java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector-Const.epf -i ../../../trunk/examples/svcomp/array-examples/standard_sentinel_true-unreach-call.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 17:49:22,980 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 17:49:22,983 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 17:49:22,996 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 17:49:22,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 17:49:22,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 17:49:22,999 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 17:49:23,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 17:49:23,003 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 17:49:23,004 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 17:49:23,005 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 17:49:23,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 17:49:23,006 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 17:49:23,008 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 17:49:23,009 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 17:49:23,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 17:49:23,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 17:49:23,012 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 17:49:23,014 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 17:49:23,016 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 17:49:23,017 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 17:49:23,018 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 17:49:23,021 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 17:49:23,021 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 17:49:23,022 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 17:49:23,023 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 17:49:23,024 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 17:49:23,025 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 17:49:23,025 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 17:49:23,027 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 17:49:23,027 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 17:49:23,028 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 17:49:23,028 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 17:49:23,028 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 17:49:23,029 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 17:49:23,030 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 17:49:23,030 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector-Const.epf [2018-11-14 17:49:23,053 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 17:49:23,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 17:49:23,054 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 17:49:23,054 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 17:49:23,055 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 17:49:23,055 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 17:49:23,055 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 17:49:23,056 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 17:49:23,058 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 17:49:23,058 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 17:49:23,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 17:49:23,058 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 17:49:23,059 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 17:49:23,059 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 17:49:23,059 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 17:49:23,059 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 17:49:23,059 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 17:49:23,060 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 17:49:23,060 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-14 17:49:23,060 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 17:49:23,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 17:49:23,060 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 17:49:23,061 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 17:49:23,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 17:49:23,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 17:49:23,061 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 17:49:23,061 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 17:49:23,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 17:49:23,062 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 17:49:23,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 17:49:23,062 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 17:49:23,062 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 17:49:23,063 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 17:49:23,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 17:49:23,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 17:49:23,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 17:49:23,127 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 17:49:23,127 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 17:49:23,128 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_sentinel_true-unreach-call.i.v+cfa-reducer.c [2018-11-14 17:49:23,184 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70b88977/d3d1fc5afe624d2babe090670708ed7b/FLAG8ac1c657b [2018-11-14 17:49:23,618 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 17:49:23,619 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_sentinel_true-unreach-call.i.v+cfa-reducer.c [2018-11-14 17:49:23,627 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70b88977/d3d1fc5afe624d2babe090670708ed7b/FLAG8ac1c657b [2018-11-14 17:49:23,649 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70b88977/d3d1fc5afe624d2babe090670708ed7b [2018-11-14 17:49:23,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 17:49:23,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 17:49:23,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 17:49:23,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 17:49:23,669 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 17:49:23,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:49:23" (1/1) ... [2018-11-14 17:49:23,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4d4ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:23, skipping insertion in model container [2018-11-14 17:49:23,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:49:23" (1/1) ... [2018-11-14 17:49:23,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 17:49:23,716 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 17:49:23,949 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:49:23,958 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 17:49:23,986 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:49:24,013 INFO L195 MainTranslator]: Completed translation [2018-11-14 17:49:24,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:24 WrapperNode [2018-11-14 17:49:24,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 17:49:24,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 17:49:24,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 17:49:24,015 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 17:49:24,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:24" (1/1) ... [2018-11-14 17:49:24,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:24" (1/1) ... [2018-11-14 17:49:24,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:24" (1/1) ... [2018-11-14 17:49:24,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:24" (1/1) ... [2018-11-14 17:49:24,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:24" (1/1) ... [2018-11-14 17:49:24,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:24" (1/1) ... [2018-11-14 17:49:24,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:24" (1/1) ... [2018-11-14 17:49:24,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 17:49:24,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 17:49:24,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 17:49:24,058 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 17:49:24,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 17:49:24,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 17:49:24,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 17:49:24,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 17:49:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 17:49:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 17:49:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 17:49:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 17:49:24,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 17:49:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-14 17:49:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-14 17:49:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 17:49:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 17:49:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 17:49:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-14 17:49:24,663 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 17:49:24,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:49:24 BoogieIcfgContainer [2018-11-14 17:49:24,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 17:49:24,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 17:49:24,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 17:49:24,668 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 17:49:24,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:49:23" (1/3) ... [2018-11-14 17:49:24,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b37ce58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:49:24, skipping insertion in model container [2018-11-14 17:49:24,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:49:24" (2/3) ... [2018-11-14 