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_Default.epf -i ../../../trunk/examples/svcomp/array-tiling/nr4_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 23:10:44,146 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 23:10:44,148 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 23:10:44,161 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 23:10:44,161 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 23:10:44,162 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 23:10:44,164 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 23:10:44,165 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 23:10:44,167 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 23:10:44,168 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 23:10:44,170 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 23:10:44,170 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 23:10:44,171 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 23:10:44,174 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 23:10:44,178 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 23:10:44,179 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 23:10:44,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 23:10:44,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 23:10:44,191 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 23:10:44,192 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 23:10:44,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 23:10:44,195 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 23:10:44,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-18 23:10:44,203 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 23:10:44,203 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 23:10:44,204 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 23:10:44,204 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 23:10:44,205 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 23:10:44,228 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 23:10:44,228 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 23:10:44,229 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 23:10:44,231 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 23:10:44,231 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 23:10:44,232 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 23:10:44,232 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 23:10:44,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 23:10:44,232 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 23:10:44,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 23:10:44,233 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 23:10:44,234 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 23:10:44,234 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 23:10:44,234 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 23:10:44,234 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 23:10:44,234 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 23:10:44,235 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 23:10:44,235 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 23:10:44,235 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 23:10:44,235 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 23:10:44,235 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 23:10:44,237 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 23:10:44,237 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 23:10:44,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 23:10:44,237 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 23:10:44,237 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 23:10:44,238 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 23:10:44,238 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 23:10:44,238 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 23:10:44,238 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 23:10:44,238 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 23:10:44,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 23:10:44,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 23:10:44,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 23:10:44,323 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 23:10:44,323 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 23:10:44,324 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/nr4_true-unreach-call.i [2018-11-18 23:10:44,397 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5bb331ae/e6ae5424470141c28858e2eaf24c646a/FLAG622ec698e [2018-11-18 23:10:44,885 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 23:10:44,886 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/nr4_true-unreach-call.i [2018-11-18 23:10:44,892 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5bb331ae/e6ae5424470141c28858e2eaf24c646a/FLAG622ec698e [2018-11-18 23:10:45,252 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5bb331ae/e6ae5424470141c28858e2eaf24c646a [2018-11-18 23:10:45,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 23:10:45,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 23:10:45,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 23:10:45,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 23:10:45,268 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 23:10:45,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:10:45" (1/1) ... [2018-11-18 23:10:45,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48222046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45, skipping insertion in model container [2018-11-18 23:10:45,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:10:45" (1/1) ... [2018-11-18 23:10:45,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 23:10:45,314 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 23:10:45,519 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:10:45,524 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 23:10:45,566 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:10:45,596 INFO L195 MainTranslator]: Completed translation [2018-11-18 23:10:45,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45 WrapperNode [2018-11-18 23:10:45,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 23:10:45,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 23:10:45,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 23:10:45,599 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 23:10:45,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45" (1/1) ... [2018-11-18 23:10:45,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45" (1/1) ... [2018-11-18 23:10:45,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45" (1/1) ... [2018-11-18 23:10:45,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45" (1/1) ... [2018-11-18 23:10:45,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45" (1/1) ... [2018-11-18 23:10:45,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45" (1/1) ... [2018-11-18 23:10:45,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45" (1/1) ... [2018-11-18 23:10:45,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 23:10:45,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 23:10:45,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 23:10:45,657 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 23:10:45,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45" (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 [2018-11-18 23:10:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 23:10:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 23:10:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 23:10:45,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 23:10:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 23:10:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 23:10:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 23:10:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 23:10:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 23:10:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 23:10:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 23:10:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 23:10:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 23:10:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 23:10:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 23:10:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 23:10:46,511 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 23:10:46,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:46 BoogieIcfgContainer [2018-11-18 23:10:46,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 23:10:46,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 23:10:46,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 23:10:46,520 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 23:10:46,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:10:45" (1/3) ... [2018-11-18 23:10:46,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4847ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:10:46, skipping insertion in model container [2018-11-18 23:10:46,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:10:45" (2/3) ... [2018-11-18 23:10:46,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4847ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:10:46, skipping insertion in model container [2018-11-18 23:10:46,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:10:46" (3/3) ... [2018-11-18 23:10:46,525 INFO L112 eAbstractionObserver]: Analyzing ICFG nr4_true-unreach-call.i [2018-11-18 23:10:46,538 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 23:10:46,550 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 23:10:46,565 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 23:10:46,599 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 23:10:46,600 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 23:10:46,600 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 23:10:46,600 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 23:10:46,601 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 23:10:46,601 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 23:10:46,601 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 23:10:46,602 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 23:10:46,602 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 23:10:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-11-18 23:10:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 23:10:46,636 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:10:46,637 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:10:46,639 