]: 10: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,702 INFO L273 TraceCheckUtils]: 9: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,704 INFO L273 TraceCheckUtils]: 8: Hoare triple {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,704 INFO L273 TraceCheckUtils]: 7: Hoare triple {30679#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {30849#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:36:57,704 INFO L273 TraceCheckUtils]: 6: Hoare triple {30679#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {30679#true} is VALID [2018-11-23 11:36:57,704 INFO L273 TraceCheckUtils]: 5: Hoare triple {30679#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {30679#true} is VALID [2018-11-23 11:36:57,704 INFO L256 TraceCheckUtils]: 4: Hoare triple {30679#true} call #t~ret4 := main(); {30679#true} is VALID [2018-11-23 11:36:57,705 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {30679#true} {30679#true} #139#return; {30679#true} is VALID [2018-11-23 11:36:57,705 INFO L273 TraceCheckUtils]: 2: Hoare triple {30679#true} assume true; {30679#true} is VALID [2018-11-23 11:36:57,705 INFO L273 TraceCheckUtils]: 1: Hoare triple {30679#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {30679#true} is VALID [2018-11-23 11:36:57,705 INFO L256 TraceCheckUtils]: 0: Hoare triple {30679#true} call ULTIMATE.init(); {30679#true} is VALID [2018-11-23 11:36:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:36:57,708 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:36:57,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 11:36:57,709 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-11-23 11:36:57,709 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:36:57,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states. [2018-11-23 11:36:57,806 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:36:57,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 11:36:57,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 11:36:57,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-11-23 11:36:57,807 INFO L87 Difference]: Start difference. First operand 236 states and 285 transitions. Second operand 12 states. [2018-11-23 11:37:04,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:04,687 INFO L93 Difference]: Finished difference Result 918 states and 1050 transitions. [2018-11-23 11:37:04,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-23 11:37:04,687 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-11-23 11:37:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:37:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 11:37:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 668 transitions. [2018-11-23 11:37:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 11:37:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 668 transitions. [2018-11-23 11:37:04,693 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 668 transitions. [2018-11-23 11:37:05,720 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 668 edges. 668 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:37:05,756 INFO L225 Difference]: With dead ends: 918 [2018-11-23 11:37:05,757 INFO L226 Difference]: Without dead ends: 916 [2018-11-23 11:37:05,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=294, Invalid=636, Unknown=0, NotChecked=0, Total=930 [2018-11-23 11:37:05,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2018-11-23 11:37:06,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 360. [2018-11-23 11:37:06,564 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:37:06,565 INFO L82 GeneralOperation]: Start isEquivalent. First operand 916 states. Second operand 360 states. [2018-11-23 11:37:06,565 INFO L74 IsIncluded]: Start isIncluded. First operand 916 states. Second operand 360 states. [2018-11-23 11:37:06,565 INFO L87 Difference]: Start difference. First operand 916 states. Second operand 360 states. [2018-11-23 11:37:06,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:06,596 INFO L93 Difference]: Finished difference Result 916 states and 1043 transitions. [2018-11-23 11:37:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1043 transitions. [2018-11-23 11:37:06,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:06,597 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:37:06,597 INFO L74 IsIncluded]: Start isIncluded. First operand 360 states. Second operand 916 states. [2018-11-23 11:37:06,597 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 916 states. [2018-11-23 11:37:06,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:06,623 INFO L93 Difference]: Finished difference Result 916 states and 1043 transitions. [2018-11-23 11:37:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1043 transitions. [2018-11-23 11:37:06,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:06,624 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:37:06,624 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:37:06,624 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:37:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-11-23 11:37:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 446 transitions. [2018-11-23 11:37:06,629 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 446 transitions. Word has length 36 [2018-11-23 11:37:06,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:37:06,629 INFO L480 AbstractCegarLoop]: Abstraction has 360 states and 446 transitions. [2018-11-23 11:37:06,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 11:37:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 446 transitions. [2018-11-23 11:37:06,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 11:37:06,630 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:37:06,630 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:37:06,630 INFO L423 AbstractCegarLoop]: === Iteration 30 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:37:06,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:37:06,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1930990150, now seen corresponding path program 1 times [2018-11-23 11:37:06,631 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:37:06,631 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 31 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 31 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:37:06,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:37:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:06,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:37:06,845 INFO L256 TraceCheckUtils]: 0: Hoare triple {34263#true} call ULTIMATE.init(); {34263#true} is VALID [2018-11-23 11:37:06,846 INFO L273 TraceCheckUtils]: 1: Hoare triple {34263#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {34263#true} is VALID [2018-11-23 11:37:06,846 INFO L273 TraceCheckUtils]: 2: Hoare triple {34263#true} assume true; {34263#true} is VALID [2018-11-23 11:37:06,846 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34263#true} {34263#true} #139#return; {34263#true} is VALID [2018-11-23 11:37:06,846 INFO L256 TraceCheckUtils]: 4: Hoare triple {34263#true} call #t~ret4 := main(); {34263#true} is VALID [2018-11-23 11:37:06,846 INFO L273 TraceCheckUtils]: 5: Hoare triple {34263#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {34263#true} is VALID [2018-11-23 11:37:06,846 INFO L273 TraceCheckUtils]: 6: Hoare triple {34263#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {34263#true} is VALID [2018-11-23 11:37:06,847 INFO L273 TraceCheckUtils]: 7: Hoare triple {34263#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,847 INFO L273 TraceCheckUtils]: 8: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,847 INFO L273 TraceCheckUtils]: 9: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,848 INFO L273 TraceCheckUtils]: 10: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,848 INFO L273 TraceCheckUtils]: 11: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,848 INFO L273 TraceCheckUtils]: 12: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,849 INFO L273 TraceCheckUtils]: 13: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,849 INFO L273 TraceCheckUtils]: 14: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,849 INFO L273 TraceCheckUtils]: 15: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,850 INFO L273 TraceCheckUtils]: 16: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,850 INFO L273 TraceCheckUtils]: 17: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {34289#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,851 INFO L273 TraceCheckUtils]: 18: Hoare triple {34289#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {34323#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,851 INFO L273 TraceCheckUtils]: 19: Hoare triple {34323#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {34323#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,851 INFO L273 TraceCheckUtils]: 20: Hoare triple {34323#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {34323#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,852 INFO L273 TraceCheckUtils]: 21: Hoare triple {34323#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {34323#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,852 INFO L273 TraceCheckUtils]: 22: Hoare triple {34323#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {34323#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,853 INFO L273 TraceCheckUtils]: 23: Hoare triple {34323#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {34323#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,853 INFO L273 TraceCheckUtils]: 24: Hoare triple {34323#(= (_ bv1 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {34323#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,854 INFO L273 TraceCheckUtils]: 25: Hoare triple {34323#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {34323#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,854 INFO L273 TraceCheckUtils]: 26: Hoare triple {34323#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {34323#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,855 INFO L273 TraceCheckUtils]: 27: Hoare triple {34323#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {34323#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,856 INFO L273 TraceCheckUtils]: 28: Hoare triple {34323#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {34354#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,856 INFO L273 TraceCheckUtils]: 29: Hoare triple {34354#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {34354#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,857 INFO L273 TraceCheckUtils]: 30: Hoare triple {34354#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {34354#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,857 INFO L273 TraceCheckUtils]: 31: Hoare triple {34354#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {34354#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,858 INFO L273 TraceCheckUtils]: 32: Hoare triple {34354#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {34367#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,858 INFO L273 TraceCheckUtils]: 33: Hoare triple {34367#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {34367#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,859 INFO L273 TraceCheckUtils]: 34: Hoare triple {34367#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {34374#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,860 INFO L273 TraceCheckUtils]: 35: Hoare triple {34374#(= (_ bv4 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {34374#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,860 INFO L273 TraceCheckUtils]: 36: Hoare triple {34374#(= (_ bv4 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {34374#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,861 INFO L273 TraceCheckUtils]: 37: Hoare triple {34374#(= (_ bv4 32) main_~main__j~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {34374#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,861 INFO L273 TraceCheckUtils]: 38: Hoare triple {34374#(= (_ bv4 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {34374#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,862 INFO L273 TraceCheckUtils]: 39: Hoare triple {34374#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {34374#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,862 INFO L273 TraceCheckUtils]: 40: Hoare triple {34374#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {34374#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:06,863 INFO L273 TraceCheckUtils]: 41: Hoare triple {34374#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {34396#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:37:06,864 INFO L273 TraceCheckUtils]: 42: Hoare triple {34396#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {34264#false} is VALID [2018-11-23 11:37:06,864 INFO L273 TraceCheckUtils]: 43: Hoare triple {34264#false} assume !false; {34264#false} is VALID [2018-11-23 11:37:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:06,867 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:37:07,178 INFO L273 TraceCheckUtils]: 43: Hoare triple {34264#false} assume !false; {34264#false} is VALID [2018-11-23 11:37:07,178 INFO L273 TraceCheckUtils]: 42: Hoare triple {34406#(not (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {34264#false} is VALID [2018-11-23 11:37:07,180 INFO L273 TraceCheckUtils]: 41: Hoare triple {34410#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {34406#(not (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)))} is VALID [2018-11-23 11:37:07,180 INFO L273 TraceCheckUtils]: 40: Hoare triple {34410#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {34410#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:07,182 INFO L273 TraceCheckUtils]: 39: Hoare triple {34410#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {34410#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:07,182 INFO L273 TraceCheckUtils]: 38: Hoare triple {34410#(bvsle (_ bv0 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {34410#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:07,185 INFO L273 TraceCheckUtils]: 37: Hoare triple {34410#(bvsle (_ bv0 32) main_~main__j~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {34410#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:07,185 INFO L273 TraceCheckUtils]: 36: Hoare triple {34410#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {34410#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:07,187 INFO L273 TraceCheckUtils]: 35: Hoare triple {34410#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {34410#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:07,187 INFO L273 TraceCheckUtils]: 34: Hoare triple {34432#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {34410#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:07,190 INFO L273 TraceCheckUtils]: 33: Hoare triple {34432#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {34432#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:07,192 INFO L273 TraceCheckUtils]: 32: Hoare triple {34439#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {34432#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:07,193 INFO L273 TraceCheckUtils]: 31: Hoare triple {34439#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {34439#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:07,194 INFO L273 TraceCheckUtils]: 30: Hoare triple {34439#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {34439#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:07,194 INFO L273 TraceCheckUtils]: 29: Hoare triple {34439#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {34439#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:07,197 INFO L273 TraceCheckUtils]: 28: Hoare triple {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {34439#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:07,197 INFO L273 TraceCheckUtils]: 27: Hoare triple {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:07,199 INFO L273 TraceCheckUtils]: 26: Hoare triple {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:07,199 INFO L273 TraceCheckUtils]: 25: Hoare triple {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:07,201 INFO L273 TraceCheckUtils]: 24: Hoare triple {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:07,201 INFO L273 TraceCheckUtils]: 23: Hoare triple {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:07,203 INFO L273 TraceCheckUtils]: 22: Hoare triple {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:07,203 INFO L273 TraceCheckUtils]: 21: Hoare triple {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:07,205 INFO L273 TraceCheckUtils]: 20: Hoare triple {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:07,205 INFO L273 TraceCheckUtils]: 19: Hoare triple {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:07,207 INFO L273 TraceCheckUtils]: 18: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {34452#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:07,208 INFO L273 TraceCheckUtils]: 17: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,210 INFO L273 TraceCheckUtils]: 16: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,210 INFO L273 TraceCheckUtils]: 15: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,212 INFO L273 TraceCheckUtils]: 14: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,212 INFO L273 TraceCheckUtils]: 13: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,214 INFO L273 TraceCheckUtils]: 12: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,214 INFO L273 TraceCheckUtils]: 11: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,214 INFO L273 TraceCheckUtils]: 10: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,216 INFO L273 TraceCheckUtils]: 9: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,216 INFO L273 TraceCheckUtils]: 8: Hoare triple {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,218 INFO L273 TraceCheckUtils]: 7: Hoare triple {34263#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {34483#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:07,218 INFO L273 TraceCheckUtils]: 6: Hoare triple {34263#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {34263#true} is VALID [2018-11-23 11:37:07,218 INFO L273 TraceCheckUtils]: 5: Hoare triple {34263#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {34263#true} is VALID [2018-11-23 11:37:07,218 INFO L256 TraceCheckUtils]: 4: Hoare triple {34263#true} call #t~ret4 := main(); {34263#true} is VALID [2018-11-23 11:37:07,218 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {34263#true} {34263#true} #139#return; {34263#true} is VALID [2018-11-23 11:37:07,218 INFO L273 TraceCheckUtils]: 2: Hoare triple {34263#true} assume true; {34263#true} is VALID [2018-11-23 11:37:07,218 INFO L273 TraceCheckUtils]: 1: Hoare triple {34263#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {34263#true} is VALID [2018-11-23 11:37:07,219 INFO L256 TraceCheckUtils]: 0: Hoare triple {34263#true} call ULTIMATE.init(); {34263#true} is VALID [2018-11-23 11:37:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:07,222 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:37:07,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-23 11:37:07,222 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2018-11-23 11:37:07,223 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:37:07,223 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-23 11:37:07,367 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:37:07,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 11:37:07,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 11:37:07,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2018-11-23 11:37:07,368 INFO L87 Difference]: Start difference. First operand 360 states and 446 transitions. Second operand 14 states. [2018-11-23 11:37:15,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:15,232 INFO L93 Difference]: Finished difference Result 1070 states and 1244 transitions. [2018-11-23 11:37:15,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-23 11:37:15,232 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2018-11-23 11:37:15,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:37:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:37:15,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 641 transitions. [2018-11-23 11:37:15,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:37:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 641 transitions. [2018-11-23 11:37:15,238 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 34 states and 641 transitions. [2018-11-23 11:37:16,200 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 641 edges. 