17:49:24,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b37ce58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:49:24, skipping insertion in model container [2018-11-14 17:49:24,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:49:24" (3/3) ... [2018-11-14 17:49:24,673 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_sentinel_true-unreach-call.i.v+cfa-reducer.c [2018-11-14 17:49:24,683 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 17:49:24,690 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 17:49:24,705 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 17:49:24,737 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 17:49:24,738 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 17:49:24,739 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 17:49:24,739 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 17:49:24,739 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 17:49:24,739 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 17:49:24,739 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 17:49:24,740 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 17:49:24,740 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 17:49:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-14 17:49:24,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-14 17:49:24,765 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:49:24,766 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:49:24,769 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:49:24,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:49:24,775 INFO L82 PathProgramCache]: Analyzing trace with hash -920288751, now seen corresponding path program 1 times [2018-11-14 17:49:24,781 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 17:49:24,781 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 17:49:24,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:49:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:49:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:49:24,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:49:25,222 INFO L256 TraceCheckUtils]: 0: Hoare triple {20#true} call ULTIMATE.init(); {20#true} is VALID [2018-11-14 17:49:25,227 INFO L273 TraceCheckUtils]: 1: Hoare triple {20#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~__return_main~0 := 0bv32;~__return_60~0 := 0bv32; {20#true} is VALID [2018-11-14 17:49:25,228 INFO L273 TraceCheckUtils]: 2: Hoare triple {20#true} assume true; {20#true} is VALID [2018-11-14 17:49:25,228 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {20#true} {20#true} #29#return; {20#true} is VALID [2018-11-14 17:49:25,229 INFO L256 TraceCheckUtils]: 4: Hoare triple {20#true} call #t~ret3 := main(); {20#true} is VALID [2018-11-14 17:49:25,229 INFO L273 TraceCheckUtils]: 5: Hoare triple {20#true} call ~#main__a~0.base, ~#main__a~0.offset := #Ultimate.alloc(400000bv32);havoc ~main__marker~0;~main__marker~0 := #t~nondet0;havoc #t~nondet0;havoc ~main__pos~0;~main__pos~0 := #t~nondet1;havoc #t~nondet1; {20#true} is VALID [2018-11-14 17:49:25,242 INFO L273 TraceCheckUtils]: 6: Hoare triple {20#true} assume ~bvsge32(~main__pos~0, 0bv32); {43#(bvsge main_~main__pos~0 (_ bv0 32))} is VALID [2018-11-14 17:49:25,256 INFO L273 TraceCheckUtils]: 7: Hoare triple {43#(bvsge main_~main__pos~0 (_ bv0 32))} assume ~bvslt32(~main__pos~0, 100000bv32);call write~intINTTYPE4(~main__marker~0, ~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__pos~0)), 4bv32);~main__i~0 := 0bv32; {47#(and (bvsge main_~main__pos~0 (_ bv0 32)) (= (_ bv0 32) main_~main__i~0))} is VALID [2018-11-14 17:49:25,269 INFO L273 TraceCheckUtils]: 8: Hoare triple {47#(and (bvsge main_~main__pos~0 (_ bv0 32)) (= (_ bv0 32) main_~main__i~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {47#(and (bvsge main_~main__pos~0 (_ bv0 32)) (= (_ bv0 32) main_~main__i~0))} is VALID [2018-11-14 17:49:25,283 INFO L273 TraceCheckUtils]: 9: Hoare triple {47#(and (bvsge main_~main__pos~0 (_ bv0 32)) (= (_ bv0 32) main_~main__i~0))} assume !(#t~mem2 != ~main__marker~0);havoc #t~mem2;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvsle32(~main__i~0, ~main__pos~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {54#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 17:49:25,296 INFO L273 TraceCheckUtils]: 10: Hoare triple {54#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} assume ~__VERIFIER_assert__cond~0 == 0bv32; {21#false} is VALID [2018-11-14 17:49:25,296 INFO L273 TraceCheckUtils]: 11: Hoare triple {21#false} assume !false; {21#false} is VALID [2018-11-14 17:49:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:49:25,300 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 17:49:25,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 17:49:25,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-14 17:49:25,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-11-14 17:49:25,314 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:49:25,324 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-14 17:49:25,451 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:49:25,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-14 17:49:25,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-14 17:49:25,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-14 17:49:25,462 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-11-14 17:49:25,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:49:25,916 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2018-11-14 17:49:25,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-14 17:49:25,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-11-14 17:49:25,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:49:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 17:49:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2018-11-14 17:49:25,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-14 17:49:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2018-11-14 17:49:25,937 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 34 transitions. [2018-11-14 17:49:26,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:49:26,197 INFO L225 Difference]: With dead ends: 30 [2018-11-14 17:49:26,197 INFO L226 Difference]: Without dead ends: 15 [2018-11-14 17:49:26,200 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-14 17:49:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-14 17:49:26,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-14 17:49:26,243 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:49:26,243 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand 15 states. [2018-11-14 17:49:26,244 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-11-14 17:49:26,244 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-11-14 17:49:26,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:49:26,247 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-11-14 17:49:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-14 17:49:26,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:49:26,248 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:49:26,248 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 15 states. [2018-11-14 17:49:26,249 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 15 states. [2018-11-14 17:49:26,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:49:26,252 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-11-14 17:49:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-14 17:49:26,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:49:26,253 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:49:26,253 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:49:26,253 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:49:26,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-14 17:49:26,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-14 17:49:26,257 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-11-14 17:49:26,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:49:26,258 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-11-14 17:49:26,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-14 17:49:26,258 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-14 17:49:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-14 17:49:26,259 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:49:26,259 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:49:26,260 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:49:26,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:49:26,260 INFO L82 PathProgramCache]: Analyzing trace with hash 363684724, now seen corresponding path program 1 times [2018-11-14 17:49:26,261 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 17:49:26,261 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 17:49:26,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:49:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:49:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:49:26,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:49:26,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-14 17:49:26,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-14 17:49:26,836 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 17:49:26,873 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:49:26,999 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:49:27,000 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-11-14 17:49:27,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-14 17:49:27,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:49:27,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 29 [2018-11-14 17:49:27,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-14 17:49:27,548 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-14 17:49:27,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-14 17:49:27,582 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:44 [2018-11-14 17:49:27,588 