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:10:46,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:10:46,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1065126958, now seen corresponding path program 1 times [2018-11-18 23:10:46,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:10:46,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:10:46,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:46,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:10:46,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:46,827 INFO L256 TraceCheckUtils]: 0: Hoare triple {37#true} call ULTIMATE.init(); {37#true} is VALID [2018-11-18 23:10:46,831 INFO L273 TraceCheckUtils]: 1: Hoare triple {37#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {37#true} is VALID [2018-11-18 23:10:46,831 INFO L273 TraceCheckUtils]: 2: Hoare triple {37#true} assume true; {37#true} is VALID [2018-11-18 23:10:46,832 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {37#true} {37#true} #86#return; {37#true} is VALID [2018-11-18 23:10:46,832 INFO L256 TraceCheckUtils]: 4: Hoare triple {37#true} call #t~ret8 := main(); {37#true} is VALID [2018-11-18 23:10:46,833 INFO L273 TraceCheckUtils]: 5: Hoare triple {37#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {37#true} is VALID [2018-11-18 23:10:46,833 INFO L273 TraceCheckUtils]: 6: Hoare triple {37#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {37#true} is VALID [2018-11-18 23:10:46,833 INFO L273 TraceCheckUtils]: 7: Hoare triple {37#true} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {37#true} is VALID [2018-11-18 23:10:46,834 INFO L273 TraceCheckUtils]: 8: Hoare triple {37#true} assume !true; {38#false} is VALID [2018-11-18 23:10:46,834 INFO L273 TraceCheckUtils]: 9: Hoare triple {38#false} ~i~0 := 0; {38#false} is VALID [2018-11-18 23:10:46,835 INFO L273 TraceCheckUtils]: 10: Hoare triple {38#false} assume true; {38#false} is VALID [2018-11-18 23:10:46,835 INFO L273 TraceCheckUtils]: 11: Hoare triple {38#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {38#false} is VALID [2018-11-18 23:10:46,835 INFO L273 TraceCheckUtils]: 12: Hoare triple {38#false} assume #t~short7; {38#false} is VALID [2018-11-18 23:10:46,835 INFO L256 TraceCheckUtils]: 13: Hoare triple {38#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {38#false} is VALID [2018-11-18 23:10:46,837 INFO L273 TraceCheckUtils]: 14: Hoare triple {38#false} ~cond := #in~cond; {38#false} is VALID [2018-11-18 23:10:46,837 INFO L273 TraceCheckUtils]: 15: Hoare triple {38#false} assume 0 == ~cond; {38#false} is VALID [2018-11-18 23:10:46,838 INFO L273 TraceCheckUtils]: 16: Hoare triple {38#false} assume !false; {38#false} is VALID [2018-11-18 23:10:46,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:46,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:10:46,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 23:10:46,851 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-18 23:10:46,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:10:46,860 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-18 23:10:46,999 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:47,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 23:10:47,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 23:10:47,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 23:10:47,014 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2018-11-18 23:10:47,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:47,239 INFO L93 Difference]: Finished difference Result 60 states and 79 transitions. [2018-11-18 23:10:47,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 23:10:47,239 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-18 23:10:47,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:10:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 23:10:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 79 transitions. [2018-11-18 23:10:47,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 23:10:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 79 transitions. [2018-11-18 23:10:47,262 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 79 transitions. [2018-11-18 23:10:47,532 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:47,545 INFO L225 Difference]: With dead ends: 60 [2018-11-18 23:10:47,546 INFO L226 Difference]: Without dead ends: 28 [2018-11-18 23:10:47,551 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 23:10:47,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-18 23:10:47,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-18 23:10:47,602 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:10:47,603 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand 28 states. [2018-11-18 23:10:47,603 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2018-11-18 23:10:47,604 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2018-11-18 23:10:47,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:47,609 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2018-11-18 23:10:47,609 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-11-18 23:10:47,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:47,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:47,610 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 28 states. [2018-11-18 23:10:47,610 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 28 states. [2018-11-18 23:10:47,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:47,615 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2018-11-18 23:10:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-11-18 23:10:47,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:47,616 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:47,616 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:10:47,616 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:10:47,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 23:10:47,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2018-11-18 23:10:47,627 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2018-11-18 23:10:47,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:10:47,627 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2018-11-18 23:10:47,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 23:10:47,628 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-11-18 23:10:47,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 23:10:47,629 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:10:47,630 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:10:47,631 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:10:47,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:10:47,632 INFO L82 PathProgramCache]: Analyzing trace with hash -832945488, now seen corresponding path program 1 times [2018-11-18 23:10:47,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:10:47,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:10:47,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:47,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:10:47,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:47,908 INFO L256 TraceCheckUtils]: 0: Hoare triple {208#true} call ULTIMATE.init(); {208#true} is VALID [2018-11-18 23:10:47,909 INFO L273 TraceCheckUtils]: 1: Hoare triple {208#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {208#true} is VALID [2018-11-18 23:10:47,909 INFO L273 TraceCheckUtils]: 2: Hoare triple {208#true} assume true; {208#true} is VALID [2018-11-18 23:10:47,910 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {208#true} {208#true} #86#return; {208#true} is VALID [2018-11-18 23:10:47,910 INFO L256 TraceCheckUtils]: 4: Hoare triple {208#true} call #t~ret8 := main(); {208#true} is VALID [2018-11-18 23:10:47,911 INFO L273 TraceCheckUtils]: 5: Hoare triple {208#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {208#true} is VALID [2018-11-18 23:10:47,911 INFO L273 TraceCheckUtils]: 6: Hoare triple {208#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {208#true} is VALID [2018-11-18 23:10:47,911 INFO L273 TraceCheckUtils]: 7: Hoare triple {208#true} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {208#true} is VALID [2018-11-18 23:10:47,912 INFO L273 TraceCheckUtils]: 8: Hoare triple {208#true} assume true; {208#true} is VALID [2018-11-18 23:10:47,912 INFO L273 TraceCheckUtils]: 9: Hoare triple {208#true} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {208#true} is VALID [2018-11-18 23:10:47,913 INFO L273 TraceCheckUtils]: 10: Hoare triple {208#true} ~i~0 := 0; {208#true} is VALID [2018-11-18 23:10:47,913 INFO L273 TraceCheckUtils]: 11: Hoare triple {208#true} assume true; {208#true} is VALID [2018-11-18 23:10:47,913 INFO L273 TraceCheckUtils]: 12: Hoare triple {208#true} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {208#true} is VALID [2018-11-18 23:10:47,927 INFO L273 TraceCheckUtils]: 13: Hoare triple {208#true} assume #t~short7; {210#|main_#t~short7|} is VALID [2018-11-18 23:10:47,943 INFO L256 TraceCheckUtils]: 14: Hoare triple {210#|main_#t~short7|} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {211#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2018-11-18 23:10:47,947 INFO L273 TraceCheckUtils]: 15: Hoare triple {211#(not (= |__VERIFIER_assert_#in~cond| 0))} ~cond := #in~cond; {212#(not (= __VERIFIER_assert_~cond 0))} is VALID [2018-11-18 23:10:47,950 INFO L273 TraceCheckUtils]: 16: Hoare triple {212#(not (= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {209#false} is VALID [2018-11-18 23:10:47,950 INFO L273 TraceCheckUtils]: 17: Hoare triple {209#false} assume !false; {209#false} is VALID [2018-11-18 23:10:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:47,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:10:47,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 23:10:47,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-18 23:10:47,955 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:10:47,955 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 23:10:47,988 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:47,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 23:10:47,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 23:10:47,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 23:10:47,990 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2018-11-18 23:10:48,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:48,714 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2018-11-18 23:10:48,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 23:10:48,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-18 23:10:48,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:10:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 23:10:48,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 