641 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:37:16,245 INFO L225 Difference]: With dead ends: 1070 [2018-11-23 11:37:16,246 INFO L226 Difference]: Without dead ends: 1039 [2018-11-23 11:37:16,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=434, Invalid=972, Unknown=0, NotChecked=0, Total=1406 [2018-11-23 11:37:16,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2018-11-23 11:37:17,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 450. [2018-11-23 11:37:17,824 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:37:17,824 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1039 states. Second operand 450 states. [2018-11-23 11:37:17,824 INFO L74 IsIncluded]: Start isIncluded. First operand 1039 states. Second operand 450 states. [2018-11-23 11:37:17,824 INFO L87 Difference]: Start difference. First operand 1039 states. Second operand 450 states. [2018-11-23 11:37:17,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:17,865 INFO L93 Difference]: Finished difference Result 1039 states and 1187 transitions. [2018-11-23 11:37:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1187 transitions. [2018-11-23 11:37:17,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:17,867 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:37:17,867 INFO L74 IsIncluded]: Start isIncluded. First operand 450 states. Second operand 1039 states. [2018-11-23 11:37:17,867 INFO L87 Difference]: Start difference. First operand 450 states. Second operand 1039 states. [2018-11-23 11:37:17,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:17,904 INFO L93 Difference]: Finished difference Result 1039 states and 1187 transitions. [2018-11-23 11:37:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1187 transitions. [2018-11-23 11:37:17,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:17,905 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:37:17,905 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:37:17,905 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:37:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-11-23 11:37:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 556 transitions. [2018-11-23 11:37:17,913 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 556 transitions. Word has length 44 [2018-11-23 11:37:17,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:37:17,914 INFO L480 AbstractCegarLoop]: Abstraction has 450 states and 556 transitions. [2018-11-23 11:37:17,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 11:37:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 556 transitions. [2018-11-23 11:37:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 11:37:17,914 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:37:17,914 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:37:17,915 INFO L423 AbstractCegarLoop]: === Iteration 31 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:37:17,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:37:17,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1963559894, now seen corresponding path program 1 times [2018-11-23 11:37:17,915 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:37:17,915 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 32 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 32 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:37:17,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:37:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:18,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:37:18,142 INFO L256 TraceCheckUtils]: 0: Hoare triple {38422#true} call ULTIMATE.init(); {38422#true} is VALID [2018-11-23 11:37:18,142 INFO L273 TraceCheckUtils]: 1: Hoare triple {38422#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {38422#true} is VALID [2018-11-23 11:37:18,142 INFO L273 TraceCheckUtils]: 2: Hoare triple {38422#true} assume true; {38422#true} is VALID [2018-11-23 11:37:18,143 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {38422#true} {38422#true} #139#return; {38422#true} is VALID [2018-11-23 11:37:18,143 INFO L256 TraceCheckUtils]: 4: Hoare triple {38422#true} call #t~ret4 := main(); {38422#true} is VALID [2018-11-23 11:37:18,143 INFO L273 TraceCheckUtils]: 5: Hoare triple {38422#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {38422#true} is VALID [2018-11-23 11:37:18,144 INFO L273 TraceCheckUtils]: 6: Hoare triple {38422#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,144 INFO L273 TraceCheckUtils]: 7: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,145 INFO L273 TraceCheckUtils]: 8: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,145 INFO L273 TraceCheckUtils]: 9: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,145 INFO L273 TraceCheckUtils]: 10: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,145 INFO L273 TraceCheckUtils]: 11: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,146 INFO L273 TraceCheckUtils]: 12: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,146 INFO L273 TraceCheckUtils]: 13: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,146 INFO L273 TraceCheckUtils]: 14: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,147 INFO L273 TraceCheckUtils]: 15: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,147 INFO L273 TraceCheckUtils]: 16: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {38445#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,150 INFO L273 TraceCheckUtils]: 17: Hoare triple {38445#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {38479#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,150 INFO L273 TraceCheckUtils]: 18: Hoare triple {38479#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {38479#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,151 INFO L273 TraceCheckUtils]: 19: Hoare triple {38479#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {38479#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,151 INFO L273 TraceCheckUtils]: 20: Hoare triple {38479#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {38479#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,152 INFO L273 TraceCheckUtils]: 21: Hoare triple {38479#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,152 INFO L273 TraceCheckUtils]: 22: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,153 INFO L273 TraceCheckUtils]: 23: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,153 INFO L273 TraceCheckUtils]: 24: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,153 INFO L273 TraceCheckUtils]: 25: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,154 INFO L273 TraceCheckUtils]: 26: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,154 INFO L273 TraceCheckUtils]: 27: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,154 INFO L273 TraceCheckUtils]: 28: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,155 INFO L273 TraceCheckUtils]: 29: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,155 INFO L273 TraceCheckUtils]: 30: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,155 INFO L273 TraceCheckUtils]: 31: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,156 INFO L273 TraceCheckUtils]: 32: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {38492#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,157 INFO L273 TraceCheckUtils]: 33: Hoare triple {38492#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {38529#(= (_ bv3 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,157 INFO L273 TraceCheckUtils]: 34: Hoare triple {38529#(= (_ bv3 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {38529#(= (_ bv3 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,158 INFO L273 TraceCheckUtils]: 35: Hoare triple {38529#(= (_ bv3 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {38529#(= (_ bv3 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,158 INFO L273 TraceCheckUtils]: 36: Hoare triple {38529#(= (_ bv3 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {38529#(= (_ bv3 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,159 INFO L273 TraceCheckUtils]: 37: Hoare triple {38529#(= (_ bv3 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {38542#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,159 INFO L273 TraceCheckUtils]: 38: Hoare triple {38542#(= (_ bv4 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {38542#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,160 INFO L273 TraceCheckUtils]: 39: Hoare triple {38542#(= (_ bv4 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {38542#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,160 INFO L273 TraceCheckUtils]: 40: Hoare triple {38542#(= (_ bv4 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {38542#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,161 INFO L273 TraceCheckUtils]: 41: Hoare triple {38542#(= (_ bv4 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {38542#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,161 INFO L273 TraceCheckUtils]: 42: Hoare triple {38542#(= (_ bv4 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {38542#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,162 INFO L273 TraceCheckUtils]: 43: Hoare triple {38542#(= (_ bv4 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {38561#(= (_ bv1 32) main_~__VERIFIER_assert__cond~1)} is VALID [2018-11-23 11:37:18,162 INFO L273 TraceCheckUtils]: 44: Hoare triple {38561#(= (_ bv1 32) main_~__VERIFIER_assert__cond~1)} assume 0bv32 == ~__VERIFIER_assert__cond~1; {38423#false} is VALID [2018-11-23 11:37:18,163 INFO L273 TraceCheckUtils]: 45: Hoare triple {38423#false} assume !false; {38423#false} is VALID [2018-11-23 11:37:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:18,165 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:37:18,322 INFO L273 TraceCheckUtils]: 45: Hoare triple {38423#false} assume !false; {38423#false} is VALID [2018-11-23 11:37:18,323 INFO L273 TraceCheckUtils]: 44: Hoare triple {38571#(not (= main_~__VERIFIER_assert__cond~1 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~1; {38423#false} is VALID [2018-11-23 11:37:18,323 INFO L273 TraceCheckUtils]: 43: Hoare triple {38575#(bvsle (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {38571#(not (= main_~__VERIFIER_assert__cond~1 (_ bv0 32)))} is VALID [2018-11-23 11:37:18,324 INFO L273 TraceCheckUtils]: 42: Hoare triple {38575#(bvsle (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {38575#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,324 INFO L273 TraceCheckUtils]: 41: Hoare triple {38575#(bvsle (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {38575#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,325 INFO L273 TraceCheckUtils]: 40: Hoare triple {38575#(bvsle (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {38575#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,325 INFO L273 TraceCheckUtils]: 39: Hoare triple {38575#(bvsle (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {38575#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,326 INFO L273 TraceCheckUtils]: 38: Hoare triple {38575#(bvsle (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {38575#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,328 INFO L273 TraceCheckUtils]: 37: Hoare triple {38594#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {38575#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:18,329 INFO L273 TraceCheckUtils]: 36: Hoare triple {38594#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {38594#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:18,329 INFO L273 TraceCheckUtils]: 35: Hoare triple {38594#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {38594#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:18,330 INFO L273 TraceCheckUtils]: 34: Hoare triple {38594#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {38594#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:18,334 INFO L273 TraceCheckUtils]: 33: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {38594#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:18,334 INFO L273 TraceCheckUtils]: 32: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,334 INFO L273 TraceCheckUtils]: 31: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,335 INFO L273 TraceCheckUtils]: 30: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,335 INFO L273 TraceCheckUtils]: 29: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,335 INFO L273 TraceCheckUtils]: 28: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,336 INFO L273 TraceCheckUtils]: 27: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,336 INFO L273 TraceCheckUtils]: 26: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,336 INFO L273 TraceCheckUtils]: 25: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,337 INFO L273 TraceCheckUtils]: 24: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,337 INFO L273 TraceCheckUtils]: 23: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,337 INFO L273 TraceCheckUtils]: 22: Hoare triple {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,341 INFO L273 TraceCheckUtils]: 21: Hoare triple {38644#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {38607#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:18,341 INFO L273 TraceCheckUtils]: 20: Hoare triple {38644#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {38644#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:18,341 INFO L273 TraceCheckUtils]: 19: Hoare triple {38644#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {38644#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:18,342 INFO L273 TraceCheckUtils]: 18: Hoare triple {38644#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {38644#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:18,345 INFO L273 TraceCheckUtils]: 17: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {38644#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:18,345 INFO L273 TraceCheckUtils]: 16: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,346 INFO L273 TraceCheckUtils]: 15: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,346 INFO L273 TraceCheckUtils]: 14: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,346 INFO L273 TraceCheckUtils]: 13: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,347 INFO L273 TraceCheckUtils]: 12: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,347 INFO L273 TraceCheckUtils]: 11: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,347 INFO L273 TraceCheckUtils]: 10: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,348 INFO L273 TraceCheckUtils]: 9: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,348 INFO L273 TraceCheckUtils]: 8: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,349 INFO L273 TraceCheckUtils]: 7: Hoare triple {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,349 INFO L273 TraceCheckUtils]: 6: Hoare triple {38422#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {38657#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:18,350 INFO L273 TraceCheckUtils]: 5: Hoare triple {38422#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {38422#true} is VALID [2018-11-23 11:37:18,350 INFO L256 TraceCheckUtils]: 4: Hoare triple {38422#true} call #t~ret4 := main(); {38422#true} is VALID [2018-11-23 11:37:18,350 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {38422#true} {38422#true} #139#return; {38422#true} is VALID [2018-11-23 11:37:18,350 INFO L273 TraceCheckUtils]: 2: Hoare triple {38422#true} assume true; {38422#true} is VALID [2018-11-23 11:37:18,350 INFO L273 TraceCheckUtils]: 1: Hoare triple {38422#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {38422#true} is VALID [2018-11-23 11:37:18,351 INFO L256 TraceCheckUtils]: 0: Hoare triple {38422#true} call ULTIMATE.init(); {38422#true} is VALID [2018-11-23 11:37:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:18,356 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:37:18,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-23 11:37:18,356 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 46 [2018-11-23 11:37:18,356 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:37:18,356 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-23 11:37:18,479 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:37:18,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 11:37:18,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 11:37:18,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2018-11-23 11:37:18,479 INFO L87 Difference]: Start difference. First operand 450 states and 556 transitions. Second operand 14 states. [2018-11-23 11:37:25,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:25,896 INFO L93 Difference]: Finished difference Result 1583 states and 1923 transitions. [2018-11-23 11:37:25,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 11:37:25,896 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 46 [2018-11-23 11:37:25,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:37:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:37:25,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 259 transitions. [2018-11-23 11:37:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:37:25,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 259 transitions. [2018-11-23 11:37:25,899 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 259 transitions. [2018-11-23 11:37:26,356 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 259 edges. 