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 17:49:27,784 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-14 17:49:27,846 INFO L256 TraceCheckUtils]: 0: Hoare triple {149#true} call ULTIMATE.init(); {149#true} is VALID [2018-11-14 17:49:27,847 INFO L273 TraceCheckUtils]: 1: Hoare triple {149#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~__return_main~0 := 0bv32;~__return_60~0 := 0bv32; {149#true} is VALID [2018-11-14 17:49:27,847 INFO L273 TraceCheckUtils]: 2: Hoare triple {149#true} assume true; {149#true} is VALID [2018-11-14 17:49:27,848 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {149#true} {149#true} #29#return; {149#true} is VALID [2018-11-14 17:49:27,849 INFO L256 TraceCheckUtils]: 4: Hoare triple {149#true} call #t~ret3 := main(); {149#true} is VALID [2018-11-14 17:49:27,850 INFO L273 TraceCheckUtils]: 5: Hoare triple {149#true} call ~#main__a~0.base, ~#main__a~0.offset := #Ultimate.alloc(400000bv32);havoc ~main__marker~0;~main__marker~0 := #t~nondet0;havoc #t~nondet0;havoc ~main__pos~0;~main__pos~0 := #t~nondet1;havoc #t~nondet1; {169#(= |main_~#main__a~0.offset| (_ bv0 32))} is VALID [2018-11-14 17:49:27,851 INFO L273 TraceCheckUtils]: 6: Hoare triple {169#(= |main_~#main__a~0.offset| (_ bv0 32))} assume ~bvsge32(~main__pos~0, 0bv32); {173#(and (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)))} is VALID [2018-11-14 17:49:27,853 INFO L273 TraceCheckUtils]: 7: Hoare triple {173#(and (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)))} assume ~bvslt32(~main__pos~0, 100000bv32);call write~intINTTYPE4(~main__marker~0, ~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__pos~0)), 4bv32);~main__i~0 := 0bv32; {177#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:27,854 INFO L273 TraceCheckUtils]: 8: Hoare triple {177#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {181#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:27,855 INFO L273 TraceCheckUtils]: 9: Hoare triple {181#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {185#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (= (_ bv1 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:27,858 INFO L273 TraceCheckUtils]: 10: Hoare triple {185#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (= (_ bv1 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {189#(or (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (= main_~main__marker~0 |main_#t~mem2|) (= (_ bv1 32) main_~main__i~0)) (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (bvmul (_ bv4 32) main_~main__i~0))) (= (_ bv1 32) main_~main__i~0)))} is VALID [2018-11-14 17:49:27,861 INFO L273 TraceCheckUtils]: 11: Hoare triple {189#(or (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (= main_~main__marker~0 |main_#t~mem2|) (= (_ bv1 32) main_~main__i~0)) (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (bvmul (_ bv4 32) main_~main__i~0))) (= (_ bv1 32) main_~main__i~0)))} assume !(#t~mem2 != ~main__marker~0);havoc #t~mem2;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvsle32(~main__i~0, ~main__pos~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {193#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 17:49:27,862 INFO L273 TraceCheckUtils]: 12: Hoare triple {193#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} assume ~__VERIFIER_assert__cond~0 == 0bv32; {150#false} is VALID [2018-11-14 17:49:27,863 INFO L273 TraceCheckUtils]: 13: Hoare triple {150#false} assume !false; {150#false} is VALID [2018-11-14 17:49:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:49:27,865 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 17:49:29,275 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 17:49:29,299 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 17:49:29,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-11-14 17:49:29,523 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 19 [2018-11-14 17:49:29,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2018-11-14 17:49:29,538 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-14 17:49:29,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2018-11-14 17:49:29,549 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-14 17:49:29,557 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:49:29,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:49:29,608 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:43, output treesize:9 [2018-11-14 17:49:29,631 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 17:49:29,706 INFO L273 TraceCheckUtils]: 13: Hoare triple {150#false} assume !false; {150#false} is VALID [2018-11-14 17:49:29,707 INFO L273 TraceCheckUtils]: 12: Hoare triple {203#(not (= main_~__VERIFIER_assert__cond~0 (_ bv0 32)))} assume ~__VERIFIER_assert__cond~0 == 0bv32; {150#false} is VALID [2018-11-14 17:49:29,708 INFO L273 TraceCheckUtils]: 11: Hoare triple {207#(or (not (= main_~main__marker~0 |main_#t~mem2|)) (bvsle main_~main__i~0 main_~main__pos~0))} assume !(#t~mem2 != ~main__marker~0);havoc #t~mem2;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvsle32(~main__i~0, ~main__pos~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {203#(not (= main_~__VERIFIER_assert__cond~0 (_ bv0 32)))} is VALID [2018-11-14 17:49:29,709 INFO L273 TraceCheckUtils]: 10: Hoare triple {211#(or (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0)) (bvsle main_~main__i~0 main_~main__pos~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {207#(or (not (= main_~main__marker~0 |main_#t~mem2|)) (bvsle main_~main__i~0 main_~main__pos~0))} is VALID [2018-11-14 17:49:29,908 INFO L273 TraceCheckUtils]: 9: Hoare triple {215#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= main_~main__marker~0 |main_#t~mem2|))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {211#(or (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0)) (bvsle main_~main__i~0 main_~main__pos~0))} is VALID [2018-11-14 17:49:29,909 INFO L273 TraceCheckUtils]: 8: Hoare triple {219#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {215#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= main_~main__marker~0 |main_#t~mem2|))} is VALID [2018-11-14 17:49:29,912 INFO L273 TraceCheckUtils]: 7: Hoare triple {223#(or (= (_ bv0 32) (bvmul (_ bv4 32) main_~main__pos~0)) (bvsle (_ bv1 32) main_~main__pos~0))} assume ~bvslt32(~main__pos~0, 100000bv32);call write~intINTTYPE4(~main__marker~0, ~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__pos~0)), 4bv32);~main__i~0 := 0bv32; {219#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0))} is VALID [2018-11-14 17:49:29,922 INFO L273 TraceCheckUtils]: 6: Hoare triple {149#true} assume ~bvsge32(~main__pos~0, 0bv32); {223#(or (= (_ bv0 32) (bvmul (_ bv4 32) main_~main__pos~0)) (bvsle (_ bv1 32) main_~main__pos~0))} is VALID [2018-11-14 17:49:29,922 INFO L273 TraceCheckUtils]: 5: Hoare triple {149#true} call ~#main__a~0.base, ~#main__a~0.offset := #Ultimate.alloc(400000bv32);havoc ~main__marker~0;~main__marker~0 := #t~nondet0;havoc #t~nondet0;havoc ~main__pos~0;~main__pos~0 := #t~nondet1;havoc #t~nondet1; {149#true} is VALID [2018-11-14 17:49:29,923 INFO L256 TraceCheckUtils]: 4: Hoare triple {149#true} call #t~ret3 := main(); {149#true} is VALID [2018-11-14 17:49:29,923 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {149#true} {149#true} #29#return; {149#true} is VALID [2018-11-14 17:49:29,923 INFO L273 TraceCheckUtils]: 2: Hoare triple {149#true} assume true; {149#true} is VALID [2018-11-14 17:49:29,923 INFO L273 TraceCheckUtils]: 1: Hoare triple {149#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~__return_main~0 := 0bv32;~__return_60~0 := 0bv32; {149#true} is VALID [2018-11-14 17:49:29,926 INFO L256 TraceCheckUtils]: 0: Hoare triple {149#true} call ULTIMATE.init(); {149#true} is VALID [2018-11-14 17:49:29,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:49:29,931 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:49:29,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2018-11-14 17:49:29,933 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2018-11-14 17:49:29,933 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:49:29,933 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2018-11-14 17:49:30,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:49:30,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-14 17:49:30,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-14 17:49:30,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-11-14 17:49:30,188 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 15 states. [2018-11-14 17:49:30,705 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-11-14 17:49:35,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:49:35,548 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2018-11-14 17:49:35,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-14 17:49:35,549 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2018-11-14 17:49:35,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:49:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-14 17:49:35,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 27 transitions. [2018-11-14 17:49:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-14 17:49:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 27 transitions. [2018-11-14 17:49:35,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 27 transitions. [2018-11-14 17:49:37,625 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 26 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2018-11-14 17:49:37,628 INFO L225 Difference]: With dead ends: 25 [2018-11-14 17:49:37,628 INFO L226 Difference]: Without dead ends: 21 [2018-11-14 17:49:37,630 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2018-11-14 17:49:37,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-11-14 17:49:37,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-11-14 17:49:37,676 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:49:37,676 