40 transitions. [2018-11-18 23:10:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 23:10:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 40 transitions. [2018-11-18 23:10:48,725 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 40 transitions. [2018-11-18 23:10:48,849 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:48,852 INFO L225 Difference]: With dead ends: 36 [2018-11-18 23:10:48,852 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 23:10:48,853 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 23:10:48,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 23:10:48,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-11-18 23:10:48,878 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:10:48,878 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 33 states. [2018-11-18 23:10:48,878 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 33 states. [2018-11-18 23:10:48,879 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 33 states. [2018-11-18 23:10:48,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:48,882 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2018-11-18 23:10:48,882 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-11-18 23:10:48,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:48,883 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:48,883 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 34 states. [2018-11-18 23:10:48,884 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 34 states. [2018-11-18 23:10:48,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:48,887 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2018-11-18 23:10:48,887 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-11-18 23:10:48,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:48,888 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:48,888 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:10:48,888 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:10:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 23:10:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2018-11-18 23:10:48,891 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 18 [2018-11-18 23:10:48,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:10:48,892 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2018-11-18 23:10:48,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 23:10:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2018-11-18 23:10:48,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 23:10:48,893 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:10:48,893 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:10:48,893 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:10:48,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:10:48,894 INFO L82 PathProgramCache]: Analyzing trace with hash -831098446, now seen corresponding path program 1 times [2018-11-18 23:10:48,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:10:48,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:10:48,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:48,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:10:48,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:49,078 INFO L256 TraceCheckUtils]: 0: Hoare triple {376#true} call ULTIMATE.init(); {376#true} is VALID [2018-11-18 23:10:49,078 INFO L273 TraceCheckUtils]: 1: Hoare triple {376#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {376#true} is VALID [2018-11-18 23:10:49,079 INFO L273 TraceCheckUtils]: 2: Hoare triple {376#true} assume true; {376#true} is VALID [2018-11-18 23:10:49,079 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {376#true} {376#true} #86#return; {376#true} is VALID [2018-11-18 23:10:49,079 INFO L256 TraceCheckUtils]: 4: Hoare triple {376#true} call #t~ret8 := main(); {376#true} is VALID [2018-11-18 23:10:49,080 INFO L273 TraceCheckUtils]: 5: Hoare triple {376#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {376#true} is VALID [2018-11-18 23:10:49,081 INFO L273 TraceCheckUtils]: 6: Hoare triple {376#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {378#(<= 2 ~CELLCOUNT~0)} is VALID [2018-11-18 23:10:49,082 INFO L273 TraceCheckUtils]: 7: Hoare triple {378#(<= 2 ~CELLCOUNT~0)} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {379#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (= main_~i~0 1))} is VALID [2018-11-18 23:10:49,082 INFO L273 TraceCheckUtils]: 8: Hoare triple {379#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (= main_~i~0 1))} assume true; {379#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (= main_~i~0 1))} is VALID [2018-11-18 23:10:49,084 INFO L273 TraceCheckUtils]: 9: Hoare triple {379#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (= main_~i~0 1))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {377#false} is VALID [2018-11-18 23:10:49,084 INFO L273 TraceCheckUtils]: 10: Hoare triple {377#false} ~i~0 := 0; {377#false} is VALID [2018-11-18 23:10:49,085 INFO L273 TraceCheckUtils]: 11: Hoare triple {377#false} assume true; {377#false} is VALID [2018-11-18 23:10:49,085 INFO L273 TraceCheckUtils]: 12: Hoare triple {377#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {377#false} is VALID [2018-11-18 23:10:49,085 INFO L273 TraceCheckUtils]: 13: Hoare triple {377#false} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {377#false} is VALID [2018-11-18 23:10:49,086 INFO L256 TraceCheckUtils]: 14: Hoare triple {377#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {377#false} is VALID [2018-11-18 23:10:49,086 INFO L273 TraceCheckUtils]: 15: Hoare triple {377#false} ~cond := #in~cond; {377#false} is VALID [2018-11-18 23:10:49,088 INFO L273 TraceCheckUtils]: 16: Hoare triple {377#false} assume 0 == ~cond; {377#false} is VALID [2018-11-18 23:10:49,088 INFO L273 TraceCheckUtils]: 17: Hoare triple {377#false} assume !false; {377#false} is VALID [2018-11-18 23:10:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:49,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:10:49,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 23:10:49,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-18 23:10:49,091 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:10:49,091 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-18 23:10:49,152 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:49,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 23:10:49,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 23:10:49,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 23:10:49,154 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 4 states. [2018-11-18 23:10:49,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:49,424 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2018-11-18 23:10:49,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 23:10:49,424 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-18 23:10:49,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:10:49,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 23:10:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 56 transitions. [2018-11-18 23:10:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 23:10:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 56 transitions. [2018-11-18 23:10:49,432 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 56 transitions. [2018-11-18 23:10:49,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:49,560 INFO L225 Difference]: With dead ends: 58 [2018-11-18 23:10:49,561 INFO L226 Difference]: Without dead ends: 40 [2018-11-18 23:10:49,562 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 23:10:49,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-18 23:10:49,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2018-11-18 23:10:49,615 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:10:49,615 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 35 states. [2018-11-18 23:10:49,615 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 35 states. [2018-11-18 23:10:49,615 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 35 states. [2018-11-18 23:10:49,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:49,619 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2018-11-18 23:10:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-11-18 23:10:49,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:49,620 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:49,620 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 40 states. [2018-11-18 23:10:49,621 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 40 states. [2018-11-18 23:10:49,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:49,624 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2018-11-18 23:10:49,624 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-11-18 23:10:49,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:49,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:49,625 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:10:49,625 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:10:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-18 23:10:49,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2018-11-18 23:10:49,629 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 18 [2018-11-18 23:10:49,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:10:49,630 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2018-11-18 23:10:49,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 23:10:49,630 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-11-18 23:10:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 23:10:49,631 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:10:49,631 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:10:49,632 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:10:49,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:10:49,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1996039917, now seen corresponding path program 1 times [2018-11-18 23:10:49,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:10:49,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:10:49,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:49,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:10:49,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:49,710 INFO L256 TraceCheckUtils]: 0: Hoare triple {585#true} call ULTIMATE.init(); {585#true} is VALID [2018-11-18 23:10:49,711 INFO L273 TraceCheckUtils]: 1: Hoare triple {585#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {585#true} is VALID [2018-11-18 23:10:49,711 INFO L273 TraceCheckUtils]: 2: Hoare triple {585#true} assume true; {585#true} is VALID [2018-11-18 23:10:49,711 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {585#true} {585#true} #86#return; {585#true} is VALID [2018-11-18 23:10:49,712 INFO L256 TraceCheckUtils]: 4: Hoare triple {585#true} call #t~ret8 := main(); {585#true} is VALID [2018-11-18 23:10:49,712 INFO L273 TraceCheckUtils]: 5: Hoare triple {585#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {585#true} is VALID [2018-11-18 23:10:49,713 INFO L273 TraceCheckUtils]: 6: Hoare triple {585#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {585#true} is VALID [2018-11-18 23:10:49,713 INFO L273 TraceCheckUtils]: 7: Hoare triple {585#true} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {585#true} is VALID [2018-11-18 23:10:49,714 INFO L273 TraceCheckUtils]: 8: Hoare triple {585#true} assume true; {585#true} is VALID [2018-11-18 23:10:49,716 INFO L273 TraceCheckUtils]: 9: Hoare triple {585#true} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {587#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:49,721 INFO L273 TraceCheckUtils]: 10: Hoare triple {587#(<= 4 main_~j~0)} assume true; {587#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:49,722 INFO L273 TraceCheckUtils]: 11: Hoare triple {587#(<= 4 main_~j~0)} assume !