259 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:37:26,470 INFO L225 Difference]: With dead ends: 1583 [2018-11-23 11:37:26,470 INFO L226 Difference]: Without dead ends: 1581 [2018-11-23 11:37:26,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2018-11-23 11:37:26,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2018-11-23 11:37:28,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 448. [2018-11-23 11:37:28,031 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:37:28,031 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1581 states. Second operand 448 states. [2018-11-23 11:37:28,031 INFO L74 IsIncluded]: Start isIncluded. First operand 1581 states. Second operand 448 states. [2018-11-23 11:37:28,031 INFO L87 Difference]: Start difference. First operand 1581 states. Second operand 448 states. [2018-11-23 11:37:28,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:28,109 INFO L93 Difference]: Finished difference Result 1581 states and 1881 transitions. [2018-11-23 11:37:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1881 transitions. [2018-11-23 11:37:28,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:28,110 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:37:28,111 INFO L74 IsIncluded]: Start isIncluded. First operand 448 states. Second operand 1581 states. [2018-11-23 11:37:28,111 INFO L87 Difference]: Start difference. First operand 448 states. Second operand 1581 states. [2018-11-23 11:37:28,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:28,187 INFO L93 Difference]: Finished difference Result 1581 states and 1881 transitions. [2018-11-23 11:37:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1881 transitions. [2018-11-23 11:37:28,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:28,189 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:37:28,189 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:37:28,189 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:37:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-11-23 11:37:28,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 540 transitions. [2018-11-23 11:37:28,198 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 540 transitions. Word has length 46 [2018-11-23 11:37:28,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:37:28,198 INFO L480 AbstractCegarLoop]: Abstraction has 448 states and 540 transitions. [2018-11-23 11:37:28,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 11:37:28,198 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 540 transitions. [2018-11-23 11:37:28,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 11:37:28,199 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:37:28,199 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:37:28,200 INFO L423 AbstractCegarLoop]: === Iteration 32 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:37:28,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:37:28,200 INFO L82 PathProgramCache]: Analyzing trace with hash -363849386, now seen corresponding path program 1 times [2018-11-23 11:37:28,200 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:37:28,200 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 33 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 33 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:37:28,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:37:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:28,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:37:28,431 INFO L256 TraceCheckUtils]: 0: Hoare triple {44233#true} call ULTIMATE.init(); {44233#true} is VALID [2018-11-23 11:37:28,431 INFO L273 TraceCheckUtils]: 1: Hoare triple {44233#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {44233#true} is VALID [2018-11-23 11:37:28,431 INFO L273 TraceCheckUtils]: 2: Hoare triple {44233#true} assume true; {44233#true} is VALID [2018-11-23 11:37:28,431 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {44233#true} {44233#true} #139#return; {44233#true} is VALID [2018-11-23 11:37:28,432 INFO L256 TraceCheckUtils]: 4: Hoare triple {44233#true} call #t~ret4 := main(); {44233#true} is VALID [2018-11-23 11:37:28,432 INFO L273 TraceCheckUtils]: 5: Hoare triple {44233#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {44233#true} is VALID [2018-11-23 11:37:28,432 INFO L273 TraceCheckUtils]: 6: Hoare triple {44233#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {44233#true} is VALID [2018-11-23 11:37:28,433 INFO L273 TraceCheckUtils]: 7: Hoare triple {44233#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,433 INFO L273 TraceCheckUtils]: 8: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,434 INFO L273 TraceCheckUtils]: 9: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,434 INFO L273 TraceCheckUtils]: 10: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,435 INFO L273 TraceCheckUtils]: 11: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,435 INFO L273 TraceCheckUtils]: 12: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,435 INFO L273 TraceCheckUtils]: 13: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,436 INFO L273 TraceCheckUtils]: 14: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,436 INFO L273 TraceCheckUtils]: 15: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,436 INFO L273 TraceCheckUtils]: 16: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,436 INFO L273 TraceCheckUtils]: 17: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {44259#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,437 INFO L273 TraceCheckUtils]: 18: Hoare triple {44259#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {44293#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,438 INFO L273 TraceCheckUtils]: 19: Hoare triple {44293#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {44293#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,438 INFO L273 TraceCheckUtils]: 20: Hoare triple {44293#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {44293#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,439 INFO L273 TraceCheckUtils]: 21: Hoare triple {44293#(= (_ bv1 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {44293#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,439 INFO L273 TraceCheckUtils]: 22: Hoare triple {44293#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {44293#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,440 INFO L273 TraceCheckUtils]: 23: Hoare triple {44293#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {44293#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,440 INFO L273 TraceCheckUtils]: 24: Hoare triple {44293#(= (_ bv1 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {44293#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,441 INFO L273 TraceCheckUtils]: 25: Hoare triple {44293#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {44293#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,441 INFO L273 TraceCheckUtils]: 26: Hoare triple {44293#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {44293#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,442 INFO L273 TraceCheckUtils]: 27: Hoare triple {44293#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {44293#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,443 INFO L273 TraceCheckUtils]: 28: Hoare triple {44293#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {44324#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,443 INFO L273 TraceCheckUtils]: 29: Hoare triple {44324#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {44324#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,444 INFO L273 TraceCheckUtils]: 30: Hoare triple {44324#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {44324#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,445 INFO L273 TraceCheckUtils]: 31: Hoare triple {44324#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {44324#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,445 INFO L273 TraceCheckUtils]: 32: Hoare triple {44324#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {44337#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,446 INFO L273 TraceCheckUtils]: 33: Hoare triple {44337#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {44337#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,447 INFO L273 TraceCheckUtils]: 34: Hoare triple {44337#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {44344#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,447 INFO L273 TraceCheckUtils]: 35: Hoare triple {44344#(= (_ bv4 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {44344#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,448 INFO L273 TraceCheckUtils]: 36: Hoare triple {44344#(= (_ bv4 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {44344#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,448 INFO L273 TraceCheckUtils]: 37: Hoare triple {44344#(= (_ bv4 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {44344#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,449 INFO L273 TraceCheckUtils]: 38: Hoare triple {44344#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {44344#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,449 INFO L273 TraceCheckUtils]: 39: Hoare triple {44344#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {44344#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,450 INFO L273 TraceCheckUtils]: 40: Hoare triple {44344#(= (_ bv4 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {44344#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,450 INFO L273 TraceCheckUtils]: 41: Hoare triple {44344#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {44344#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,451 INFO L273 TraceCheckUtils]: 42: Hoare triple {44344#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {44344#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,452 INFO L273 TraceCheckUtils]: 43: Hoare triple {44344#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {44372#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:37:28,453 INFO L273 TraceCheckUtils]: 44: Hoare triple {44372#(= (bvadd main_~__VERIFIER_assert__cond~9 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~9; {44234#false} is VALID [2018-11-23 11:37:28,453 INFO L273 TraceCheckUtils]: 45: Hoare triple {44234#false} assume !false; {44234#false} is VALID [2018-11-23 11:37:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:28,456 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:37:28,648 INFO L273 TraceCheckUtils]: 45: Hoare triple {44234#false} assume !false; {44234#false} is VALID [2018-11-23 11:37:28,649 INFO L273 TraceCheckUtils]: 44: Hoare triple {44382#(not (= main_~__VERIFIER_assert__cond~9 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~9; {44234#false} is VALID [2018-11-23 11:37:28,649 INFO L273 TraceCheckUtils]: 43: Hoare triple {44386#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {44382#(not (= main_~__VERIFIER_assert__cond~9 (_ bv0 32)))} is VALID [2018-11-23 11:37:28,650 INFO L273 TraceCheckUtils]: 42: Hoare triple {44386#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {44386#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,650 INFO L273 TraceCheckUtils]: 41: Hoare triple {44386#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {44386#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,650 INFO L273 TraceCheckUtils]: 40: Hoare triple {44386#(bvsle (_ bv0 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {44386#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,651 INFO L273 TraceCheckUtils]: 39: Hoare triple {44386#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {44386#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,651 INFO L273 TraceCheckUtils]: 38: Hoare triple {44386#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {44386#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,651 INFO L273 TraceCheckUtils]: 37: Hoare triple {44386#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {44386#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,652 INFO L273 TraceCheckUtils]: 36: Hoare triple {44386#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {44386#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,652 INFO L273 TraceCheckUtils]: 35: Hoare triple {44386#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {44386#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,653 INFO L273 TraceCheckUtils]: 34: Hoare triple {44414#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {44386#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:28,654 INFO L273 TraceCheckUtils]: 33: Hoare triple {44414#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {44414#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:28,658 INFO L273 TraceCheckUtils]: 32: Hoare triple {44421#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {44414#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:28,658 INFO L273 TraceCheckUtils]: 31: Hoare triple {44421#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {44421#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:28,659 INFO L273 TraceCheckUtils]: 30: Hoare triple {44421#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {44421#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:28,659 INFO L273 TraceCheckUtils]: 29: Hoare triple {44421#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {44421#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:28,662 INFO L273 TraceCheckUtils]: 28: Hoare triple {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {44421#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:28,662 INFO L273 TraceCheckUtils]: 27: Hoare triple {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:28,662 INFO L273 TraceCheckUtils]: 26: Hoare triple {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:28,663 INFO L273 TraceCheckUtils]: 25: Hoare triple {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:28,663 INFO L273 TraceCheckUtils]: 24: Hoare triple {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:28,664 INFO L273 TraceCheckUtils]: 23: Hoare triple {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:28,664 INFO L273 TraceCheckUtils]: 22: Hoare triple {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:28,664 INFO L273 TraceCheckUtils]: 21: Hoare triple {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:28,665 INFO L273 TraceCheckUtils]: 20: Hoare triple {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:28,665 INFO L273 TraceCheckUtils]: 19: Hoare triple {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:28,669 INFO L273 TraceCheckUtils]: 18: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {44434#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:28,669 INFO L273 TraceCheckUtils]: 17: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,670 INFO L273 TraceCheckUtils]: 16: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,670 INFO L273 TraceCheckUtils]: 15: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,670 INFO L273 TraceCheckUtils]: 14: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,671 INFO L273 TraceCheckUtils]: 13: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,671 INFO L273 TraceCheckUtils]: 12: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,671 INFO L273 TraceCheckUtils]: 11: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,672 INFO L273 TraceCheckUtils]: 10: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,672 INFO L273 TraceCheckUtils]: 9: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,672 INFO L273 TraceCheckUtils]: 8: Hoare triple {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,673 INFO L273 TraceCheckUtils]: 7: Hoare triple {44233#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {44465#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:28,673 INFO L273 TraceCheckUtils]: 6: Hoare triple {44233#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {44233#true} is VALID [2018-11-23 11:37:28,673 INFO L273 TraceCheckUtils]: 5: Hoare triple {44233#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {44233#true} is VALID [2018-11-23 11:37:28,674 INFO L256 TraceCheckUtils]: 4: Hoare triple {44233#true} call #t~ret4 := main(); {44233#true} is VALID [2018-11-23 11:37:28,674 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {44233#true} {44233#true} #139#return; {44233#true} is VALID [2018-11-23 11:37:28,674 INFO L273 TraceCheckUtils]: 2: Hoare triple {44233#true} assume true; {44233#true} is VALID [2018-11-23 11:37:28,674 INFO L273 TraceCheckUtils]: 1: Hoare triple {44233#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {44233#true} is VALID [2018-11-23 11:37:28,675 INFO L256 TraceCheckUtils]: 0: Hoare triple {44233#true} call ULTIMATE.init(); {44233#true} is VALID [2018-11-23 11:37:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:28,686 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:37:28,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-23 11:37:28,686 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 46 [2018-11-23 11:37:28,688 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:37:28,689 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-23 11:37:28,815 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:37:28,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 11:37:28,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 11:37:28,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2018-11-23 11:37:28,816 INFO L87 Difference]: Start difference. First operand 448 states and 540 transitions. Second operand 14 states. [2018-11-23 11:37:36,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:36,905 INFO L93 Difference]: Finished difference Result 1007 states and 1166 transitions. [2018-11-23 11:37:36,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-23 11:37:36,905 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 46 [2018-11-23 11:37:36,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:37:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:37:36,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 671 transitions. [2018-11-23 11:37:36,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:37:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 671 transitions. [2018-11-23 11:37:36,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 34 states and 671 transitions. [2018-11-23 11:37:38,105 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 671 edges. 