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand 21 states. [2018-11-14 17:49:37,676 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2018-11-14 17:49:37,677 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2018-11-14 17:49:37,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:49:37,679 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-11-14 17:49:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-11-14 17:49:37,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:49:37,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:49:37,680 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 21 states. [2018-11-14 17:49:37,680 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 21 states. [2018-11-14 17:49:37,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:49:37,682 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-11-14 17:49:37,683 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-11-14 17:49:37,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:49:37,683 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:49:37,684 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:49:37,684 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:49:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-14 17:49:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-11-14 17:49:37,686 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2018-11-14 17:49:37,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:49:37,686 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-11-14 17:49:37,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-14 17:49:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-11-14 17:49:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-14 17:49:37,687 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:49:37,688 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:49:37,688 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:49:37,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:49:37,688 INFO L82 PathProgramCache]: Analyzing trace with hash -750191843, now seen corresponding path program 2 times [2018-11-14 17:49:37,689 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 17:49:37,689 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 17:49:37,708 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-14 17:49:37,783 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-14 17:49:37,784 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:49:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:49:37,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:49:37,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-14 17:49:37,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-14 17:49:37,887 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 17:49:37,892 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:49:37,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:49:37,915 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-11-14 17:49:38,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2018-11-14 17:49:38,872 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:49:38,875 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:49:38,883 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:49:38,887 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:49:38,946 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 77 [2018-11-14 17:49:38,961 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-14 17:49:39,040 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-14 17:49:39,106 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-14 17:49:39,106 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:60, output treesize:80 [2018-11-14 17:49:39,115 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 17:49:39,326 INFO L256 TraceCheckUtils]: 0: Hoare triple {367#true} call ULTIMATE.init(); {367#true} is VALID [2018-11-14 17:49:39,326 INFO L273 TraceCheckUtils]: 1: Hoare triple {367#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~__return_main~0 := 0bv32;~__return_60~0 := 0bv32; {367#true} is VALID [2018-11-14 17:49:39,326 INFO L273 TraceCheckUtils]: 2: Hoare triple {367#true} assume true; {367#true} is VALID [2018-11-14 17:49:39,327 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {367#true} {367#true} #29#return; {367#true} is VALID [2018-11-14 17:49:39,327 INFO L256 TraceCheckUtils]: 4: Hoare triple {367#true} call #t~ret3 := main(); {367#true} is VALID [2018-11-14 17:49:39,335 INFO L273 TraceCheckUtils]: 5: Hoare triple {367#true} call ~#main__a~0.base, ~#main__a~0.offset := #Ultimate.alloc(400000bv32);havoc ~main__marker~0;~main__marker~0 := #t~nondet0;havoc #t~nondet0;havoc ~main__pos~0;~main__pos~0 := #t~nondet1;havoc #t~nondet1; {387#(= |main_~#main__a~0.offset| (_ bv0 32))} is VALID [2018-11-14 17:49:39,336 INFO L273 TraceCheckUtils]: 6: Hoare triple {387#(= |main_~#main__a~0.offset| (_ bv0 32))} assume ~bvsge32(~main__pos~0, 0bv32); {391#(and (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)))} is VALID [2018-11-14 17:49:39,337 INFO L273 TraceCheckUtils]: 7: Hoare triple {391#(and (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)))} assume ~bvslt32(~main__pos~0, 100000bv32);call write~intINTTYPE4(~main__marker~0, ~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__pos~0)), 4bv32);~main__i~0 := 0bv32; {395#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:39,339 INFO L273 TraceCheckUtils]: 8: Hoare triple {395#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {399#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:39,340 INFO L273 TraceCheckUtils]: 9: Hoare triple {399#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {403#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (= (_ bv1 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:39,342 INFO L273 TraceCheckUtils]: 10: Hoare triple {403#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (= (_ bv1 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {407#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (= (_ bv1 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:39,347 INFO L273 TraceCheckUtils]: 11: Hoare triple {407#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (= (_ bv1 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {411#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:39,348 INFO L273 TraceCheckUtils]: 12: Hoare triple {411#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {415#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:39,350 INFO L273 TraceCheckUtils]: 13: Hoare triple {415#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {419#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv3 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:39,351 INFO L273 TraceCheckUtils]: 14: Hoare triple {419#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv3 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {423#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv3 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:39,353 INFO L273 TraceCheckUtils]: 15: Hoare triple {423#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv3 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {427#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (_ bv4 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:49:39,360 INFO L273 TraceCheckUtils]: 16: Hoare triple {427#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (_ bv4 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {431#(or (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967292 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967288 32)) (_ bv0 32))) (= main_~main__marker~0 |main_#t~mem2|) (= (_ bv4 32) main_~main__i~0) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967284 32)) (_ bv0 32)))) (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (bvmul (_ bv4 32) main_~main__i~0))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967292 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967288 32)) (_ bv0 32))) (= (_ bv4 32) main_~main__i~0) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967284 32)) (_ bv0 32)))))} is VALID [2018-11-14 17:49:39,363 INFO L273 TraceCheckUtils]: 17: Hoare triple {431#(or (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967292 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967288 32)) (_ bv0 32))) (= main_~main__marker~0 |main_#t~mem2|) (= (_ bv4 32) main_~main__i~0) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967284 32)) (_ bv0 32)))) (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (bvmul (_ bv4 32) main_~main__i~0))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967292 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967288 32)) (_ bv0 32))) (= (_ bv4 32) main_~main__i~0) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967284 32)) (_ bv0 32)))))} assume !