(~j~0 >= 1); {586#false} is VALID [2018-11-18 23:10:49,722 INFO L273 TraceCheckUtils]: 12: Hoare triple {586#false} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {586#false} is VALID [2018-11-18 23:10:49,722 INFO L273 TraceCheckUtils]: 13: Hoare triple {586#false} assume true; {586#false} is VALID [2018-11-18 23:10:49,722 INFO L273 TraceCheckUtils]: 14: Hoare triple {586#false} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {586#false} is VALID [2018-11-18 23:10:49,723 INFO L273 TraceCheckUtils]: 15: Hoare triple {586#false} ~i~0 := 0; {586#false} is VALID [2018-11-18 23:10:49,723 INFO L273 TraceCheckUtils]: 16: Hoare triple {586#false} assume true; {586#false} is VALID [2018-11-18 23:10:49,723 INFO L273 TraceCheckUtils]: 17: Hoare triple {586#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {586#false} is VALID [2018-11-18 23:10:49,723 INFO L273 TraceCheckUtils]: 18: Hoare triple {586#false} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {586#false} is VALID [2018-11-18 23:10:49,724 INFO L256 TraceCheckUtils]: 19: Hoare triple {586#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {586#false} is VALID [2018-11-18 23:10:49,724 INFO L273 TraceCheckUtils]: 20: Hoare triple {586#false} ~cond := #in~cond; {586#false} is VALID [2018-11-18 23:10:49,724 INFO L273 TraceCheckUtils]: 21: Hoare triple {586#false} assume 0 == ~cond; {586#false} is VALID [2018-11-18 23:10:49,724 INFO L273 TraceCheckUtils]: 22: Hoare triple {586#false} assume !false; {586#false} is VALID [2018-11-18 23:10:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:49,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:10:49,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 23:10:49,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-11-18 23:10:49,727 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:10:49,727 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 23:10:49,806 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:49,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 23:10:49,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 23:10:49,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 23:10:49,808 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 3 states. [2018-11-18 23:10:49,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:49,932 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2018-11-18 23:10:49,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 23:10:49,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-11-18 23:10:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:10:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 23:10:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2018-11-18 23:10:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 23:10:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2018-11-18 23:10:49,941 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 62 transitions. [2018-11-18 23:10:50,044 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:50,046 INFO L225 Difference]: With dead ends: 64 [2018-11-18 23:10:50,046 INFO L226 Difference]: Without dead ends: 39 [2018-11-18 23:10:50,047 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 23:10:50,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-18 23:10:50,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2018-11-18 23:10:50,110 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:10:50,110 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 37 states. [2018-11-18 23:10:50,110 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 37 states. [2018-11-18 23:10:50,110 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 37 states. [2018-11-18 23:10:50,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:50,113 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2018-11-18 23:10:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-11-18 23:10:50,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:50,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:50,114 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 39 states. [2018-11-18 23:10:50,114 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 39 states. [2018-11-18 23:10:50,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:50,117 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2018-11-18 23:10:50,117 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-11-18 23:10:50,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:50,118 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:50,118 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:10:50,118 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:10:50,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 23:10:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-18 23:10:50,121 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 23 [2018-11-18 23:10:50,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:10:50,121 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-18 23:10:50,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 23:10:50,122 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-18 23:10:50,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 23:10:50,123 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:10:50,123 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:10:50,123 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:10:50,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:10:50,124 INFO L82 PathProgramCache]: Analyzing trace with hash -995813500, now seen corresponding path program 1 times [2018-11-18 23:10:50,124 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:10:50,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:10:50,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:50,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:10:50,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:50,268 INFO L256 TraceCheckUtils]: 0: Hoare triple {802#true} call ULTIMATE.init(); {802#true} is VALID [2018-11-18 23:10:50,268 INFO L273 TraceCheckUtils]: 1: Hoare triple {802#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {802#true} is VALID [2018-11-18 23:10:50,269 INFO L273 TraceCheckUtils]: 2: Hoare triple {802#true} assume true; {802#true} is VALID [2018-11-18 23:10:50,269 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {802#true} {802#true} #86#return; {802#true} is VALID [2018-11-18 23:10:50,269 INFO L256 TraceCheckUtils]: 4: Hoare triple {802#true} call #t~ret8 := main(); {802#true} is VALID [2018-11-18 23:10:50,270 INFO L273 TraceCheckUtils]: 5: Hoare triple {802#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {802#true} is VALID [2018-11-18 23:10:50,270 INFO L273 TraceCheckUtils]: 6: Hoare triple {802#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {802#true} is VALID [2018-11-18 23:10:50,270 INFO L273 TraceCheckUtils]: 7: Hoare triple {802#true} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {802#true} is VALID [2018-11-18 23:10:50,271 INFO L273 TraceCheckUtils]: 8: Hoare triple {802#true} assume true; {802#true} is VALID [2018-11-18 23:10:50,272 INFO L273 TraceCheckUtils]: 9: Hoare triple {802#true} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {804#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:50,273 INFO L273 TraceCheckUtils]: 10: Hoare triple {804#(<= 4 main_~j~0)} assume true; {804#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:50,276 INFO L273 TraceCheckUtils]: 11: Hoare triple {804#(<= 4 main_~j~0)} assume !!(~j~0 >= 1); {804#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:50,276 INFO L273 TraceCheckUtils]: 12: Hoare triple {804#(<= 4 main_~j~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {804#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:50,277 INFO L273 TraceCheckUtils]: 13: Hoare triple {804#(<= 4 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {805#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:50,283 INFO L273 TraceCheckUtils]: 14: Hoare triple {805#(<= 3 main_~j~0)} assume true; {805#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:50,284 INFO L273 TraceCheckUtils]: 15: Hoare triple {805#(<= 3 main_~j~0)} assume !