671 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:37:38,152 INFO L225 Difference]: With dead ends: 1007 [2018-11-23 11:37:38,152 INFO L226 Difference]: Without dead ends: 1005 [2018-11-23 11:37:38,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=434, Invalid=972, Unknown=0, NotChecked=0, Total=1406 [2018-11-23 11:37:38,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2018-11-23 11:37:38,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 362. [2018-11-23 11:37:38,970 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:37:38,970 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1005 states. Second operand 362 states. [2018-11-23 11:37:38,970 INFO L74 IsIncluded]: Start isIncluded. First operand 1005 states. Second operand 362 states. [2018-11-23 11:37:38,970 INFO L87 Difference]: Start difference. First operand 1005 states. Second operand 362 states. [2018-11-23 11:37:39,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:39,010 INFO L93 Difference]: Finished difference Result 1005 states and 1157 transitions. [2018-11-23 11:37:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1157 transitions. [2018-11-23 11:37:39,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:39,011 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:37:39,012 INFO L74 IsIncluded]: Start isIncluded. First operand 362 states. Second operand 1005 states. [2018-11-23 11:37:39,012 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 1005 states. [2018-11-23 11:37:39,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:39,051 INFO L93 Difference]: Finished difference Result 1005 states and 1157 transitions. [2018-11-23 11:37:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1157 transitions. [2018-11-23 11:37:39,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:39,052 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:37:39,052 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:37:39,052 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:37:39,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-11-23 11:37:39,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 427 transitions. [2018-11-23 11:37:39,059 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 427 transitions. Word has length 46 [2018-11-23 11:37:39,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:37:39,059 INFO L480 AbstractCegarLoop]: Abstraction has 362 states and 427 transitions. [2018-11-23 11:37:39,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 11:37:39,059 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 427 transitions. [2018-11-23 11:37:39,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 11:37:39,060 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:37:39,060 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:37:39,060 INFO L423 AbstractCegarLoop]: === Iteration 33 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:37:39,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:37:39,061 INFO L82 PathProgramCache]: Analyzing trace with hash 839049497, now seen corresponding path program 1 times [2018-11-23 11:37:39,061 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:37:39,061 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 34 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 34 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:37:39,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:37:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:39,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:37:39,305 INFO L256 TraceCheckUtils]: 0: Hoare triple {48188#true} call ULTIMATE.init(); {48188#true} is VALID [2018-11-23 11:37:39,305 INFO L273 TraceCheckUtils]: 1: Hoare triple {48188#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {48188#true} is VALID [2018-11-23 11:37:39,306 INFO L273 TraceCheckUtils]: 2: Hoare triple {48188#true} assume true; {48188#true} is VALID [2018-11-23 11:37:39,306 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {48188#true} {48188#true} #139#return; {48188#true} is VALID [2018-11-23 11:37:39,306 INFO L256 TraceCheckUtils]: 4: Hoare triple {48188#true} call #t~ret4 := main(); {48188#true} is VALID [2018-11-23 11:37:39,306 INFO L273 TraceCheckUtils]: 5: Hoare triple {48188#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {48188#true} is VALID [2018-11-23 11:37:39,307 INFO L273 TraceCheckUtils]: 6: Hoare triple {48188#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,307 INFO L273 TraceCheckUtils]: 7: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,307 INFO L273 TraceCheckUtils]: 8: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,308 INFO L273 TraceCheckUtils]: 9: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,308 INFO L273 TraceCheckUtils]: 10: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,308 INFO L273 TraceCheckUtils]: 11: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,309 INFO L273 TraceCheckUtils]: 12: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,309 INFO L273 TraceCheckUtils]: 13: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,309 INFO L273 TraceCheckUtils]: 14: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,310 INFO L273 TraceCheckUtils]: 15: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,310 INFO L273 TraceCheckUtils]: 16: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {48211#(= (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,313 INFO L273 TraceCheckUtils]: 17: Hoare triple {48211#(= (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {48245#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,313 INFO L273 TraceCheckUtils]: 18: Hoare triple {48245#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {48245#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,314 INFO L273 TraceCheckUtils]: 19: Hoare triple {48245#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {48245#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,314 INFO L273 TraceCheckUtils]: 20: Hoare triple {48245#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {48245#(= (_ bv1 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,315 INFO L273 TraceCheckUtils]: 21: Hoare triple {48245#(= (_ bv1 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,315 INFO L273 TraceCheckUtils]: 22: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,316 INFO L273 TraceCheckUtils]: 23: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,316 INFO L273 TraceCheckUtils]: 24: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,316 INFO L273 TraceCheckUtils]: 25: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,317 INFO L273 TraceCheckUtils]: 26: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,317 INFO L273 TraceCheckUtils]: 27: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,317 INFO L273 TraceCheckUtils]: 28: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,318 INFO L273 TraceCheckUtils]: 29: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,318 INFO L273 TraceCheckUtils]: 30: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,318 INFO L273 TraceCheckUtils]: 31: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,319 INFO L273 TraceCheckUtils]: 32: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {48258#(= (_ bv2 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,320 INFO L273 TraceCheckUtils]: 33: Hoare triple {48258#(= (_ bv2 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {48295#(= (_ bv3 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,320 INFO L273 TraceCheckUtils]: 34: Hoare triple {48295#(= (_ bv3 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {48295#(= (_ bv3 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,321 INFO L273 TraceCheckUtils]: 35: Hoare triple {48295#(= (_ bv3 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {48295#(= (_ bv3 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,321 INFO L273 TraceCheckUtils]: 36: Hoare triple {48295#(= (_ bv3 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {48295#(= (_ bv3 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,322 INFO L273 TraceCheckUtils]: 37: Hoare triple {48295#(= (_ bv3 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {48308#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,322 INFO L273 TraceCheckUtils]: 38: Hoare triple {48308#(= (_ bv4 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {48308#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,323 INFO L273 TraceCheckUtils]: 39: Hoare triple {48308#(= (_ bv4 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {48308#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,323 INFO L273 TraceCheckUtils]: 40: Hoare triple {48308#(= (_ bv4 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {48308#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,324 INFO L273 TraceCheckUtils]: 41: Hoare triple {48308#(= (_ bv4 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {48308#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,325 INFO L273 TraceCheckUtils]: 42: Hoare triple {48308#(= (_ bv4 32) main_~main__i~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {48308#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,325 INFO L273 TraceCheckUtils]: 43: Hoare triple {48308#(= (_ bv4 32) main_~main__i~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {48308#(= (_ bv4 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,326 INFO L273 TraceCheckUtils]: 44: Hoare triple {48308#(= (_ bv4 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {48330#(= (_ bv1 32) main_~__VERIFIER_assert__cond~3)} is VALID [2018-11-23 11:37:39,327 INFO L273 TraceCheckUtils]: 45: Hoare triple {48330#(= (_ bv1 32) main_~__VERIFIER_assert__cond~3)} assume 0bv32 == ~__VERIFIER_assert__cond~3; {48189#false} is VALID [2018-11-23 11:37:39,327 INFO L273 TraceCheckUtils]: 46: Hoare triple {48189#false} assume !false; {48189#false} is VALID [2018-11-23 11:37:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:39,330 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:37:39,482 INFO L273 TraceCheckUtils]: 46: Hoare triple {48189#false} assume !false; {48189#false} is VALID [2018-11-23 11:37:39,482 INFO L273 TraceCheckUtils]: 45: Hoare triple {48340#(not (= main_~__VERIFIER_assert__cond~3 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~3; {48189#false} is VALID [2018-11-23 11:37:39,483 INFO L273 TraceCheckUtils]: 44: Hoare triple {48344#(bvsle (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {48340#(not (= main_~__VERIFIER_assert__cond~3 (_ bv0 32)))} is VALID [2018-11-23 11:37:39,484 INFO L273 TraceCheckUtils]: 43: Hoare triple {48344#(bvsle (_ bv0 32) main_~main__i~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {48344#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,484 INFO L273 TraceCheckUtils]: 42: Hoare triple {48344#(bvsle (_ bv0 32) main_~main__i~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {48344#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,485 INFO L273 TraceCheckUtils]: 41: Hoare triple {48344#(bvsle (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {48344#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,485 INFO L273 TraceCheckUtils]: 40: Hoare triple {48344#(bvsle (_ bv0 32) main_~main__i~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {48344#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,486 INFO L273 TraceCheckUtils]: 39: Hoare triple {48344#(bvsle (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {48344#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,486 INFO L273 TraceCheckUtils]: 38: Hoare triple {48344#(bvsle (_ bv0 32) main_~main__i~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {48344#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,489 INFO L273 TraceCheckUtils]: 37: Hoare triple {48366#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {48344#(bvsle (_ bv0 32) main_~main__i~0)} is VALID [2018-11-23 11:37:39,490 INFO L273 TraceCheckUtils]: 36: Hoare triple {48366#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {48366#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:39,490 INFO L273 TraceCheckUtils]: 35: Hoare triple {48366#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {48366#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:39,490 INFO L273 TraceCheckUtils]: 34: Hoare triple {48366#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {48366#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:39,494 INFO L273 TraceCheckUtils]: 33: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {48366#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:39,494 INFO L273 TraceCheckUtils]: 32: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,495 INFO L273 TraceCheckUtils]: 31: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,495 INFO L273 TraceCheckUtils]: 30: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,495 INFO L273 TraceCheckUtils]: 29: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,496 INFO L273 TraceCheckUtils]: 28: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,496 INFO L273 TraceCheckUtils]: 27: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,517 INFO L273 TraceCheckUtils]: 26: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,530 INFO L273 TraceCheckUtils]: 25: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,538 INFO L273 TraceCheckUtils]: 24: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,538 INFO L273 TraceCheckUtils]: 23: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,539 INFO L273 TraceCheckUtils]: 22: Hoare triple {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,542 INFO L273 TraceCheckUtils]: 21: Hoare triple {48416#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {48379#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:39,542 INFO L273 TraceCheckUtils]: 20: Hoare triple {48416#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {48416#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:39,542 INFO L273 TraceCheckUtils]: 19: Hoare triple {48416#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {48416#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:39,543 INFO L273 TraceCheckUtils]: 18: Hoare triple {48416#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {48416#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:39,546 INFO L273 TraceCheckUtils]: 17: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {48416#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:39,546 INFO L273 TraceCheckUtils]: 16: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,547 INFO L273 TraceCheckUtils]: 15: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,547 INFO L273 TraceCheckUtils]: 14: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,547 INFO L273 TraceCheckUtils]: 13: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,547 INFO L273 TraceCheckUtils]: 12: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,548 INFO L273 TraceCheckUtils]: 11: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,548 INFO L273 TraceCheckUtils]: 10: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,548 INFO L273 TraceCheckUtils]: 9: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,549 INFO L273 TraceCheckUtils]: 8: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,549 INFO L273 TraceCheckUtils]: 7: Hoare triple {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,550 INFO L273 TraceCheckUtils]: 6: Hoare triple {48188#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {48429#(bvsle (_ bv0 32) (bvadd main_~main__i~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:39,550 INFO L273 TraceCheckUtils]: 5: Hoare triple {48188#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {48188#true} is VALID [2018-11-23 11:37:39,550 INFO L256 TraceCheckUtils]: 4: Hoare triple {48188#true} call #t~ret4 := main(); {48188#true} is VALID [2018-11-23 11:37:39,551 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {48188#true} {48188#true} #139#return; {48188#true} is VALID [2018-11-23 11:37:39,551 INFO L273 TraceCheckUtils]: 2: Hoare triple {48188#true} assume true; {48188#true} is VALID [2018-11-23 11:37:39,551 INFO L273 TraceCheckUtils]: 1: Hoare triple {48188#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {48188#true} is VALID [2018-11-23 11:37:39,551 INFO L256 TraceCheckUtils]: 0: Hoare triple {48188#true} call ULTIMATE.init(); {48188#true} is VALID [2018-11-23 11:37:39,554 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:39,556 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:37:39,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-23 11:37:39,557 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 47 [2018-11-23 11:37:39,557 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:37:39,557 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-23 11:37:39,687 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:37:39,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 11:37:39,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 11:37:39,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2018-11-23 11:37:39,688 INFO L87 Difference]: Start difference. First operand 362 states and 427 transitions. Second operand 14 states. [2018-11-23 11:37:48,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:48,076 INFO L93 Difference]: Finished difference Result 1619 states and 1905 transitions. [2018-11-23 11:37:48,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 11:37:48,076 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 47 [2018-11-23 11:37:48,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:37:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:37:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 342 transitions. [2018-11-23 11:37:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:37:48,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 342 transitions. [2018-11-23 11:37:48,079 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 342 transitions. [2018-11-23 11:37:48,693 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 342 edges. 