(#t~mem2 != ~main__marker~0);havoc #t~mem2;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvsle32(~main__i~0, ~main__pos~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {435#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 17:49:39,364 INFO L273 TraceCheckUtils]: 18: Hoare triple {435#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} assume ~__VERIFIER_assert__cond~0 == 0bv32; {368#false} is VALID [2018-11-14 17:49:39,364 INFO L273 TraceCheckUtils]: 19: Hoare triple {368#false} assume !false; {368#false} is VALID [2018-11-14 17:49:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:49:39,370 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 17:49:47,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2018-11-14 17:49:47,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2018-11-14 17:49:47,468 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 17:49:47,477 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:49:47,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2018-11-14 17:49:47,610 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:49:47,611 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:49:47,624 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:49:47,624 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:49:47,627 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:49:47,628 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:49:47,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 113 [2018-11-14 17:49:47,667 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-14 17:49:47,704 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:49:47,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:49:47,721 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:88, output treesize:38 [2018-11-14 17:49:47,770 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 17:49:47,924 INFO L273 TraceCheckUtils]: 19: Hoare triple {368#false} assume !false; {368#false} is VALID [2018-11-14 17:49:47,925 INFO L273 TraceCheckUtils]: 18: Hoare triple {445#(not (= main_~__VERIFIER_assert__cond~0 (_ bv0 32)))} assume ~__VERIFIER_assert__cond~0 == 0bv32; {368#false} is VALID [2018-11-14 17:49:47,927 INFO L273 TraceCheckUtils]: 17: Hoare triple {449#(or (not (= main_~main__marker~0 |main_#t~mem2|)) (bvsle main_~main__i~0 main_~main__pos~0))} assume !(#t~mem2 != ~main__marker~0);havoc #t~mem2;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvsle32(~main__i~0, ~main__pos~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {445#(not (= main_~__VERIFIER_assert__cond~0 (_ bv0 32)))} is VALID [2018-11-14 17:49:47,928 INFO L273 TraceCheckUtils]: 16: Hoare triple {453#(or (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0)) (bvsle main_~main__i~0 main_~main__pos~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {449#(or (not (= main_~main__marker~0 |main_#t~mem2|)) (bvsle main_~main__i~0 main_~main__pos~0))} is VALID [2018-11-14 17:49:48,137 INFO L273 TraceCheckUtils]: 15: Hoare triple {457#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= main_~main__marker~0 |main_#t~mem2|))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {453#(or (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0)) (bvsle main_~main__i~0 main_~main__pos~0))} is VALID [2018-11-14 17:49:48,138 INFO L273 TraceCheckUtils]: 14: Hoare triple {461#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {457#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= main_~main__marker~0 |main_#t~mem2|))} is VALID [2018-11-14 17:49:49,128 INFO L273 TraceCheckUtils]: 13: Hoare triple {465#(or (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (bvsle (bvadd main_~main__i~0 (_ bv2 32)) main_~main__pos~0) (= main_~main__marker~0 |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0)))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {461#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0))} is VALID [2018-11-14 17:49:49,129 INFO L273 TraceCheckUtils]: 12: Hoare triple {469#(or (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (bvsle (bvadd main_~main__i~0 (_ bv2 32)) main_~main__pos~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0)))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {465#(or (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (bvsle (bvadd main_~main__i~0 (_ bv2 32)) main_~main__pos~0) (= main_~main__marker~0 |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0)))} is VALID [2018-11-14 17:49:51,114 INFO L273 TraceCheckUtils]: 11: Hoare triple {473#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv3 32)) main_~main__pos~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= main_~main__marker~0 |main_#t~mem2|))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {469#(or (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (bvsle (bvadd main_~main__i~0 (_ bv2 32)) main_~main__pos~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0)))} is VALID [2018-11-14 17:49:51,117 INFO L273 TraceCheckUtils]: 10: Hoare triple {477#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv3 32)) main_~main__pos~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {473#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv3 32)) main_~main__pos~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= main_~main__marker~0 |main_#t~mem2|))} is VALID [2018-11-14 17:49:53,124 INFO L273 TraceCheckUtils]: 9: Hoare triple {481#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (= main_~main__marker~0 |main_#t~mem2|) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv16 32))))) (bvsle (bvadd main_~main__i~0 (_ bv4 32)) main_~main__pos~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {477#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv3 32)) main_~main__pos~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0))} is UNKNOWN [2018-11-14 17:49:53,133 INFO L273 TraceCheckUtils]: 8: Hoare triple {485#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv16 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv4 32)) main_~main__pos~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {481#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (= main_~main__marker~0 |main_#t~mem2|) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv16 32))))) (bvsle (bvadd main_~main__i~0 (_ bv4 32)) main_~main__pos~0))} is VALID [2018-11-14 17:49:53,187 INFO L273 TraceCheckUtils]: 7: Hoare triple {489#(or (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967288 32)) (_ bv0 32)) (= (_ bv0 32) (bvmul (_ bv4 32) main_~main__pos~0)) (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967284 32)) (_ bv0 32)) (bvsle (_ bv4 32) main_~main__pos~0))} assume ~bvslt32(~main__pos~0, 100000bv32);call write~intINTTYPE4(~main__marker~0, ~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__pos~0)), 4bv32);~main__i~0 := 0bv32; {485#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv16 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv4 32)) main_~main__pos~0))} is VALID [2018-11-14 17:49:53,189 INFO L273 TraceCheckUtils]: 6: Hoare triple {367#true} assume ~bvsge32(~main__pos~0, 0bv32); {489#(or (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967292 32)) (_ bv0 32)) (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967288 32)) (_ bv0 32)) (= (_ bv0 32) (bvmul (_ bv4 32) main_~main__pos~0)) (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967284 32)) (_ bv0 32)) (bvsle (_ bv4 32) main_~main__pos~0))} is VALID [2018-11-14 17:49:53,189 INFO L273 TraceCheckUtils]: 5: Hoare triple {367#true} call ~#main__a~0.base, ~#main__a~0.offset := #Ultimate.alloc(400000bv32);havoc ~main__marker~0;~main__marker~0 := #t~nondet0;havoc #t~nondet0;havoc ~main__pos~0;~main__pos~0 := #t~nondet1;havoc #t~nondet1; {367#true} is VALID [2018-11-14 17:49:53,190 INFO L256 TraceCheckUtils]: 4: Hoare triple {367#true} call #t~ret3 := main(); {367#true} is VALID [2018-11-14 17:49:53,190 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {367#true} {367#true} #29#return; {367#true} is VALID [2018-11-14 17:49:53,190 INFO L273 TraceCheckUtils]: 2: Hoare triple {367#true} assume true; {367#true} is VALID [2018-11-14 17:49:53,190 INFO L273 TraceCheckUtils]: 1: Hoare triple {367#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~__return_main~0 := 0bv32;~__return_60~0 := 0bv32; {367#true} is VALID [2018-11-14 17:49:53,191 INFO L256 TraceCheckUtils]: 0: Hoare triple {367#true} call ULTIMATE.init(); {367#true} is VALID [2018-11-14 17:49:53,193 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:49:53,195 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-14 17:49:53,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 27 [2018-11-14 17:49:53,196 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 20 [2018-11-14 17:49:53,196 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:49:53,196 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states. [2018-11-14 17:49:58,562 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 32 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2018-11-14 17:49:58,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-14 17:49:58,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-14 17:49:58,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2018-11-14 17:49:58,564 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 27 states. [2018-11-14 17:50:01,386 WARN L179 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2018-11-14 17:50:02,009 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-14 17:50:12,750 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-11-14 17:50:13,224 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-11-14 17:50:13,736 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-11-14 17:50:14,073 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-14 17:50:15,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:50:15,335 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2018-11-14 17:50:15,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-14 17:50:15,336 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 20 [2018-11-14 17:50:15,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:50:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-14 17:50:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 42 transitions. [2018-11-14 17:50:15,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-14 17:50:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 42 transitions. [2018-11-14 17:50:15,342 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 42 transitions. [2018-11-14 17:50:26,254 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 37 inductive. 0 not inductive. 