(~j~0 >= 1); {803#false} is VALID [2018-11-18 23:10:50,284 INFO L273 TraceCheckUtils]: 16: Hoare triple {803#false} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {803#false} is VALID [2018-11-18 23:10:50,284 INFO L273 TraceCheckUtils]: 17: Hoare triple {803#false} assume true; {803#false} is VALID [2018-11-18 23:10:50,285 INFO L273 TraceCheckUtils]: 18: Hoare triple {803#false} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {803#false} is VALID [2018-11-18 23:10:50,285 INFO L273 TraceCheckUtils]: 19: Hoare triple {803#false} ~i~0 := 0; {803#false} is VALID [2018-11-18 23:10:50,285 INFO L273 TraceCheckUtils]: 20: Hoare triple {803#false} assume true; {803#false} is VALID [2018-11-18 23:10:50,286 INFO L273 TraceCheckUtils]: 21: Hoare triple {803#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {803#false} is VALID [2018-11-18 23:10:50,286 INFO L273 TraceCheckUtils]: 22: Hoare triple {803#false} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {803#false} is VALID [2018-11-18 23:10:50,286 INFO L256 TraceCheckUtils]: 23: Hoare triple {803#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {803#false} is VALID [2018-11-18 23:10:50,287 INFO L273 TraceCheckUtils]: 24: Hoare triple {803#false} ~cond := #in~cond; {803#false} is VALID [2018-11-18 23:10:50,287 INFO L273 TraceCheckUtils]: 25: Hoare triple {803#false} assume 0 == ~cond; {803#false} is VALID [2018-11-18 23:10:50,287 INFO L273 TraceCheckUtils]: 26: Hoare triple {803#false} assume !false; {803#false} is VALID [2018-11-18 23:10:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:50,289 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 23:10:50,289 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 23:10:50,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:10:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:50,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 23:10:50,590 INFO L256 TraceCheckUtils]: 0: Hoare triple {802#true} call ULTIMATE.init(); {802#true} is VALID [2018-11-18 23:10:50,591 INFO L273 TraceCheckUtils]: 1: Hoare triple {802#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {802#true} is VALID [2018-11-18 23:10:50,591 INFO L273 TraceCheckUtils]: 2: Hoare triple {802#true} assume true; {802#true} is VALID [2018-11-18 23:10:50,591 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {802#true} {802#true} #86#return; {802#true} is VALID [2018-11-18 23:10:50,592 INFO L256 TraceCheckUtils]: 4: Hoare triple {802#true} call #t~ret8 := main(); {802#true} is VALID [2018-11-18 23:10:50,592 INFO L273 TraceCheckUtils]: 5: Hoare triple {802#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {802#true} is VALID [2018-11-18 23:10:50,592 INFO L273 TraceCheckUtils]: 6: Hoare triple {802#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {802#true} is VALID [2018-11-18 23:10:50,593 INFO L273 TraceCheckUtils]: 7: Hoare triple {802#true} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {802#true} is VALID [2018-11-18 23:10:50,593 INFO L273 TraceCheckUtils]: 8: Hoare triple {802#true} assume true; {802#true} is VALID [2018-11-18 23:10:50,604 INFO L273 TraceCheckUtils]: 9: Hoare triple {802#true} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {804#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:50,623 INFO L273 TraceCheckUtils]: 10: Hoare triple {804#(<= 4 main_~j~0)} assume true; {804#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:50,632 INFO L273 TraceCheckUtils]: 11: Hoare triple {804#(<= 4 main_~j~0)} assume !!(~j~0 >= 1); {804#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:50,645 INFO L273 TraceCheckUtils]: 12: Hoare triple {804#(<= 4 main_~j~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {804#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:50,651 INFO L273 TraceCheckUtils]: 13: Hoare triple {804#(<= 4 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {805#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:50,652 INFO L273 TraceCheckUtils]: 14: Hoare triple {805#(<= 3 main_~j~0)} assume true; {805#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:50,653 INFO L273 TraceCheckUtils]: 15: Hoare triple {805#(<= 3 main_~j~0)} assume !(~j~0 >= 1); {803#false} is VALID [2018-11-18 23:10:50,653 INFO L273 TraceCheckUtils]: 16: Hoare triple {803#false} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {803#false} is VALID [2018-11-18 23:10:50,653 INFO L273 TraceCheckUtils]: 17: Hoare triple {803#false} assume true; {803#false} is VALID [2018-11-18 23:10:50,653 INFO L273 TraceCheckUtils]: 18: Hoare triple {803#false} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {803#false} is VALID [2018-11-18 23:10:50,654 INFO L273 TraceCheckUtils]: 19: Hoare triple {803#false} ~i~0 := 0; {803#false} is VALID [2018-11-18 23:10:50,654 INFO L273 TraceCheckUtils]: 20: Hoare triple {803#false} assume true; {803#false} is VALID [2018-11-18 23:10:50,654 INFO L273 TraceCheckUtils]: 21: Hoare triple {803#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {803#false} is VALID [2018-11-18 23:10:50,655 INFO L273 TraceCheckUtils]: 22: Hoare triple {803#false} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {803#false} is VALID [2018-11-18 23:10:50,655 INFO L256 TraceCheckUtils]: 23: Hoare triple {803#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {803#false} is VALID [2018-11-18 23:10:50,655 INFO L273 TraceCheckUtils]: 24: Hoare triple {803#false} ~cond := #in~cond; {803#false} is VALID [2018-11-18 23:10:50,656 INFO L273 TraceCheckUtils]: 25: Hoare triple {803#false} assume 0 == ~cond; {803#false} is VALID [2018-11-18 23:10:50,656 INFO L273 TraceCheckUtils]: 26: Hoare triple {803#false} assume !false; {803#false} is VALID [2018-11-18 23:10:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:50,682 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 23:10:50,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 23:10:50,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-11-18 23:10:50,683 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:10:50,683 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-18 23:10:50,724 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:50,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 23:10:50,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 23:10:50,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 23:10:50,725 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 4 states. [2018-11-18 23:10:50,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:50,966 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2018-11-18 23:10:50,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 23:10:50,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-11-18 23:10:50,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:10:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 23:10:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2018-11-18 23:10:50,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 23:10:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2018-11-18 23:10:50,972 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 67 transitions. [2018-11-18 23:10:51,079 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:51,080 INFO L225 Difference]: With dead ends: 70 [2018-11-18 23:10:51,081 INFO L226 Difference]: Without dead ends: 43 [2018-11-18 23:10:51,082 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 23:10:51,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-18 23:10:51,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-11-18 23:10:51,128 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:10:51,128 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 41 states. [2018-11-18 23:10:51,129 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 41 states. [2018-11-18 23:10:51,129 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 41 states. [2018-11-18 23:10:51,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:51,132 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2018-11-18 23:10:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2018-11-18 23:10:51,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:51,134 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:51,134 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 43 states. [2018-11-18 23:10:51,134 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 43 states. [2018-11-18 23:10:51,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:51,137 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2018-11-18 23:10:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2018-11-18 23:10:51,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:51,138 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:51,138 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:10:51,138 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:10:51,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 23:10:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2018-11-18 23:10:51,140 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 27 [2018-11-18 23:10:51,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:10:51,141 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2018-11-18 23:10:51,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 23:10:51,141 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2018-11-18 23:10:51,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 23:10:51,142 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:10:51,143 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:10:51,143 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:10:51,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:10:51,143 INFO L82 PathProgramCache]: Analyzing trace with hash -2094472037, now seen corresponding path program 2 times [2018-11-18 23:10:51,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:10:51,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:10:51,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:51,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:10:51,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:51,333 INFO L256 TraceCheckUtils]: 0: Hoare triple {1119#true} call ULTIMATE.init(); {1119#true} is VALID [2018-11-18 23:10:51,334 INFO L273 TraceCheckUtils]: 1: Hoare triple {1119#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {1119#true} is VALID [2018-11-18 23:10:51,334 INFO L273 TraceCheckUtils]: 2: Hoare triple {1119#true} assume true; {1119#true} is VALID [2018-11-18 23:10:51,335 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1119#true} {1119#true} #86#return; {1119#true} is VALID [2018-11-18 23:10:51,335 INFO L256 TraceCheckUtils]: 4: Hoare triple {1119#true} call #t~ret8 := main(); {1119#true} is VALID [2018-11-18 23:10:51,335 INFO L273 TraceCheckUtils]: 5: Hoare triple {1119#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {1119#true} is VALID [2018-11-18 23:10:51,336 INFO L273 TraceCheckUtils]: 6: Hoare triple {1119#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {1119#true} is VALID [2018-11-18 23:10:51,336 INFO L273 TraceCheckUtils]: 7: Hoare triple {1119#true} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {1119#true} is VALID [2018-11-18 23:10:51,336 INFO L273 TraceCheckUtils]: 8: Hoare triple {1119#true} assume true; {1119#true} is VALID [2018-11-18 23:10:51,337 INFO L273 TraceCheckUtils]: 9: Hoare triple {1119#true} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {1121#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:51,343 INFO L273 TraceCheckUtils]: 10: Hoare triple {1121#(<= 4 main_~j~0)} assume true; {1121#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:51,345 INFO L273 TraceCheckUtils]: 11: Hoare triple {1121#(<= 4 main_~j~0)} assume !!(~j~0 >= 1); {1121#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:51,345 INFO L273 TraceCheckUtils]: 12: Hoare triple {1121#(<= 4 main_~j~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1121#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:51,346 INFO L273 TraceCheckUtils]: 13: Hoare triple {1121#(<= 4 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1122#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:51,346 INFO L273 TraceCheckUtils]: 14: Hoare triple {1122#(<= 3 main_~j~0)} assume true; {1122#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:51,347 INFO L273 TraceCheckUtils]: 15: Hoare triple {1122#(<= 3 main_~j~0)} assume !!