342 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:37:48,797 INFO L225 Difference]: With dead ends: 1619 [2018-11-23 11:37:48,797 INFO L226 Difference]: Without dead ends: 1596 [2018-11-23 11:37:48,798 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=249, Invalid=507, Unknown=0, NotChecked=0, Total=756 [2018-11-23 11:37:48,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596 states. [2018-11-23 11:37:49,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596 to 225. [2018-11-23 11:37:49,622 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:37:49,622 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1596 states. Second operand 225 states. [2018-11-23 11:37:49,622 INFO L74 IsIncluded]: Start isIncluded. First operand 1596 states. Second operand 225 states. [2018-11-23 11:37:49,622 INFO L87 Difference]: Start difference. First operand 1596 states. Second operand 225 states. [2018-11-23 11:37:49,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:49,708 INFO L93 Difference]: Finished difference Result 1596 states and 1799 transitions. [2018-11-23 11:37:49,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1799 transitions. [2018-11-23 11:37:49,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:49,710 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:37:49,710 INFO L74 IsIncluded]: Start isIncluded. First operand 225 states. Second operand 1596 states. [2018-11-23 11:37:49,710 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 1596 states. [2018-11-23 11:37:49,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:37:49,791 INFO L93 Difference]: Finished difference Result 1596 states and 1799 transitions. [2018-11-23 11:37:49,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1799 transitions. [2018-11-23 11:37:49,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:37:49,794 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:37:49,794 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:37:49,794 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:37:49,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-23 11:37:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 250 transitions. [2018-11-23 11:37:49,797 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 250 transitions. Word has length 47 [2018-11-23 11:37:49,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:37:49,798 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 250 transitions. [2018-11-23 11:37:49,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 11:37:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 250 transitions. [2018-11-23 11:37:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 11:37:49,799 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:37:49,799 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:37:49,799 INFO L423 AbstractCegarLoop]: === Iteration 34 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:37:49,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:37:49,799 INFO L82 PathProgramCache]: Analyzing trace with hash -224849465, now seen corresponding path program 1 times [2018-11-23 11:37:49,800 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:37:49,800 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 35 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 35 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:37:49,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:37:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:37:49,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:37:50,101 INFO L256 TraceCheckUtils]: 0: Hoare triple {53822#true} call ULTIMATE.init(); {53822#true} is VALID [2018-11-23 11:37:50,101 INFO L273 TraceCheckUtils]: 1: Hoare triple {53822#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {53822#true} is VALID [2018-11-23 11:37:50,102 INFO L273 TraceCheckUtils]: 2: Hoare triple {53822#true} assume true; {53822#true} is VALID [2018-11-23 11:37:50,102 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {53822#true} {53822#true} #139#return; {53822#true} is VALID [2018-11-23 11:37:50,102 INFO L256 TraceCheckUtils]: 4: Hoare triple {53822#true} call #t~ret4 := main(); {53822#true} is VALID [2018-11-23 11:37:50,102 INFO L273 TraceCheckUtils]: 5: Hoare triple {53822#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {53822#true} is VALID [2018-11-23 11:37:50,103 INFO L273 TraceCheckUtils]: 6: Hoare triple {53822#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {53822#true} is VALID [2018-11-23 11:37:50,103 INFO L273 TraceCheckUtils]: 7: Hoare triple {53822#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {53848#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,104 INFO L273 TraceCheckUtils]: 8: Hoare triple {53848#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {53848#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,104 INFO L273 TraceCheckUtils]: 9: Hoare triple {53848#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {53848#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,104 INFO L273 TraceCheckUtils]: 10: Hoare triple {53848#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {53848#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,105 INFO L273 TraceCheckUtils]: 11: Hoare triple {53848#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {53848#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,105 INFO L273 TraceCheckUtils]: 12: Hoare triple {53848#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {53848#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,105 INFO L273 TraceCheckUtils]: 13: Hoare triple {53848#(= (_ bv0 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {53848#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,106 INFO L273 TraceCheckUtils]: 14: Hoare triple {53848#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {53848#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,106 INFO L273 TraceCheckUtils]: 15: Hoare triple {53848#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {53848#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,106 INFO L273 TraceCheckUtils]: 16: Hoare triple {53848#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {53848#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,107 INFO L273 TraceCheckUtils]: 17: Hoare triple {53848#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {53879#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,108 INFO L273 TraceCheckUtils]: 18: Hoare triple {53879#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {53879#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,108 INFO L273 TraceCheckUtils]: 19: Hoare triple {53879#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {53879#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,109 INFO L273 TraceCheckUtils]: 20: Hoare triple {53879#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {53879#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,110 INFO L273 TraceCheckUtils]: 21: Hoare triple {53879#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {53892#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,110 INFO L273 TraceCheckUtils]: 22: Hoare triple {53892#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {53892#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,111 INFO L273 TraceCheckUtils]: 23: Hoare triple {53892#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {53899#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,111 INFO L273 TraceCheckUtils]: 24: Hoare triple {53899#(= (_ bv3 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {53899#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,112 INFO L273 TraceCheckUtils]: 25: Hoare triple {53899#(= (_ bv3 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {53899#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,112 INFO L273 TraceCheckUtils]: 26: Hoare triple {53899#(= (_ bv3 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {53899#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,113 INFO L273 TraceCheckUtils]: 27: Hoare triple {53899#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {53899#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,113 INFO L273 TraceCheckUtils]: 28: Hoare triple {53899#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {53899#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,114 INFO L273 TraceCheckUtils]: 29: Hoare triple {53899#(= (_ bv3 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {53899#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,114 INFO L273 TraceCheckUtils]: 30: Hoare triple {53899#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {53899#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,115 INFO L273 TraceCheckUtils]: 31: Hoare triple {53899#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {53899#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,115 INFO L273 TraceCheckUtils]: 32: Hoare triple {53899#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {53899#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,116 INFO L273 TraceCheckUtils]: 33: Hoare triple {53899#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {53930#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,117 INFO L273 TraceCheckUtils]: 34: Hoare triple {53930#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {53930#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,117 INFO L273 TraceCheckUtils]: 35: Hoare triple {53930#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {53930#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,118 INFO L273 TraceCheckUtils]: 36: Hoare triple {53930#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {53930#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,118 INFO L273 TraceCheckUtils]: 37: Hoare triple {53930#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {53943#(= (_ bv5 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,119 INFO L273 TraceCheckUtils]: 38: Hoare triple {53943#(= (_ bv5 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {53943#(= (_ bv5 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,120 INFO L273 TraceCheckUtils]: 39: Hoare triple {53943#(= (_ bv5 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {53950#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,120 INFO L273 TraceCheckUtils]: 40: Hoare triple {53950#(= (_ bv6 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {53950#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,121 INFO L273 TraceCheckUtils]: 41: Hoare triple {53950#(= (_ bv6 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {53950#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,121 INFO L273 TraceCheckUtils]: 42: Hoare triple {53950#(= (_ bv6 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {53950#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,122 INFO L273 TraceCheckUtils]: 43: Hoare triple {53950#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {53950#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,122 INFO L273 TraceCheckUtils]: 44: Hoare triple {53950#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {53950#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,123 INFO L273 TraceCheckUtils]: 45: Hoare triple {53950#(= (_ bv6 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {53950#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,123 INFO L273 TraceCheckUtils]: 46: Hoare triple {53950#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {53950#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,124 INFO L273 TraceCheckUtils]: 47: Hoare triple {53950#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {53950#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,124 INFO L273 TraceCheckUtils]: 48: Hoare triple {53950#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {53950#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,125 INFO L273 TraceCheckUtils]: 49: Hoare triple {53950#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {53981#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,125 INFO L273 TraceCheckUtils]: 50: Hoare triple {53981#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {53981#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,126 INFO L273 TraceCheckUtils]: 51: Hoare triple {53981#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {53981#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,127 INFO L273 TraceCheckUtils]: 52: Hoare triple {53981#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {53991#(= (bvadd main_~__VERIFIER_assert__cond~13 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:37:50,127 INFO L273 TraceCheckUtils]: 53: Hoare triple {53991#(= (bvadd main_~__VERIFIER_assert__cond~13 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~13; {53823#false} is VALID [2018-11-23 11:37:50,127 INFO L273 TraceCheckUtils]: 54: Hoare triple {53823#false} assume !false; {53823#false} is VALID [2018-11-23 11:37:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:50,131 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:37:50,394 INFO L273 TraceCheckUtils]: 54: Hoare triple {53823#false} assume !false; {53823#false} is VALID [2018-11-23 11:37:50,394 INFO L273 TraceCheckUtils]: 53: Hoare triple {54001#(not (= main_~__VERIFIER_assert__cond~13 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~13; {53823#false} is VALID [2018-11-23 11:37:50,395 INFO L273 TraceCheckUtils]: 52: Hoare triple {54005#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {54001#(not (= main_~__VERIFIER_assert__cond~13 (_ bv0 32)))} is VALID [2018-11-23 11:37:50,396 INFO L273 TraceCheckUtils]: 51: Hoare triple {54005#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {54005#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,396 INFO L273 TraceCheckUtils]: 50: Hoare triple {54005#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {54005#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,397 INFO L273 TraceCheckUtils]: 49: Hoare triple {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {54005#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:37:50,398 INFO L273 TraceCheckUtils]: 48: Hoare triple {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:50,398 INFO L273 TraceCheckUtils]: 47: Hoare triple {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:50,399 INFO L273 TraceCheckUtils]: 46: Hoare triple {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:50,399 INFO L273 TraceCheckUtils]: 45: Hoare triple {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:50,400 INFO L273 TraceCheckUtils]: 44: Hoare triple {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:50,400 INFO L273 TraceCheckUtils]: 43: Hoare triple {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:50,401 INFO L273 TraceCheckUtils]: 42: Hoare triple {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:50,401 INFO L273 TraceCheckUtils]: 41: Hoare triple {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:50,402 INFO L273 TraceCheckUtils]: 40: Hoare triple {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:50,405 INFO L273 TraceCheckUtils]: 39: Hoare triple {54046#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {54015#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:37:50,405 INFO L273 TraceCheckUtils]: 38: Hoare triple {54046#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {54046#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:50,408 INFO L273 TraceCheckUtils]: 37: Hoare triple {54053#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {54046#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:37:50,409 INFO L273 TraceCheckUtils]: 36: Hoare triple {54053#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {54053#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:50,409 INFO L273 TraceCheckUtils]: 35: Hoare triple {54053#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {54053#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:50,409 INFO L273 TraceCheckUtils]: 34: Hoare triple {54053#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {54053#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:50,412 INFO L273 TraceCheckUtils]: 33: Hoare triple {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {54053#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:37:50,412 INFO L273 TraceCheckUtils]: 32: Hoare triple {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:50,412 INFO L273 TraceCheckUtils]: 31: Hoare triple {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:50,413 INFO L273 TraceCheckUtils]: 30: Hoare triple {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:50,413 INFO L273 TraceCheckUtils]: 29: Hoare triple {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:50,413 INFO L273 TraceCheckUtils]: 28: Hoare triple {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:50,414 INFO L273 TraceCheckUtils]: 27: Hoare triple {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:50,414 INFO L273 TraceCheckUtils]: 26: Hoare triple {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:50,414 INFO L273 TraceCheckUtils]: 25: Hoare triple {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:50,415 INFO L273 TraceCheckUtils]: 24: Hoare triple {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:50,418 INFO L273 TraceCheckUtils]: 23: Hoare triple {54097#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {54066#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:37:50,419 INFO L273 TraceCheckUtils]: 22: Hoare triple {54097#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {54097#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:37:50,423 INFO L273 TraceCheckUtils]: 21: Hoare triple {54104#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {54097#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:37:50,423 INFO L273 TraceCheckUtils]: 20: Hoare triple {54104#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {54104#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} is VALID [2018-11-23 11:37:50,423 INFO L273 TraceCheckUtils]: 19: Hoare triple {54104#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {54104#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} is VALID [2018-11-23 11:37:50,424 INFO L273 TraceCheckUtils]: 18: Hoare triple {54104#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {54104#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} is VALID [2018-11-23 11:37:50,426 INFO L273 TraceCheckUtils]: 17: Hoare triple {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {54104#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} is VALID [2018-11-23 11:37:50,427 INFO L273 TraceCheckUtils]: 16: Hoare triple {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:37:50,427 INFO L273 TraceCheckUtils]: 15: Hoare triple {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:37:50,427 INFO L273 TraceCheckUtils]: 14: Hoare triple {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:37:50,428 INFO L273 TraceCheckUtils]: 13: Hoare triple {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:37:50,428 INFO L273 TraceCheckUtils]: 12: Hoare triple {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:37:50,428 INFO L273 TraceCheckUtils]: 11: Hoare triple {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:37:50,428 INFO L273 TraceCheckUtils]: 10: Hoare triple {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:37:50,429 INFO L273 TraceCheckUtils]: 9: Hoare triple {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:37:50,429 INFO L273 TraceCheckUtils]: 8: Hoare triple {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:37:50,430 INFO L273 TraceCheckUtils]: 7: Hoare triple {53822#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {54117#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:37:50,430 INFO L273 TraceCheckUtils]: 6: Hoare triple {53822#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {53822#true} is VALID [2018-11-23 11:37:50,430 INFO L273 TraceCheckUtils]: 5: Hoare triple {53822#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {53822#true} is VALID [2018-11-23 11:37:50,430 INFO L256 TraceCheckUtils]: 4: Hoare triple {53822#true} call #t~ret4 := main(); {53822#true} is VALID [2018-11-23 11:37:50,430 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {53822#true} {53822#true} #139#return; {53822#true} is VALID [2018-11-23 11:37:50,431 INFO L273 TraceCheckUtils]: 2: Hoare triple {53822#true} assume true; {53822#true} is VALID [2018-11-23 11:37:50,431 INFO L273 TraceCheckUtils]: 1: Hoare triple {53822#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {53822#true} is VALID [2018-11-23 11:37:50,431 INFO L256 TraceCheckUtils]: 0: Hoare triple {53822#true} call ULTIMATE.init(); {53822#true} is VALID [2018-11-23 11:37:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:37:50,438 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:37:50,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2018-11-23 11:37:50,438 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 55 [2018-11-23 11:37:50,439 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:37:50,439 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states. [2018-11-23 11:37:50,592 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:37:50,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 11:37:50,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 11:37:50,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2018-11-23 11:37:50,593 INFO L87 Difference]: Start difference. First operand 225 states and 250 transitions. Second operand 20 states. [2018-11-23 11:38:06,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:38:06,407 INFO L93 Difference]: Finished difference Result 1301 states and 1443 transitions. [2018-11-23 11:38:06,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-11-23 11:38:06,407 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 55 [2018-11-23 11:38:06,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:38:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-23 11:38:06,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 1122 transitions. [2018-11-23 11:38:06,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-23 11:38:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 1122 transitions. [2018-11-23 11:38:06,420 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 52 states and 1122 transitions. [2018-11-23 11:38:08,322 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1122 edges. 