5 times theorem prover too weak to decide inductivity. [2018-11-14 17:50:26,256 INFO L225 Difference]: With dead ends: 37 [2018-11-14 17:50:26,257 INFO L226 Difference]: Without dead ends: 33 [2018-11-14 17:50:26,258 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=390, Invalid=1170, Unknown=0, NotChecked=0, Total=1560 [2018-11-14 17:50:26,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-14 17:50:26,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-14 17:50:26,350 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:50:26,350 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2018-11-14 17:50:26,350 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2018-11-14 17:50:26,350 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2018-11-14 17:50:26,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:50:26,354 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-11-14 17:50:26,354 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-11-14 17:50:26,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:50:26,354 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:50:26,355 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2018-11-14 17:50:26,355 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2018-11-14 17:50:26,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:50:26,357 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-11-14 17:50:26,358 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-11-14 17:50:26,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:50:26,358 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:50:26,358 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:50:26,359 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:50:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-14 17:50:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-11-14 17:50:26,361 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 20 [2018-11-14 17:50:26,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:50:26,361 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-11-14 17:50:26,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-14 17:50:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-11-14 17:50:26,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-14 17:50:26,363 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:50:26,363 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:50:26,363 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:50:26,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:50:26,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1409602095, now seen corresponding path program 3 times [2018-11-14 17:50:26,364 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 17:50:26,365 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 17:50:26,386 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-14 17:50:27,008 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2018-11-14 17:50:27,008 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-14 17:50:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:50:27,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 17:50:27,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-14 17:50:27,119 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-14 17:50:27,121 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 17:50:27,126 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:50:27,147 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:50:27,147 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-11-14 17:50:28,849 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-11-14 17:50:29,417 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-14 17:50:29,692 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-11-14 17:50:29,984 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-11-14 17:50:30,289 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-11-14 17:50:30,634 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-11-14 17:50:30,991 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-11-14 17:50:31,243 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 75 [2018-11-14 17:50:31,340 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:50:31,346 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:50:31,349 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:50:31,367 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:50:31,370 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:50:31,372 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:50:31,374 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:50:31,377 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:50:31,379 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:50:31,382 INFO L700 Elim1Store]: detected not equals via solver [2018-11-14 17:50:31,622 INFO L303 Elim1Store]: Index analysis took 314 ms [2018-11-14 17:50:31,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 75 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 173 [2018-11-14 17:50:31,669 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-14 17:50:31,882 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-14 17:50:31,991 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-14 17:50:31,991 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:108, output treesize:152 [2018-11-14 17:50:32,006 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 17:50:32,234 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-14 17:50:32,432 INFO L256 TraceCheckUtils]: 0: Hoare triple {705#true} call ULTIMATE.init(); {705#true} is VALID [2018-11-14 17:50:32,433 INFO L273 TraceCheckUtils]: 1: Hoare triple {705#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~__return_main~0 := 0bv32;~__return_60~0 := 0bv32; {705#true} is VALID [2018-11-14 17:50:32,433 INFO L273 TraceCheckUtils]: 2: Hoare triple {705#true} assume true; {705#true} is VALID [2018-11-14 17:50:32,433 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {705#true} {705#true} #29#return; {705#true} is VALID [2018-11-14 17:50:32,434 INFO L256 TraceCheckUtils]: 4: Hoare triple {705#true} call #t~ret3 := main(); {705#true} is VALID [2018-11-14 17:50:32,435 INFO L273 TraceCheckUtils]: 5: Hoare triple {705#true} call ~#main__a~0.base, ~#main__a~0.offset := #Ultimate.alloc(400000bv32);havoc ~main__marker~0;~main__marker~0 := #t~nondet0;havoc #t~nondet0;havoc ~main__pos~0;~main__pos~0 := #t~nondet1;havoc #t~nondet1; {725#(= |main_~#main__a~0.offset| (_ bv0 32))} is VALID [2018-11-14 17:50:32,435 INFO L273 TraceCheckUtils]: 6: Hoare triple {725#(= |main_~#main__a~0.offset| (_ bv0 32))} assume ~bvsge32(~main__pos~0, 0bv32); {729#(and (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)))} is VALID [2018-11-14 17:50:32,437 INFO L273 TraceCheckUtils]: 7: Hoare triple {729#(and (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)))} assume ~bvslt32(~main__pos~0, 100000bv32);call write~intINTTYPE4(~main__marker~0, ~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__pos~0)), 4bv32);~main__i~0 := 0bv32; {733#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,438 INFO L273 TraceCheckUtils]: 8: Hoare triple {733#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {737#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,439 INFO L273 TraceCheckUtils]: 9: Hoare triple {737#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv0 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {741#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (= (_ bv1 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,440 INFO L273 TraceCheckUtils]: 10: Hoare triple {741#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (= (_ bv1 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {745#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (= (_ bv1 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,442 INFO L273 TraceCheckUtils]: 11: Hoare triple {745#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (= (_ bv1 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {749#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,444 INFO L273 TraceCheckUtils]: 12: Hoare triple {749#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {753#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,445 INFO L273 TraceCheckUtils]: 13: Hoare triple {753#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (= (_ bv2 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {757#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv3 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,446 INFO L273 TraceCheckUtils]: 14: Hoare triple {757#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv3 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {761#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv3 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,449 INFO L273 TraceCheckUtils]: 15: Hoare triple {761#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv3 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {765#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (_ bv4 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,450 INFO L273 TraceCheckUtils]: 16: Hoare triple {765#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (_ bv4 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {769#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (_ bv4 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,452 INFO L273 TraceCheckUtils]: 17: Hoare triple {769#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (_ bv4 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {773#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (_ bv5 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,455 INFO L273 TraceCheckUtils]: 18: Hoare triple {773#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (_ bv5 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {777#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (_ bv5 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,458 INFO L273 TraceCheckUtils]: 19: Hoare triple {777#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (_ bv5 32) main_~main__i~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {781#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv6 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,462 INFO L273 TraceCheckUtils]: 20: Hoare triple {781#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv6 