(~j~0 >= 1); {1122#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:51,361 INFO L273 TraceCheckUtils]: 16: Hoare triple {1122#(<= 3 main_~j~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1122#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:51,362 INFO L273 TraceCheckUtils]: 17: Hoare triple {1122#(<= 3 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1123#(<= 2 main_~j~0)} is VALID [2018-11-18 23:10:51,362 INFO L273 TraceCheckUtils]: 18: Hoare triple {1123#(<= 2 main_~j~0)} assume true; {1123#(<= 2 main_~j~0)} is VALID [2018-11-18 23:10:51,364 INFO L273 TraceCheckUtils]: 19: Hoare triple {1123#(<= 2 main_~j~0)} assume !(~j~0 >= 1); {1120#false} is VALID [2018-11-18 23:10:51,364 INFO L273 TraceCheckUtils]: 20: Hoare triple {1120#false} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1120#false} is VALID [2018-11-18 23:10:51,364 INFO L273 TraceCheckUtils]: 21: Hoare triple {1120#false} assume true; {1120#false} is VALID [2018-11-18 23:10:51,365 INFO L273 TraceCheckUtils]: 22: Hoare triple {1120#false} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {1120#false} is VALID [2018-11-18 23:10:51,365 INFO L273 TraceCheckUtils]: 23: Hoare triple {1120#false} ~i~0 := 0; {1120#false} is VALID [2018-11-18 23:10:51,365 INFO L273 TraceCheckUtils]: 24: Hoare triple {1120#false} assume true; {1120#false} is VALID [2018-11-18 23:10:51,366 INFO L273 TraceCheckUtils]: 25: Hoare triple {1120#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {1120#false} is VALID [2018-11-18 23:10:51,366 INFO L273 TraceCheckUtils]: 26: Hoare triple {1120#false} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {1120#false} is VALID [2018-11-18 23:10:51,367 INFO L256 TraceCheckUtils]: 27: Hoare triple {1120#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {1120#false} is VALID [2018-11-18 23:10:51,367 INFO L273 TraceCheckUtils]: 28: Hoare triple {1120#false} ~cond := #in~cond; {1120#false} is VALID [2018-11-18 23:10:51,367 INFO L273 TraceCheckUtils]: 29: Hoare triple {1120#false} assume 0 == ~cond; {1120#false} is VALID [2018-11-18 23:10:51,367 INFO L273 TraceCheckUtils]: 30: Hoare triple {1120#false} assume !false; {1120#false} is VALID [2018-11-18 23:10:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:51,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 23:10:51,370 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 23:10:51,380 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 23:10:51,411 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 23:10:51,412 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 23:10:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:51,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 23:10:51,708 INFO L256 TraceCheckUtils]: 0: Hoare triple {1119#true} call ULTIMATE.init(); {1119#true} is VALID [2018-11-18 23:10:51,709 INFO L273 TraceCheckUtils]: 1: Hoare triple {1119#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {1119#true} is VALID [2018-11-18 23:10:51,709 INFO L273 TraceCheckUtils]: 2: Hoare triple {1119#true} assume true; {1119#true} is VALID [2018-11-18 23:10:51,710 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1119#true} {1119#true} #86#return; {1119#true} is VALID [2018-11-18 23:10:51,710 INFO L256 TraceCheckUtils]: 4: Hoare triple {1119#true} call #t~ret8 := main(); {1119#true} is VALID [2018-11-18 23:10:51,711 INFO L273 TraceCheckUtils]: 5: Hoare triple {1119#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {1119#true} is VALID [2018-11-18 23:10:51,711 INFO L273 TraceCheckUtils]: 6: Hoare triple {1119#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {1119#true} is VALID [2018-11-18 23:10:51,711 INFO L273 TraceCheckUtils]: 7: Hoare triple {1119#true} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {1119#true} is VALID [2018-11-18 23:10:51,711 INFO L273 TraceCheckUtils]: 8: Hoare triple {1119#true} assume true; {1119#true} is VALID [2018-11-18 23:10:51,712 INFO L273 TraceCheckUtils]: 9: Hoare triple {1119#true} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {1121#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:51,716 INFO L273 TraceCheckUtils]: 10: Hoare triple {1121#(<= 4 main_~j~0)} assume true; {1121#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:51,716 INFO L273 TraceCheckUtils]: 11: Hoare triple {1121#(<= 4 main_~j~0)} assume !!(~j~0 >= 1); {1121#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:51,717 INFO L273 TraceCheckUtils]: 12: Hoare triple {1121#(<= 4 main_~j~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1121#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:51,717 INFO L273 TraceCheckUtils]: 13: Hoare triple {1121#(<= 4 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1122#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:51,719 INFO L273 TraceCheckUtils]: 14: Hoare triple {1122#(<= 3 main_~j~0)} assume true; {1122#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:51,736 INFO L273 TraceCheckUtils]: 15: Hoare triple {1122#(<= 3 main_~j~0)} assume !!(~j~0 >= 1); {1122#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:51,751 INFO L273 TraceCheckUtils]: 16: Hoare triple {1122#(<= 3 main_~j~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1122#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:51,766 INFO L273 TraceCheckUtils]: 17: Hoare triple {1122#(<= 3 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1123#(<= 2 main_~j~0)} is VALID [2018-11-18 23:10:51,775 INFO L273 TraceCheckUtils]: 18: Hoare triple {1123#(<= 2 main_~j~0)} assume true; {1123#(<= 2 main_~j~0)} is VALID [2018-11-18 23:10:51,776 INFO L273 TraceCheckUtils]: 19: Hoare triple {1123#(<= 2 main_~j~0)} assume !(~j~0 >= 1); {1120#false} is VALID [2018-11-18 23:10:51,776 INFO L273 TraceCheckUtils]: 20: Hoare triple {1120#false} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1120#false} is VALID [2018-11-18 23:10:51,776 INFO L273 TraceCheckUtils]: 21: Hoare triple {1120#false} assume true; {1120#false} is VALID [2018-11-18 23:10:51,776 INFO L273 TraceCheckUtils]: 22: Hoare triple {1120#false} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {1120#false} is VALID [2018-11-18 23:10:51,777 INFO L273 TraceCheckUtils]: 23: Hoare triple {1120#false} ~i~0 := 0; {1120#false} is VALID [2018-11-18 23:10:51,777 INFO L273 TraceCheckUtils]: 24: Hoare triple {1120#false} assume true; {1120#false} is VALID [2018-11-18 23:10:51,777 INFO L273 TraceCheckUtils]: 25: Hoare triple {1120#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {1120#false} is VALID [2018-11-18 23:10:51,777 INFO L273 TraceCheckUtils]: 26: Hoare triple {1120#false} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {1120#false} is VALID [2018-11-18 23:10:51,778 INFO L256 TraceCheckUtils]: 27: Hoare triple {1120#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {1120#false} is VALID [2018-11-18 23:10:51,778 INFO L273 TraceCheckUtils]: 28: Hoare triple {1120#false} ~cond := #in~cond; {1120#false} is VALID [2018-11-18 23:10:51,778 INFO L273 TraceCheckUtils]: 29: Hoare triple {1120#false} assume 0 == ~cond; {1120#false} is VALID [2018-11-18 23:10:51,778 INFO L273 TraceCheckUtils]: 30: Hoare triple {1120#false} assume !false; {1120#false} is VALID [2018-11-18 23:10:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:51,806 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 23:10:51,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-18 23:10:51,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-11-18 23:10:51,807 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:10:51,807 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 23:10:51,846 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:51,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 23:10:51,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 23:10:51,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 23:10:51,847 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 5 states. [2018-11-18 23:10:52,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:52,060 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2018-11-18 23:10:52,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 23:10:52,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-11-18 23:10:52,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:10:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 23:10:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2018-11-18 23:10:52,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 23:10:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2018-11-18 23:10:52,065 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 72 transitions. [2018-11-18 23:10:52,182 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:52,183 INFO L225 Difference]: With dead ends: 78 [2018-11-18 23:10:52,183 INFO L226 Difference]: Without dead ends: 47 [2018-11-18 23:10:52,184 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-18 23:10:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-11-18 23:10:52,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2018-11-18 23:10:52,257 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:10:52,257 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand 45 states. [2018-11-18 23:10:52,257 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 45 states. [2018-11-18 23:10:52,257 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 45 states. [2018-11-18 23:10:52,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:52,261 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2018-11-18 23:10:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-11-18 23:10:52,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:52,262 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:52,262 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 47 states. [2018-11-18 23:10:52,262 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 47 states. [2018-11-18 23:10:52,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:52,265 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2018-11-18 23:10:52,265 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-11-18 23:10:52,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:52,266 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:52,266 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:10:52,266 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:10:52,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-18 23:10:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2018-11-18 23:10:52,269 