1122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:38:08,395 INFO L225 Difference]: With dead ends: 1301 [2018-11-23 11:38:08,395 INFO L226 Difference]: Without dead ends: 1299 [2018-11-23 11:38:08,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1016, Invalid=2406, Unknown=0, NotChecked=0, Total=3422 [2018-11-23 11:38:08,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2018-11-23 11:38:09,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 359. [2018-11-23 11:38:09,488 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:38:09,488 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1299 states. Second operand 359 states. [2018-11-23 11:38:09,488 INFO L74 IsIncluded]: Start isIncluded. First operand 1299 states. Second operand 359 states. [2018-11-23 11:38:09,488 INFO L87 Difference]: Start difference. First operand 1299 states. Second operand 359 states. [2018-11-23 11:38:09,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:38:09,551 INFO L93 Difference]: Finished difference Result 1299 states and 1433 transitions. [2018-11-23 11:38:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1433 transitions. [2018-11-23 11:38:09,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:38:09,553 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:38:09,553 INFO L74 IsIncluded]: Start isIncluded. First operand 359 states. Second operand 1299 states. [2018-11-23 11:38:09,553 INFO L87 Difference]: Start difference. First operand 359 states. Second operand 1299 states. [2018-11-23 11:38:09,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:38:09,610 INFO L93 Difference]: Finished difference Result 1299 states and 1433 transitions. [2018-11-23 11:38:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1433 transitions. [2018-11-23 11:38:09,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:38:09,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:38:09,611 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:38:09,611 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:38:09,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-11-23 11:38:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 412 transitions. [2018-11-23 11:38:09,617 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 412 transitions. Word has length 55 [2018-11-23 11:38:09,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:38:09,617 INFO L480 AbstractCegarLoop]: Abstraction has 359 states and 412 transitions. [2018-11-23 11:38:09,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 11:38:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 412 transitions. [2018-11-23 11:38:09,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 11:38:09,617 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:38:09,617 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:38:09,618 INFO L423 AbstractCegarLoop]: === Iteration 35 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:38:09,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:38:09,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1331870035, now seen corresponding path program 1 times [2018-11-23 11:38:09,618 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:38:09,618 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 36 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 36 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:38:09,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:38:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:09,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:38:09,936 INFO L256 TraceCheckUtils]: 0: Hoare triple {58743#true} call ULTIMATE.init(); {58743#true} is VALID [2018-11-23 11:38:09,936 INFO L273 TraceCheckUtils]: 1: Hoare triple {58743#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {58743#true} is VALID [2018-11-23 11:38:09,936 INFO L273 TraceCheckUtils]: 2: Hoare triple {58743#true} assume true; {58743#true} is VALID [2018-11-23 11:38:09,936 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {58743#true} {58743#true} #139#return; {58743#true} is VALID [2018-11-23 11:38:09,937 INFO L256 TraceCheckUtils]: 4: Hoare triple {58743#true} call #t~ret4 := main(); {58743#true} is VALID [2018-11-23 11:38:09,937 INFO L273 TraceCheckUtils]: 5: Hoare triple {58743#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {58743#true} is VALID [2018-11-23 11:38:09,937 INFO L273 TraceCheckUtils]: 6: Hoare triple {58743#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {58743#true} is VALID [2018-11-23 11:38:09,937 INFO L273 TraceCheckUtils]: 7: Hoare triple {58743#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {58769#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,938 INFO L273 TraceCheckUtils]: 8: Hoare triple {58769#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {58769#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,938 INFO L273 TraceCheckUtils]: 9: Hoare triple {58769#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {58769#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,938 INFO L273 TraceCheckUtils]: 10: Hoare triple {58769#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {58769#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,938 INFO L273 TraceCheckUtils]: 11: Hoare triple {58769#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {58769#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,939 INFO L273 TraceCheckUtils]: 12: Hoare triple {58769#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {58769#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,939 INFO L273 TraceCheckUtils]: 13: Hoare triple {58769#(= (_ bv0 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {58769#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,939 INFO L273 TraceCheckUtils]: 14: Hoare triple {58769#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {58769#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,940 INFO L273 TraceCheckUtils]: 15: Hoare triple {58769#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {58769#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,940 INFO L273 TraceCheckUtils]: 16: Hoare triple {58769#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {58769#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,941 INFO L273 TraceCheckUtils]: 17: Hoare triple {58769#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {58800#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,941 INFO L273 TraceCheckUtils]: 18: Hoare triple {58800#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {58800#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,942 INFO L273 TraceCheckUtils]: 19: Hoare triple {58800#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {58800#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,942 INFO L273 TraceCheckUtils]: 20: Hoare triple {58800#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {58800#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,943 INFO L273 TraceCheckUtils]: 21: Hoare triple {58800#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {58813#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,943 INFO L273 TraceCheckUtils]: 22: Hoare triple {58813#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {58813#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,944 INFO L273 TraceCheckUtils]: 23: Hoare triple {58813#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {58820#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,945 INFO L273 TraceCheckUtils]: 24: Hoare triple {58820#(= (_ bv3 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {58820#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,945 INFO L273 TraceCheckUtils]: 25: Hoare triple {58820#(= (_ bv3 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {58820#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,946 INFO L273 TraceCheckUtils]: 26: Hoare triple {58820#(= (_ bv3 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {58820#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,946 INFO L273 TraceCheckUtils]: 27: Hoare triple {58820#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {58820#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,947 INFO L273 TraceCheckUtils]: 28: Hoare triple {58820#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {58820#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,947 INFO L273 TraceCheckUtils]: 29: Hoare triple {58820#(= (_ bv3 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {58820#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,948 INFO L273 TraceCheckUtils]: 30: Hoare triple {58820#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {58820#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,948 INFO L273 TraceCheckUtils]: 31: Hoare triple {58820#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {58820#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,949 INFO L273 TraceCheckUtils]: 32: Hoare triple {58820#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {58820#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,949 INFO L273 TraceCheckUtils]: 33: Hoare triple {58820#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {58851#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,950 INFO L273 TraceCheckUtils]: 34: Hoare triple {58851#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {58851#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,950 INFO L273 TraceCheckUtils]: 35: Hoare triple {58851#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {58851#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,951 INFO L273 TraceCheckUtils]: 36: Hoare triple {58851#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {58851#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,952 INFO L273 TraceCheckUtils]: 37: Hoare triple {58851#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {58864#(= (_ bv5 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,952 INFO L273 TraceCheckUtils]: 38: Hoare triple {58864#(= (_ bv5 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {58864#(= (_ bv5 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,953 INFO L273 TraceCheckUtils]: 39: Hoare triple {58864#(= (_ bv5 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {58871#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,954 INFO L273 TraceCheckUtils]: 40: Hoare triple {58871#(= (_ bv6 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {58871#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,954 INFO L273 TraceCheckUtils]: 41: Hoare triple {58871#(= (_ bv6 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {58871#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,954 INFO L273 TraceCheckUtils]: 42: Hoare triple {58871#(= (_ bv6 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {58871#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,955 INFO L273 TraceCheckUtils]: 43: Hoare triple {58871#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {58871#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,955 INFO L273 TraceCheckUtils]: 44: Hoare triple {58871#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {58871#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,956 INFO L273 TraceCheckUtils]: 45: Hoare triple {58871#(= (_ bv6 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {58871#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,956 INFO L273 TraceCheckUtils]: 46: Hoare triple {58871#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {58871#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,957 INFO L273 TraceCheckUtils]: 47: Hoare triple {58871#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {58871#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,957 INFO L273 TraceCheckUtils]: 48: Hoare triple {58871#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {58871#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,958 INFO L273 TraceCheckUtils]: 49: Hoare triple {58871#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {58902#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,959 INFO L273 TraceCheckUtils]: 50: Hoare triple {58902#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {58902#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,959 INFO L273 TraceCheckUtils]: 51: Hoare triple {58902#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {58902#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,960 INFO L273 TraceCheckUtils]: 52: Hoare triple {58902#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {58902#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,961 INFO L273 TraceCheckUtils]: 53: Hoare triple {58902#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {58915#(= (_ bv8 32) main_~main__j~0)} is VALID [2018-11-23 11:38:09,962 INFO L273 TraceCheckUtils]: 54: Hoare triple {58915#(= (_ bv8 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {58919#(= (bvadd main_~__VERIFIER_assert__cond~15 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:38:09,962 INFO L273 TraceCheckUtils]: 55: Hoare triple {58919#(= (bvadd main_~__VERIFIER_assert__cond~15 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~15; {58744#false} is VALID [2018-11-23 11:38:09,962 INFO L273 TraceCheckUtils]: 56: Hoare triple {58744#false} assume !false; {58744#false} is VALID [2018-11-23 11:38:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:38:09,967 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:38:10,379 INFO L273 TraceCheckUtils]: 56: Hoare triple {58744#false} assume !false; {58744#false} is VALID [2018-11-23 11:38:10,380 INFO L273 TraceCheckUtils]: 55: Hoare triple {58929#(not (= main_~__VERIFIER_assert__cond~15 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~15; {58744#false} is VALID [2018-11-23 11:38:10,380 INFO L273 TraceCheckUtils]: 54: Hoare triple {58933#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {58929#(not (= main_~__VERIFIER_assert__cond~15 (_ bv0 32)))} is VALID [2018-11-23 11:38:10,381 INFO L273 TraceCheckUtils]: 53: Hoare triple {58937#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {58933#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:10,382 INFO L273 TraceCheckUtils]: 52: Hoare triple {58937#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {58937#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:38:10,382 INFO L273 TraceCheckUtils]: 51: Hoare triple {58937#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {58937#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:38:10,383 INFO L273 TraceCheckUtils]: 50: Hoare triple {58937#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {58937#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:38:10,386 INFO L273 TraceCheckUtils]: 49: Hoare triple {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {58937#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:38:10,387 INFO L273 TraceCheckUtils]: 48: Hoare triple {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:10,387 INFO L273 TraceCheckUtils]: 47: Hoare triple {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:10,387 INFO L273 TraceCheckUtils]: 46: Hoare triple {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:10,388 INFO L273 TraceCheckUtils]: 45: Hoare triple {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:10,388 INFO L273 TraceCheckUtils]: 44: Hoare triple {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:10,388 INFO L273 TraceCheckUtils]: 43: Hoare triple {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:10,389 INFO L273 TraceCheckUtils]: 42: Hoare triple {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:10,389 INFO L273 TraceCheckUtils]: 41: Hoare triple {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:10,389 INFO L273 TraceCheckUtils]: 40: Hoare triple {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:10,392 INFO L273 TraceCheckUtils]: 39: Hoare triple {58981#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {58950#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:10,393 INFO L273 TraceCheckUtils]: 38: Hoare triple {58981#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {58981#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:10,396 INFO L273 TraceCheckUtils]: 37: Hoare triple {58988#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {58981#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:10,396 INFO L273 TraceCheckUtils]: 36: Hoare triple {58988#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {58988#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:10,397 INFO L273 TraceCheckUtils]: 35: Hoare triple {58988#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {58988#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:10,397 INFO L273 TraceCheckUtils]: 34: Hoare triple {58988#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {58988#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:10,400 INFO L273 TraceCheckUtils]: 33: Hoare triple {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {58988#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:10,400 INFO L273 TraceCheckUtils]: 32: Hoare triple {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:10,400 INFO L273 TraceCheckUtils]: 31: Hoare triple {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:10,401 INFO L273 TraceCheckUtils]: 30: Hoare triple {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:10,401 INFO L273 TraceCheckUtils]: 29: Hoare triple {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:10,401 INFO L273 TraceCheckUtils]: 28: Hoare triple {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:10,402 INFO L273 TraceCheckUtils]: 27: Hoare triple {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:10,413 INFO L273 TraceCheckUtils]: 26: Hoare triple {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:10,414 INFO L273 TraceCheckUtils]: 25: Hoare triple {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:10,414 INFO L273 TraceCheckUtils]: 24: Hoare triple {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:10,417 INFO L273 TraceCheckUtils]: 23: Hoare triple {59032#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {59001#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:10,417 INFO L273 TraceCheckUtils]: 22: Hoare triple {59032#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {59032#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} is VALID [2018-11-23 11:38:10,421 INFO L273 TraceCheckUtils]: 21: Hoare triple {59039#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {59032#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} is VALID [2018-11-23 11:38:10,421 INFO L273 TraceCheckUtils]: 20: Hoare triple {59039#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {59039#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:10,422 INFO L273 TraceCheckUtils]: 19: Hoare triple {59039#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {59039#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:10,422 INFO L273 TraceCheckUtils]: 18: Hoare triple {59039#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {59039#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:10,425 INFO L273 TraceCheckUtils]: 17: Hoare triple {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {59039#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:10,425 INFO L273 TraceCheckUtils]: 16: Hoare triple {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:10,425 INFO L273 TraceCheckUtils]: 15: Hoare triple {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:10,426 INFO L273 TraceCheckUtils]: 14: Hoare triple {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:10,426 INFO L273 TraceCheckUtils]: 13: Hoare triple {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:10,426 INFO L273 TraceCheckUtils]: 12: Hoare triple {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:10,427 INFO L273 TraceCheckUtils]: 11: Hoare triple {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:10,427 INFO L273 TraceCheckUtils]: 10: Hoare triple {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:10,427 INFO L273 TraceCheckUtils]: 9: Hoare triple {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:10,428 INFO L273 TraceCheckUtils]: 8: Hoare triple {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:10,428 INFO L273 TraceCheckUtils]: 7: Hoare triple {58743#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {59052#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:10,428 INFO L273 TraceCheckUtils]: 6: Hoare triple {58743#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {58743#true} is VALID [2018-11-23 11:38:10,428 INFO L273 TraceCheckUtils]: 5: Hoare triple {58743#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {58743#true} is VALID [2018-11-23 11:38:10,429 INFO L256 TraceCheckUtils]: 4: Hoare triple {58743#true} call #t~ret4 := main(); {58743#true} is VALID [2018-11-23 11:38:10,429 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {58743#true} {58743#true} #139#return; {58743#true} is VALID [2018-11-23 11:38:10,429 INFO L273 TraceCheckUtils]: 2: Hoare triple {58743#true} assume true; {58743#true} is VALID [2018-11-23 11:38:10,429 INFO L273 TraceCheckUtils]: 1: Hoare triple {58743#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {58743#true} is VALID [2018-11-23 11:38:10,429 INFO L256 TraceCheckUtils]: 0: Hoare triple {58743#true} call ULTIMATE.init(); {58743#true} is VALID [2018-11-23 11:38:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:38:10,435 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:38:10,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2018-11-23 11:38:10,436 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 57 [2018-11-23 11:38:10,436 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:38:10,436 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2018-11-23 11:38:10,600 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:38:10,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-23 11:38:10,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-23 11:38:10,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2018-11-23 11:38:10,601 INFO L87 Difference]: Start difference. First operand 359 states and 412 transitions. Second operand 22 states. [2018-11-23 11:38:30,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:38:30,250 INFO L93 Difference]: Finished difference Result 1370 states and 1518 transitions. [2018-11-23 11:38:30,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-11-23 11:38:30,250 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 57 [2018-11-23 11:38:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:38:30,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 11:38:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 1318 transitions. [2018-11-23 11:38:30,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 11:38:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 1318 transitions. [2018-11-23 11:38:30,264 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 58 states and 1318 transitions. [2018-11-23 11:38:32,428 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1318 edges. 1318 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:38:32,504 INFO L225 Difference]: With dead ends: 1370 [2018-11-23 11:38:32,504 INFO L226 Difference]: Without dead ends: 1368 [2018-11-23 11:38:32,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 999 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1264, Invalid=3026, Unknown=0, NotChecked=0, Total=4290 [2018-11-23 11:38:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2018-11-23 11:38:33,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 467. [2018-11-23 11:38:33,530 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:38:33,530 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1368 states. Second operand 467 states. [2018-11-23 11:38:33,530 INFO L74 IsIncluded]: Start isIncluded. First operand 1368 states. Second operand 467 states. [2018-11-23 11:38:33,531 INFO L87 Difference]: Start difference. First operand 1368 states. Second operand 467 states. [2018-11-23 11:38:33,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:38:33,587 INFO L93 Difference]: Finished difference Result 1368 states and 1507 transitions. [2018-11-23 11:38:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1507 transitions. [2018-11-23 11:38:33,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:38:33,588 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:38:33,588 INFO L74 IsIncluded]: Start isIncluded. First operand 467 states. Second operand 1368 states. [2018-11-23 11:38:33,588 INFO L87 Difference]: Start difference. First operand 467 states. Second operand 1368 states. [2018-11-23 11:38:33,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:38:33,639 INFO L93 Difference]: Finished difference Result 1368 states and 1507 transitions. [2018-11-23 11:38:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1507 transitions. [2018-11-23 11:38:33,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:38:33,640 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:38:33,640 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:38:33,640 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:38:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2018-11-23 11:38:33,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 536 transitions. [2018-11-23 11:38:33,648 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 536 transitions. Word has length 57 [2018-11-23 11:38:33,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:38:33,649 INFO L480 AbstractCegarLoop]: Abstraction has 467 states and 536 transitions. [2018-11-23 11:38:33,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-23 11:38:33,649 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 536 transitions. [2018-11-23 11:38:33,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 11:38:33,649 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:38:33,650 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:38:33,650 INFO L423 AbstractCegarLoop]: === Iteration 36 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:38:33,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:38:33,650 INFO L82 PathProgramCache]: Analyzing trace with hash -439565624, now seen corresponding path program 2 times [2018-11-23 11:38:33,651 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:38:33,651 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 37 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 37 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:38:33,673 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 11:38:33,860 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 11:38:33,860 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 11:38:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:33,941 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:38:34,451 INFO L256 TraceCheckUtils]: 0: Hoare triple {64023#true} call ULTIMATE.init(); {64023#true} is VALID [2018-11-23 11:38:34,451 INFO L273 TraceCheckUtils]: 1: Hoare triple {64023#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {64023#true} is VALID [2018-11-23 11:38:34,451 INFO L273 TraceCheckUtils]: 2: Hoare triple {64023#true} assume true; {64023#true} is VALID [2018-11-23 11:38:34,451 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {64023#true} {64023#true} #139#return; {64023#true} is VALID [2018-11-23 11:38:34,451 INFO L256 TraceCheckUtils]: 4: Hoare triple {64023#true} call #t~ret4 := main(); {64023#true} is VALID [2018-11-23 11:38:34,451 INFO L273 TraceCheckUtils]: 5: Hoare triple {64023#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {64023#true} is VALID [2018-11-23 11:38:34,452 INFO L273 TraceCheckUtils]: 6: Hoare triple {64023#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {64023#true} is VALID [2018-11-23 11:38:34,452 INFO L273 TraceCheckUtils]: 7: Hoare triple {64023#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {64049#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,452 INFO L273 TraceCheckUtils]: 8: Hoare triple {64049#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {64049#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,452 INFO L273 TraceCheckUtils]: 9: Hoare triple {64049#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {64049#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,453 INFO L273 TraceCheckUtils]: 10: Hoare triple {64049#(= (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {64049#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,453 INFO L273 TraceCheckUtils]: 11: Hoare triple {64049#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {64049#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,453 INFO L273 TraceCheckUtils]: 12: Hoare triple {64049#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {64049#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,454 INFO L273 TraceCheckUtils]: 13: Hoare triple {64049#(= (_ bv0 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {64049#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,454 INFO L273 TraceCheckUtils]: 14: Hoare triple {64049#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {64049#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,454 INFO L273 TraceCheckUtils]: 15: Hoare triple {64049#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {64049#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,455 INFO L273 TraceCheckUtils]: 16: Hoare triple {64049#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {64049#(= (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,455 INFO L273 TraceCheckUtils]: 17: Hoare triple {64049#(= (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {64080#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,455 INFO L273 TraceCheckUtils]: 18: Hoare triple {64080#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {64080#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,456 INFO L273 TraceCheckUtils]: 19: Hoare triple {64080#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {64080#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,456 INFO L273 TraceCheckUtils]: 20: Hoare triple {64080#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {64080#(= (_ bv1 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,457 INFO L273 TraceCheckUtils]: 21: Hoare triple {64080#(= (_ bv1 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {64093#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,457 INFO L273 TraceCheckUtils]: 22: Hoare triple {64093#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {64093#(= (_ bv2 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,458 INFO L273 TraceCheckUtils]: 23: Hoare triple {64093#(= (_ bv2 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {64100#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,458 INFO L273 TraceCheckUtils]: 24: Hoare triple {64100#(= (_ bv3 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {64100#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,459 INFO L273 TraceCheckUtils]: 25: Hoare triple {64100#(= (_ bv3 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {64100#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,459 INFO L273 TraceCheckUtils]: 26: Hoare triple {64100#(= (_ bv3 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {64100#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,460 INFO L273 TraceCheckUtils]: 27: Hoare triple {64100#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {64100#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,460 INFO L273 TraceCheckUtils]: 28: Hoare triple {64100#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {64100#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,461 INFO L273 TraceCheckUtils]: 29: Hoare triple {64100#(= (_ bv3 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {64100#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,461 INFO L273 TraceCheckUtils]: 30: Hoare triple {64100#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {64100#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,462 INFO L273 TraceCheckUtils]: 31: Hoare triple {64100#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {64100#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,462 INFO L273 TraceCheckUtils]: 32: Hoare triple {64100#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {64100#(= (_ bv3 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,463 INFO L273 TraceCheckUtils]: 33: Hoare triple {64100#(= (_ bv3 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {64131#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,463 INFO L273 TraceCheckUtils]: 34: Hoare triple {64131#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {64131#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,464 INFO L273 TraceCheckUtils]: 35: Hoare triple {64131#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {64131#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,464 INFO L273 TraceCheckUtils]: 36: Hoare triple {64131#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {64131#(= (_ bv4 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,465 INFO L273 TraceCheckUtils]: 37: Hoare triple {64131#(= (_ bv4 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {64144#(= (_ bv5 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,466 INFO L273 TraceCheckUtils]: 38: Hoare triple {64144#(= (_ bv5 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {64144#(= (_ bv5 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,466 INFO L273 TraceCheckUtils]: 39: Hoare triple {64144#(= (_ bv5 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,467 INFO L273 TraceCheckUtils]: 40: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,467 INFO L273 TraceCheckUtils]: 41: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,468 INFO L273 TraceCheckUtils]: 42: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,468 INFO L273 TraceCheckUtils]: 43: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,469 INFO L273 TraceCheckUtils]: 44: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,469 INFO L273 TraceCheckUtils]: 45: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,470 INFO L273 TraceCheckUtils]: 46: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,470 INFO L273 TraceCheckUtils]: 47: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,471 INFO L273 TraceCheckUtils]: 48: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,471 INFO L273 TraceCheckUtils]: 49: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {64151#(= (_ bv6 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,472 INFO L273 TraceCheckUtils]: 50: Hoare triple {64151#(= (_ bv6 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {64185#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,472 INFO L273 TraceCheckUtils]: 51: Hoare triple {64185#(= (_ bv7 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {64185#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,473 INFO L273 TraceCheckUtils]: 52: Hoare triple {64185#(= (_ bv7 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {64185#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,473 INFO L273 