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {785#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv6 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,465 INFO L273 TraceCheckUtils]: 21: Hoare triple {785#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv6 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {789#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv7 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,468 INFO L273 TraceCheckUtils]: 22: Hoare triple {789#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv7 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {793#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (= (_ bv7 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,471 INFO L273 TraceCheckUtils]: 23: Hoare triple {793#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (= (_ bv7 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {797#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv28 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (_ bv8 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,475 INFO L273 TraceCheckUtils]: 24: Hoare triple {797#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv28 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (_ bv8 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {801#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv28 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (= (_ bv8 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,477 INFO L273 TraceCheckUtils]: 25: Hoare triple {801#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv28 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (= (_ bv8 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {805#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv9 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv28 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv32 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,483 INFO L273 TraceCheckUtils]: 26: Hoare triple {805#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv9 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv28 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv32 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {809#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv9 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv28 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv32 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,486 INFO L273 TraceCheckUtils]: 27: Hoare triple {809#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (= (_ bv9 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv28 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv32 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {813#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv36 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv28 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv32 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (= (_ bv10 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} is VALID [2018-11-14 17:50:32,500 INFO L273 TraceCheckUtils]: 28: Hoare triple {813#(and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (= |main_~#main__a~0.offset| (_ bv0 32)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv8 32))))) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv36 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv20 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv28 32))) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv24 32))))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv32 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv16 32))) main_~main__marker~0)) (= (_ bv10 32) main_~main__i~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) |main_~#main__a~0.offset|) main_~main__marker~0)) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd |main_~#main__a~0.offset| (bvmul (_ bv4 32) main_~main__pos~0))) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {817#(or (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967292 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967288 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967272 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967260 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967268 32)) (_ bv0 32))) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (bvmul (_ bv4 32) main_~main__i~0))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967280 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967276 32)) (_ bv0 32))) (= (_ bv10 32) main_~main__i~0) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967264 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967284 32)) (_ bv0 32)))) (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967292 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967288 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967272 32)) (_ bv0 32))) (= main_~main__marker~0 |main_#t~mem2|) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967260 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967268 32)) (_ bv0 32))) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967280 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967276 32)) (_ bv0 32))) (= (_ bv10 32) main_~main__i~0) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967264 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967284 32)) (_ bv0 32)))))} is VALID [2018-11-14 17:50:32,504 INFO L273 TraceCheckUtils]: 29: Hoare triple {817#(or (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967292 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967288 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967272 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967260 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967268 32)) (_ bv0 32))) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (bvmul (_ bv4 32) main_~main__i~0))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967280 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967276 32)) (_ bv0 32))) (= (_ bv10 32) main_~main__i~0) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967264 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967284 32)) (_ bv0 32)))) (and (bvslt main_~main__pos~0 (_ bv100000 32)) (bvsge main_~main__pos~0 (_ bv0 32)) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967292 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967288 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967272 32)) (_ bv0 32))) (= main_~main__marker~0 |main_#t~mem2|) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967260 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967268 32)) (_ bv0 32))) (not (= (bvmul (_ bv4 32) main_~main__pos~0) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967280 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967276 32)) (_ bv0 32))) (= (_ bv10 32) main_~main__i~0) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967264 32)) (_ bv0 32))) (not (= (bvadd (bvmul (_ bv4 32) main_~main__pos~0) (_ bv4294967284 32)) (_ bv0 32)))))} assume !(#t~mem2 != ~main__marker~0);havoc #t~mem2;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvsle32(~main__i~0, ~main__pos~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {821#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 17:50:32,505 INFO L273 TraceCheckUtils]: 30: Hoare triple {821#(= (bvadd main_~__VERIFIER_assert__cond~0 (_ bv4294967295 32)) (_ bv0 32))} assume ~__VERIFIER_assert__cond~0 == 0bv32; {706#false} is VALID [2018-11-14 17:50:32,505 INFO L273 TraceCheckUtils]: 31: Hoare triple {706#false} assume !false; {706#false} is VALID [2018-11-14 17:50:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:50:32,521 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-14 17:50:46,748 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-11-14 17:50:49,473 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-11-14 17:50:49,993 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-11-14 17:50:52,569 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-14 17:50:53,112 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-11-14 17:50:55,785 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-11-14 17:50:56,534 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-11-14 17:50:59,283 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-11-14 17:51:00,060 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-11-14 17:51:00,167 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 17:51:00,347 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-14 17:51:00,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 264 [2018-11-14 17:51:03,122 WARN L179 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 170 DAG size of output: 80 [2018-11-14 17:51:03,156 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,157 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,157 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,159 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,160 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,161 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,161 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,162 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,162 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,162 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,163 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,164 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,165 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,166 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,167 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,167 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,167 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,168 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,168 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,169 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,169 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,170 