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 31 [2018-11-18 23:10:52,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:10:52,269 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2018-11-18 23:10:52,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 23:10:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2018-11-18 23:10:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 23:10:52,270 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:10:52,270 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:10:52,271 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:10:52,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:10:52,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1841148366, now seen corresponding path program 3 times [2018-11-18 23:10:52,271 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:10:52,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:10:52,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:52,272 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 23:10:52,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:52,392 INFO L256 TraceCheckUtils]: 0: Hoare triple {1472#true} call ULTIMATE.init(); {1472#true} is VALID [2018-11-18 23:10:52,393 INFO L273 TraceCheckUtils]: 1: Hoare triple {1472#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {1472#true} is VALID [2018-11-18 23:10:52,393 INFO L273 TraceCheckUtils]: 2: Hoare triple {1472#true} assume true; {1472#true} is VALID [2018-11-18 23:10:52,393 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1472#true} {1472#true} #86#return; {1472#true} is VALID [2018-11-18 23:10:52,394 INFO L256 TraceCheckUtils]: 4: Hoare triple {1472#true} call #t~ret8 := main(); {1472#true} is VALID [2018-11-18 23:10:52,394 INFO L273 TraceCheckUtils]: 5: Hoare triple {1472#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {1472#true} is VALID [2018-11-18 23:10:52,395 INFO L273 TraceCheckUtils]: 6: Hoare triple {1472#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,395 INFO L273 TraceCheckUtils]: 7: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,396 INFO L273 TraceCheckUtils]: 8: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume true; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,396 INFO L273 TraceCheckUtils]: 9: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,399 INFO L273 TraceCheckUtils]: 10: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume true; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,407 INFO L273 TraceCheckUtils]: 11: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume !!(~j~0 >= 1); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,407 INFO L273 TraceCheckUtils]: 12: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,409 INFO L273 TraceCheckUtils]: 13: Hoare triple {1474#(<= 2 main_~MINVAL~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,409 INFO L273 TraceCheckUtils]: 14: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume true; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,412 INFO L273 TraceCheckUtils]: 15: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume !!(~j~0 >= 1); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,412 INFO L273 TraceCheckUtils]: 16: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,414 INFO L273 TraceCheckUtils]: 17: Hoare triple {1474#(<= 2 main_~MINVAL~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,414 INFO L273 TraceCheckUtils]: 18: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume true; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,417 INFO L273 TraceCheckUtils]: 19: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume !!(~j~0 >= 1); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,417 INFO L273 TraceCheckUtils]: 20: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1475#(<= 2 main_~j~0)} is VALID [2018-11-18 23:10:52,425 INFO L273 TraceCheckUtils]: 21: Hoare triple {1475#(<= 2 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1476#(<= 1 main_~j~0)} is VALID [2018-11-18 23:10:52,426 INFO L273 TraceCheckUtils]: 22: Hoare triple {1476#(<= 1 main_~j~0)} assume true; {1476#(<= 1 main_~j~0)} is VALID [2018-11-18 23:10:52,426 INFO L273 TraceCheckUtils]: 23: Hoare triple {1476#(<= 1 main_~j~0)} assume !(~j~0 >= 1); {1473#false} is VALID [2018-11-18 23:10:52,427 INFO L273 TraceCheckUtils]: 24: Hoare triple {1473#false} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1473#false} is VALID [2018-11-18 23:10:52,427 INFO L273 TraceCheckUtils]: 25: Hoare triple {1473#false} assume true; {1473#false} is VALID [2018-11-18 23:10:52,427 INFO L273 TraceCheckUtils]: 26: Hoare triple {1473#false} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {1473#false} is VALID [2018-11-18 23:10:52,427 INFO L273 TraceCheckUtils]: 27: Hoare triple {1473#false} ~i~0 := 0; {1473#false} is VALID [2018-11-18 23:10:52,427 INFO L273 TraceCheckUtils]: 28: Hoare triple {1473#false} assume true; {1473#false} is VALID [2018-11-18 23:10:52,428 INFO L273 TraceCheckUtils]: 29: Hoare triple {1473#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {1473#false} is VALID [2018-11-18 23:10:52,428 INFO L273 TraceCheckUtils]: 30: Hoare triple {1473#false} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {1473#false} is VALID [2018-11-18 23:10:52,428 INFO L256 TraceCheckUtils]: 31: Hoare triple {1473#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {1473#false} is VALID [2018-11-18 23:10:52,428 INFO L273 TraceCheckUtils]: 32: Hoare triple {1473#false} ~cond := #in~cond; {1473#false} is VALID [2018-11-18 23:10:52,429 INFO L273 TraceCheckUtils]: 33: Hoare triple {1473#false} assume 0 == ~cond; {1473#false} is VALID [2018-11-18 23:10:52,429 INFO L273 TraceCheckUtils]: 34: Hoare triple {1473#false} assume !false; {1473#false} is VALID [2018-11-18 23:10:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 23:10:52,431 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 23:10:52,432 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 23:10:52,447 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 23:10:52,472 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-18 23:10:52,472 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 23:10:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:52,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 23:10:52,561 INFO L256 TraceCheckUtils]: 0: Hoare triple {1472#true} call ULTIMATE.init(); {1472#true} is VALID [2018-11-18 23:10:52,562 INFO L273 TraceCheckUtils]: 1: Hoare triple {1472#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {1472#true} is VALID [2018-11-18 23:10:52,562 INFO L273 TraceCheckUtils]: 2: Hoare triple {1472#true} assume true; {1472#true} is VALID [2018-11-18 23:10:52,563 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1472#true} {1472#true} #86#return; {1472#true} is VALID [2018-11-18 23:10:52,563 INFO L256 TraceCheckUtils]: 4: Hoare triple {1472#true} call #t~ret8 := main(); {1472#true} is VALID [2018-11-18 23:10:52,564 INFO L273 TraceCheckUtils]: 5: Hoare triple {1472#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {1472#true} is VALID [2018-11-18 23:10:52,565 INFO L273 TraceCheckUtils]: 6: Hoare triple {1472#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,566 INFO L273 TraceCheckUtils]: 7: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,566 INFO L273 TraceCheckUtils]: 8: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume true; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,568 INFO L273 TraceCheckUtils]: 9: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,568 INFO L273 TraceCheckUtils]: 10: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume true; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,570 INFO L273 TraceCheckUtils]: 11: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume !!(~j~0 >= 1); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,570 INFO L273 TraceCheckUtils]: 12: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,573 INFO L273 TraceCheckUtils]: 13: Hoare triple {1474#(<= 2 main_~MINVAL~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,573 INFO L273 TraceCheckUtils]: 14: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume true; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,575 INFO L273 TraceCheckUtils]: 15: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume !!(~j~0 >= 1); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,575 INFO L273 TraceCheckUtils]: 16: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,577 INFO L273 TraceCheckUtils]: 17: Hoare triple {1474#(<= 2 main_~MINVAL~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,577 INFO L273 TraceCheckUtils]: 18: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume true; {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,580 INFO L273 TraceCheckUtils]: 19: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume !!(~j~0 >= 1); {1474#(<= 2 main_~MINVAL~0)} is VALID [2018-11-18 23:10:52,580 INFO L273 TraceCheckUtils]: 20: Hoare triple {1474#(<= 2 main_~MINVAL~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1475#(<= 2 main_~j~0)} is VALID [2018-11-18 23:10:52,581 INFO L273 TraceCheckUtils]: 21: Hoare triple {1475#(<= 2 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1476#(<= 1 main_~j~0)} is VALID [2018-11-18 23:10:52,581 INFO L273 TraceCheckUtils]: 22: Hoare triple {1476#(<= 1 main_~j~0)} assume true; {1476#(<= 1 main_~j~0)} is VALID [2018-11-18 23:10:52,582 INFO L273 TraceCheckUtils]: 23: Hoare triple {1476#(<= 1 main_~j~0)} assume !