TraceCheckUtils]: 53: Hoare triple {64185#(= (_ bv7 32) main_~main__j~0)} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {64185#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,474 INFO L273 TraceCheckUtils]: 54: Hoare triple {64185#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {64185#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,474 INFO L273 TraceCheckUtils]: 55: Hoare triple {64185#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {64185#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,475 INFO L273 TraceCheckUtils]: 56: Hoare triple {64185#(= (_ bv7 32) main_~main__j~0)} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {64185#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,475 INFO L273 TraceCheckUtils]: 57: Hoare triple {64185#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {64185#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,476 INFO L273 TraceCheckUtils]: 58: Hoare triple {64185#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {64185#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,476 INFO L273 TraceCheckUtils]: 59: Hoare triple {64185#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {64185#(= (_ bv7 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,477 INFO L273 TraceCheckUtils]: 60: Hoare triple {64185#(= (_ bv7 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {64216#(= (_ bv8 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,477 INFO L273 TraceCheckUtils]: 61: Hoare triple {64216#(= (_ bv8 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {64216#(= (_ bv8 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,478 INFO L273 TraceCheckUtils]: 62: Hoare triple {64216#(= (_ bv8 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {64216#(= (_ bv8 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,478 INFO L273 TraceCheckUtils]: 63: Hoare triple {64216#(= (_ bv8 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {64216#(= (_ bv8 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,479 INFO L273 TraceCheckUtils]: 64: Hoare triple {64216#(= (_ bv8 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {64229#(= (_ bv9 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,480 INFO L273 TraceCheckUtils]: 65: Hoare triple {64229#(= (_ bv9 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {64229#(= (_ bv9 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,481 INFO L273 TraceCheckUtils]: 66: Hoare triple {64229#(= (_ bv9 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {64236#(= (_ bv10 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,482 INFO L273 TraceCheckUtils]: 67: Hoare triple {64236#(= (_ bv10 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {64236#(= (_ bv10 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,483 INFO L273 TraceCheckUtils]: 68: Hoare triple {64236#(= (_ bv10 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {64236#(= (_ bv10 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,483 INFO L273 TraceCheckUtils]: 69: Hoare triple {64236#(= (_ bv10 32) main_~main__j~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {64236#(= (_ bv10 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,483 INFO L273 TraceCheckUtils]: 70: Hoare triple {64236#(= (_ bv10 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {64236#(= (_ bv10 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,483 INFO L273 TraceCheckUtils]: 71: Hoare triple {64236#(= (_ bv10 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {64236#(= (_ bv10 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,484 INFO L273 TraceCheckUtils]: 72: Hoare triple {64236#(= (_ bv10 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {64236#(= (_ bv10 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,484 INFO L273 TraceCheckUtils]: 73: Hoare triple {64236#(= (_ bv10 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {64258#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:38:34,485 INFO L273 TraceCheckUtils]: 74: Hoare triple {64258#(= (bvadd main_~__VERIFIER_assert__cond~5 (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {64024#false} is VALID [2018-11-23 11:38:34,485 INFO L273 TraceCheckUtils]: 75: Hoare triple {64024#false} assume !false; {64024#false} is VALID [2018-11-23 11:38:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:38:34,490 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:38:34,939 INFO L273 TraceCheckUtils]: 75: Hoare triple {64024#false} assume !false; {64024#false} is VALID [2018-11-23 11:38:34,939 INFO L273 TraceCheckUtils]: 74: Hoare triple {64268#(not (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)))} assume 0bv32 == ~__VERIFIER_assert__cond~5; {64024#false} is VALID [2018-11-23 11:38:34,940 INFO L273 TraceCheckUtils]: 73: Hoare triple {64272#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {64268#(not (= main_~__VERIFIER_assert__cond~5 (_ bv0 32)))} is VALID [2018-11-23 11:38:34,941 INFO L273 TraceCheckUtils]: 72: Hoare triple {64272#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {64272#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,941 INFO L273 TraceCheckUtils]: 71: Hoare triple {64272#(bvsle (_ bv0 32) main_~main__j~0)} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {64272#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,942 INFO L273 TraceCheckUtils]: 70: Hoare triple {64272#(bvsle (_ bv0 32) main_~main__j~0)} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {64272#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,942 INFO L273 TraceCheckUtils]: 69: Hoare triple {64272#(bvsle (_ bv0 32) main_~main__j~0)} assume !~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0); {64272#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,943 INFO L273 TraceCheckUtils]: 68: Hoare triple {64272#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__j~0, ~main__limit~0); {64272#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,943 INFO L273 TraceCheckUtils]: 67: Hoare triple {64272#(bvsle (_ bv0 32) main_~main__j~0)} assume ~bvslt32(~main__i~0, ~main__len~0); {64272#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,944 INFO L273 TraceCheckUtils]: 66: Hoare triple {64294#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {64272#(bvsle (_ bv0 32) main_~main__j~0)} is VALID [2018-11-23 11:38:34,944 INFO L273 TraceCheckUtils]: 65: Hoare triple {64294#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {64294#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:38:34,948 INFO L273 TraceCheckUtils]: 64: Hoare triple {64301#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {64294#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv1 32)))} is VALID [2018-11-23 11:38:34,948 INFO L273 TraceCheckUtils]: 63: Hoare triple {64301#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {64301#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:34,949 INFO L273 TraceCheckUtils]: 62: Hoare triple {64301#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {64301#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:34,949 INFO L273 TraceCheckUtils]: 61: Hoare triple {64301#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {64301#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:34,952 INFO L273 TraceCheckUtils]: 60: Hoare triple {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {64301#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv2 32)))} is VALID [2018-11-23 11:38:34,952 INFO L273 TraceCheckUtils]: 59: Hoare triple {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:34,952 INFO L273 TraceCheckUtils]: 58: Hoare triple {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:34,953 INFO L273 TraceCheckUtils]: 57: Hoare triple {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:34,953 INFO L273 TraceCheckUtils]: 56: Hoare triple {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:34,953 INFO L273 TraceCheckUtils]: 55: Hoare triple {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:34,954 INFO L273 TraceCheckUtils]: 54: Hoare triple {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:34,954 INFO L273 TraceCheckUtils]: 53: Hoare triple {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:34,954 INFO L273 TraceCheckUtils]: 52: Hoare triple {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:34,955 INFO L273 TraceCheckUtils]: 51: Hoare triple {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:34,958 INFO L273 TraceCheckUtils]: 50: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~5);~main____CPAchecker_TMP_6~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_7~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {64314#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv3 32)))} is VALID [2018-11-23 11:38:34,959 INFO L273 TraceCheckUtils]: 49: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,959 INFO L273 TraceCheckUtils]: 48: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~3);havoc ~__tmp_5~0;~__tmp_5~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,960 INFO L273 TraceCheckUtils]: 47: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,960 INFO L273 TraceCheckUtils]: 46: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} havoc ~__tmp_3~0;~__tmp_3~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,960 INFO L273 TraceCheckUtils]: 45: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~main____CPAchecker_TMP_0~0); {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,960 INFO L273 TraceCheckUtils]: 44: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,961 INFO L273 TraceCheckUtils]: 43: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,961 INFO L273 TraceCheckUtils]: 42: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,961 INFO L273 TraceCheckUtils]: 41: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,962 INFO L273 TraceCheckUtils]: 40: Hoare triple {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,965 INFO L273 TraceCheckUtils]: 39: Hoare triple {64379#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {64345#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv4 32)))} is VALID [2018-11-23 11:38:34,966 INFO L273 TraceCheckUtils]: 38: Hoare triple {64379#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {64379#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:34,969 INFO L273 TraceCheckUtils]: 37: Hoare triple {64386#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {64379#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv5 32)))} is VALID [2018-11-23 11:38:34,969 INFO L273 TraceCheckUtils]: 36: Hoare triple {64386#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {64386#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} is VALID [2018-11-23 11:38:34,970 INFO L273 TraceCheckUtils]: 35: Hoare triple {64386#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {64386#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} is VALID [2018-11-23 11:38:34,970 INFO L273 TraceCheckUtils]: 34: Hoare triple {64386#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {64386#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} is VALID [2018-11-23 11:38:34,973 INFO L273 TraceCheckUtils]: 33: Hoare triple {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {64386#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv6 32)))} is VALID [2018-11-23 11:38:34,973 INFO L273 TraceCheckUtils]: 32: Hoare triple {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:34,974 INFO L273 TraceCheckUtils]: 31: Hoare triple {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:34,974 INFO L273 TraceCheckUtils]: 30: Hoare triple {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:34,974 INFO L273 TraceCheckUtils]: 29: Hoare triple {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:34,974 INFO L273 TraceCheckUtils]: 28: Hoare triple {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:34,975 INFO L273 TraceCheckUtils]: 27: Hoare triple {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:34,975 INFO L273 TraceCheckUtils]: 26: Hoare triple {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:34,975 INFO L273 TraceCheckUtils]: 25: Hoare triple {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:34,976 INFO L273 TraceCheckUtils]: 24: Hoare triple {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:34,979 INFO L273 TraceCheckUtils]: 23: Hoare triple {64430#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~15);~main____CPAchecker_TMP_5~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0); {64399#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv7 32)))} is VALID [2018-11-23 11:38:34,979 INFO L273 TraceCheckUtils]: 22: Hoare triple {64430#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {64430#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:34,982 INFO L273 TraceCheckUtils]: 21: Hoare triple {64437#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv9 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~13);~main____CPAchecker_TMP_3~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_4~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {64430#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv8 32)))} is VALID [2018-11-23 11:38:34,983 INFO L273 TraceCheckUtils]: 20: Hoare triple {64437#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv9 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {64437#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv9 32)))} is VALID [2018-11-23 11:38:34,983 INFO L273 TraceCheckUtils]: 19: Hoare triple {64437#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv9 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~11);havoc ~__tmp_13~0;~__tmp_13~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {64437#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv9 32)))} is VALID [2018-11-23 11:38:34,983 INFO L273 TraceCheckUtils]: 18: Hoare triple {64437#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv9 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {64437#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv9 32)))} is VALID [2018-11-23 11:38:34,986 INFO L273 TraceCheckUtils]: 17: Hoare triple {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~9);~main____CPAchecker_TMP_1~0 := ~main__j~0;~main__j~0 := ~bvadd32(1bv32, ~main__j~0);~main____CPAchecker_TMP_2~0 := ~main__i~0;~main__i~0 := ~bvadd32(1bv32, ~main__i~0);havoc ~__tmp_11~0;~__tmp_11~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {64437#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv9 32)))} is VALID [2018-11-23 11:38:34,987 INFO L273 TraceCheckUtils]: 16: Hoare triple {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if ~bvsle32(0bv32, ~main__j~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} is VALID [2018-11-23 11:38:34,987 INFO L273 TraceCheckUtils]: 15: Hoare triple {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~7);havoc ~__tmp_9~0;~__tmp_9~0 := (if ~bvslt32(~main__j~0, ~main__bufsize~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} is VALID [2018-11-23 11:38:34,987 INFO L273 TraceCheckUtils]: 14: Hoare triple {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} is VALID [2018-11-23 11:38:34,988 INFO L273 TraceCheckUtils]: 13: Hoare triple {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} assume !!(0bv32 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_7~0;~__tmp_7~0 := (if ~bvslt32(~main__i~0, ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} is VALID [2018-11-23 11:38:34,988 INFO L273 TraceCheckUtils]: 12: Hoare triple {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} is VALID [2018-11-23 11:38:34,988 INFO L273 TraceCheckUtils]: 11: Hoare triple {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} assume !(0bv32 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if ~bvsle32(0bv32, ~main__i~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} is VALID [2018-11-23 11:38:34,989 INFO L273 TraceCheckUtils]: 10: Hoare triple {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} assume ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0);havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvslt32(~bvadd32(1bv32, ~main__i~0), ~main__len~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} is VALID [2018-11-23 11:38:34,989 INFO L273 TraceCheckUtils]: 9: Hoare triple {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} assume ~bvslt32(~main__j~0, ~main__limit~0); {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} is VALID [2018-11-23 11:38:34,989 INFO L273 TraceCheckUtils]: 8: Hoare triple {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} assume ~bvslt32(~main__i~0, ~main__len~0); {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} is VALID [2018-11-23 11:38:34,990 INFO L273 TraceCheckUtils]: 7: Hoare triple {64023#true} assume ~bvslt32(~main__i~0, ~main__len~0);~main__j~0 := 0bv32; {64450#(bvsle (_ bv0 32) (bvadd main_~main__j~0 (_ bv10 32)))} is VALID [2018-11-23 11:38:34,990 INFO L273 TraceCheckUtils]: 6: Hoare triple {64023#true} assume !~bvslt32(~main__bufsize~0, 0bv32);~main__len~0 := #t~nondet2;havoc #t~nondet2;~main__limit~0 := ~bvsub32(~main__bufsize~0, 4bv32);~main__i~0 := 0bv32; {64023#true} is VALID [2018-11-23 11:38:34,990 INFO L273 TraceCheckUtils]: 5: Hoare triple {64023#true} havoc ~main__len~0;havoc ~main__i~0;havoc ~main__j~0;havoc ~main__bufsize~0;~main__bufsize~0 := #t~nondet1;havoc #t~nondet1; {64023#true} is VALID [2018-11-23 11:38:34,990 INFO L256 TraceCheckUtils]: 4: Hoare triple {64023#true} call #t~ret4 := main(); {64023#true} is VALID [2018-11-23 11:38:34,990 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {64023#true} {64023#true} #139#return; {64023#true} is VALID [2018-11-23 11:38:34,990 INFO L273 TraceCheckUtils]: 2: Hoare triple {64023#true} assume true; {64023#true} is VALID [2018-11-23 11:38:34,990 INFO L273 TraceCheckUtils]: 1: Hoare triple {64023#true} ~__return_main~0 := 0bv32;~__return_334~0 := 0bv32; {64023#true} is VALID [2018-11-23 11:38:34,990 INFO L256 TraceCheckUtils]: 0: Hoare triple {64023#true} call ULTIMATE.init(); {64023#true} is VALID [2018-11-23 11:38:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:38:34,999 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:38:34,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-11-23 11:38:35,000 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 76 [2018-11-23 11:38:35,000 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:38:35,000 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states. [2018-11-23 11:38:35,215 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:38:35,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-23 11:38:35,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-23 11:38:35,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2018-11-23 11:38:35,217 INFO L87 Difference]: Start difference. First operand 467 states and 536 transitions. Second operand 26 states.