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,171 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,171 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,172 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,172 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,173 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,174 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,174 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,175 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,176 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,178 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,179 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,180 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,180 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,180 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,181 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,181 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,182 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,182 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,183 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,183 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,184 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,185 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,514 INFO L303 Elim1Store]: Index analysis took 367 ms [2018-11-14 17:51:03,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 336 [2018-11-14 17:51:03,531 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-14 17:51:03,612 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,623 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,624 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,628 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,628 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,628 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,629 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,629 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,630 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,647 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,656 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,670 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,672 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,672 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,674 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,674 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,674 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,675 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,676 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,676 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,677 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,678 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,678 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,679 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,679 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,680 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,681 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,681 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,682 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,682 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,683 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,684 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,688 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,688 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,689 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,689 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,690 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,690 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,690 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,691 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,691 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,692 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,693 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,693 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:03,694 INFO L682 Elim1Store]: detected equality via solver [2018-11-14 17:51:04,082 INFO L303 Elim1Store]: Index analysis took 500 ms [2018-11-14 17:51:04,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 65 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 396 [2018-11-14 17:51:04,104 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-14 17:51:04,261 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:51:04,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 17:51:04,293 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:178, output treesize:70 [2018-11-14 17:51:04,352 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 17:51:04,812 INFO L273 TraceCheckUtils]: 31: Hoare triple {706#false} assume !false; {706#false} is VALID [2018-11-14 17:51:04,813 INFO L273 TraceCheckUtils]: 30: Hoare triple {831#(not (= main_~__VERIFIER_assert__cond~0 (_ bv0 32)))} assume ~__VERIFIER_assert__cond~0 == 0bv32; {706#false} is VALID [2018-11-14 17:51:04,814 INFO L273 TraceCheckUtils]: 29: Hoare triple {835#(or (not (= main_~main__marker~0 |main_#t~mem2|)) (bvsle main_~main__i~0 main_~main__pos~0))} assume !(#t~mem2 != ~main__marker~0);havoc #t~mem2;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~bvsle32(~main__i~0, ~main__pos~0) then 1bv32 else 0bv32);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {831#(not (= main_~__VERIFIER_assert__cond~0 (_ bv0 32)))} is VALID [2018-11-14 17:51:04,815 INFO L273 TraceCheckUtils]: 28: Hoare triple {839#(or (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0)) (bvsle main_~main__i~0 main_~main__pos~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {835#(or (not (= main_~main__marker~0 |main_#t~mem2|)) (bvsle main_~main__i~0 main_~main__pos~0))} is VALID [2018-11-14 17:51:05,041 INFO L273 TraceCheckUtils]: 27: Hoare triple {843#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= main_~main__marker~0 |main_#t~mem2|))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {839#(or (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0)) (bvsle main_~main__i~0 main_~main__pos~0))} is VALID [2018-11-14 17:51:05,042 INFO L273 TraceCheckUtils]: 26: Hoare triple {847#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {843#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= main_~main__marker~0 |main_#t~mem2|))} is VALID [2018-11-14 17:51:05,984 INFO L273 TraceCheckUtils]: 25: Hoare triple {851#(or (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (bvsle (bvadd main_~main__i~0 (_ bv2 32)) main_~main__pos~0) (= main_~main__marker~0 |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0)))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {847#(or (bvsle (bvadd main_~main__i~0 (_ bv1 32)) main_~main__pos~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0))} is VALID [2018-11-14 17:51:05,987 INFO L273 TraceCheckUtils]: 24: Hoare triple {855#(or (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (bvsle (bvadd main_~main__i~0 (_ bv2 32)) main_~main__pos~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0)))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {851#(or (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (bvsle (bvadd main_~main__i~0 (_ bv2 32)) main_~main__pos~0) (= main_~main__marker~0 |main_#t~mem2|) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0)))} is VALID [2018-11-14 17:51:07,697 INFO L273 TraceCheckUtils]: 23: Hoare triple {859#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv3 32)) main_~main__pos~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= main_~main__marker~0 |main_#t~mem2|))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {855#(or (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (bvsle (bvadd main_~main__i~0 (_ bv2 32)) main_~main__pos~0) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0)))} is VALID [2018-11-14 17:51:07,713 INFO L273 TraceCheckUtils]: 22: Hoare triple {863#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv3 32)) main_~main__pos~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {859#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv3 32)) main_~main__pos~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= main_~main__marker~0 |main_#t~mem2|))} is VALID [2018-11-14 17:51:09,718 INFO L273 TraceCheckUtils]: 21: Hoare triple {867#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (= main_~main__marker~0 |main_#t~mem2|) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv16 32))))) (bvsle (bvadd main_~main__i~0 (_ bv4 32)) main_~main__pos~0))} assume #t~mem2 != ~main__marker~0;havoc #t~mem2;~main__i~0 := ~bvadd32(1bv32, ~main__i~0); {863#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv3 32)) main_~main__pos~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (not (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0)) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0))} is UNKNOWN [2018-11-14 17:51:09,719 INFO L273 TraceCheckUtils]: 20: Hoare triple {871#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv16 32))))) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset|)) main_~main__marker~0) (bvsle (bvadd main_~main__i~0 (_ bv4 32)) main_~main__pos~0))} call #t~mem2 := read~intINTTYPE4(~#main__a~0.base, ~bvadd32(~#main__a~0.offset, ~bvmul32(4bv32, ~main__i~0)), 4bv32); {867#(or (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv8 32))) main_~main__marker~0) (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv4 32)))) (= main_~main__marker~0 |main_#t~mem2|) (= (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv12 32))) main_~main__marker~0) (not (= main_~main__marker~0 (select (select |#memory_int| |main_~#main__a~0.base|) (bvadd (bvmul (_ bv4 32) main_~main__i~0) |main_~#main__a~0.offset| (_ bv16 32))))) (bvsle (bvadd main_~main__i~0 (_ bv4 32)) main_~main__pos~0))} is VALID