(~j~0 >= 1); {1473#false} is VALID [2018-11-18 23:10:52,582 INFO L273 TraceCheckUtils]: 24: Hoare triple {1473#false} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1473#false} is VALID [2018-11-18 23:10:52,582 INFO L273 TraceCheckUtils]: 25: Hoare triple {1473#false} assume true; {1473#false} is VALID [2018-11-18 23:10:52,582 INFO L273 TraceCheckUtils]: 26: Hoare triple {1473#false} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {1473#false} is VALID [2018-11-18 23:10:52,583 INFO L273 TraceCheckUtils]: 27: Hoare triple {1473#false} ~i~0 := 0; {1473#false} is VALID [2018-11-18 23:10:52,583 INFO L273 TraceCheckUtils]: 28: Hoare triple {1473#false} assume true; {1473#false} is VALID [2018-11-18 23:10:52,583 INFO L273 TraceCheckUtils]: 29: Hoare triple {1473#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {1473#false} is VALID [2018-11-18 23:10:52,584 INFO L273 TraceCheckUtils]: 30: Hoare triple {1473#false} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {1473#false} is VALID [2018-11-18 23:10:52,584 INFO L256 TraceCheckUtils]: 31: Hoare triple {1473#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {1473#false} is VALID [2018-11-18 23:10:52,584 INFO L273 TraceCheckUtils]: 32: Hoare triple {1473#false} ~cond := #in~cond; {1473#false} is VALID [2018-11-18 23:10:52,584 INFO L273 TraceCheckUtils]: 33: Hoare triple {1473#false} assume 0 == ~cond; {1473#false} is VALID [2018-11-18 23:10:52,585 INFO L273 TraceCheckUtils]: 34: Hoare triple {1473#false} assume !false; {1473#false} is VALID [2018-11-18 23:10:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 23:10:52,616 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 23:10:52,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2018-11-18 23:10:52,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-11-18 23:10:52,617 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:10:52,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 23:10:52,687 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:52,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 23:10:52,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 23:10:52,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-18 23:10:52,689 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand 5 states. [2018-11-18 23:10:52,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:52,939 INFO L93 Difference]: Finished difference Result 86 states and 99 transitions. [2018-11-18 23:10:52,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 23:10:52,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-11-18 23:10:52,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:10:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 23:10:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2018-11-18 23:10:52,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 23:10:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2018-11-18 23:10:52,944 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 64 transitions. [2018-11-18 23:10:53,137 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:53,139 INFO L225 Difference]: With dead ends: 86 [2018-11-18 23:10:53,139 INFO L226 Difference]: Without dead ends: 51 [2018-11-18 23:10:53,140 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-18 23:10:53,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-18 23:10:53,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2018-11-18 23:10:53,212 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:10:53,212 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand 45 states. [2018-11-18 23:10:53,212 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 45 states. [2018-11-18 23:10:53,212 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 45 states. [2018-11-18 23:10:53,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:53,215 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-11-18 23:10:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2018-11-18 23:10:53,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:53,216 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:53,217 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 51 states. [2018-11-18 23:10:53,217 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 51 states. [2018-11-18 23:10:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:53,219 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-11-18 23:10:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2018-11-18 23:10:53,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:53,220 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:53,220 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:10:53,220 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:10:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-18 23:10:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2018-11-18 23:10:53,222 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 35 [2018-11-18 23:10:53,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:10:53,223 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2018-11-18 23:10:53,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 23:10:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2018-11-18 23:10:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 23:10:53,224 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:10:53,224 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:10:53,224 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:10:53,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:10:53,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1173955252, now seen corresponding path program 1 times [2018-11-18 23:10:53,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:10:53,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:10:53,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:53,226 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 23:10:53,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:53,339 INFO L256 TraceCheckUtils]: 0: Hoare triple {1860#true} call ULTIMATE.init(); {1860#true} is VALID [2018-11-18 23:10:53,339 INFO L273 TraceCheckUtils]: 1: Hoare triple {1860#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {1860#true} is VALID [2018-11-18 23:10:53,339 INFO L273 TraceCheckUtils]: 2: Hoare triple {1860#true} assume true; {1860#true} is VALID [2018-11-18 23:10:53,340 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1860#true} {1860#true} #86#return; {1860#true} is VALID [2018-11-18 23:10:53,340 INFO L256 TraceCheckUtils]: 4: Hoare triple {1860#true} call #t~ret8 := main(); {1860#true} is VALID [2018-11-18 23:10:53,340 INFO L273 TraceCheckUtils]: 5: Hoare triple {1860#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {1860#true} is VALID [2018-11-18 23:10:53,340 INFO L273 TraceCheckUtils]: 6: Hoare triple {1860#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {1860#true} is VALID [2018-11-18 23:10:53,340 INFO L273 TraceCheckUtils]: 7: Hoare triple {1860#true} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {1860#true} is VALID [2018-11-18 23:10:53,341 INFO L273 TraceCheckUtils]: 8: Hoare triple {1860#true} assume true; {1860#true} is VALID [2018-11-18 23:10:53,342 INFO L273 TraceCheckUtils]: 9: Hoare triple {1860#true} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {1862#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:53,342 INFO L273 TraceCheckUtils]: 10: Hoare triple {1862#(<= 4 main_~j~0)} assume true; {1862#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:53,343 INFO L273 TraceCheckUtils]: 11: Hoare triple {1862#(<= 4 main_~j~0)} assume !!(~j~0 >= 1); {1862#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:53,343 INFO L273 TraceCheckUtils]: 12: Hoare triple {1862#(<= 4 main_~j~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1862#(<= 4 main_~j~0)} is VALID [2018-11-18 23:10:53,344 INFO L273 TraceCheckUtils]: 13: Hoare triple {1862#(<= 4 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1863#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:53,344 INFO L273 TraceCheckUtils]: 14: Hoare triple {1863#(<= 3 main_~j~0)} assume true; {1863#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:53,345 INFO L273 TraceCheckUtils]: 15: Hoare triple {1863#(<= 3 main_~j~0)} assume !!(~j~0 >= 1); {1863#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:53,345 INFO L273 TraceCheckUtils]: 16: Hoare triple {1863#(<= 3 main_~j~0)} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1863#(<= 3 main_~j~0)} is VALID [2018-11-18 23:10:53,346 INFO L273 TraceCheckUtils]: 17: Hoare triple {1863#(<= 3 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1864#(<= 2 main_~j~0)} is VALID [2018-11-18 23:10:53,347 INFO L273 TraceCheckUtils]: 18: Hoare triple {1864#(<= 2 main_~j~0)} assume true; {1864#(<= 2 main_~j~0)} is VALID [2018-11-18 23:10:53,348 INFO L273 TraceCheckUtils]: 19: Hoare triple {1864#(<= 2 main_~j~0)} assume !!(~j~0 >= 1); {1864#(<= 2 main_~j~0)} is VALID [2018-11-18 23:10:53,348 INFO L273 TraceCheckUtils]: 20: Hoare triple {1864#(<= 2 main_~j~0)} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1864#(<= 2 main_~j~0)} is VALID [2018-11-18 23:10:53,349 INFO L273 TraceCheckUtils]: 21: Hoare triple {1864#(<= 2 main_~j~0)} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1865#(<= 1 main_~j~0)} is VALID [2018-11-18 23:10:53,350 INFO L273 TraceCheckUtils]: 22: Hoare triple {1865#(<= 1 main_~j~0)} assume true; {1865#(<= 1 main_~j~0)} is VALID [2018-11-18 23:10:53,350 INFO L273 TraceCheckUtils]: 23: Hoare triple {1865#(<= 1 main_~j~0)} assume !(~j~0 >= 1); {1861#false} is VALID [2018-11-18 23:10:53,351 INFO L273 TraceCheckUtils]: 24: Hoare triple {1861#false} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1861#false} is VALID [2018-11-18 23:10:53,351 INFO L273 TraceCheckUtils]: 25: Hoare triple {1861#false} assume true; {1861#false} is VALID [2018-11-18 23:10:53,351 INFO L273 TraceCheckUtils]: 26: Hoare triple {1861#false} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {1861#false} is VALID [2018-11-18 23:10:53,351 INFO L273 TraceCheckUtils]: 27: Hoare triple {1861#false} ~i~0 := 0; {1861#false} is VALID [2018-11-18 23:10:53,352 INFO L273 TraceCheckUtils]: 28: Hoare triple {1861#false} assume true; {1861#false} is VALID [2018-11-18 23:10:53,352 INFO L273 TraceCheckUtils]: 29: Hoare triple {1861#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {1861#false} is VALID [2018-11-18 23:10:53,352 INFO L273 TraceCheckUtils]: 30: Hoare triple {1861#false} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {1861#false} is VALID [2018-11-18 23:10:53,353 INFO L256 TraceCheckUtils]: 31: Hoare triple {1861#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {1861#false} is VALID [2018-11-18 23:10:53,353 INFO L273 TraceCheckUtils]: 32: Hoare triple {1861#false} ~cond := #in~cond; {1861#false} is VALID [2018-11-18 23:10:53,353 INFO L273 TraceCheckUtils]: 33: Hoare triple {1861#false} assume 0 == ~cond; {1861#false} is VALID [2018-11-18 23:10:53,353 INFO L273 TraceCheckUtils]: 34: Hoare triple {1861#false} assume !false; {1861#false} is VALID [2018-11-18 23:10:53,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:53,355 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 23:10:53,355 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 23:10:53,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:10:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:53,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 23:10:53,613 INFO L256 TraceCheckUtils]: 0: Hoare triple {1860#true} call ULTIMATE.init(); {1860#true} is VALID [2018-11-18 23:10:53,614 INFO L273 TraceCheckUtils]: 1: Hoare triple {1860#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {1860#true} is VALID [2018-11-18 23:10:53,614 INFO L273 TraceCheckUtils]: 2: Hoare triple {1860#true} assume true; {1860#true} is VALID [2018-11-18 23:10:53,615 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1860#true} {1860#true} #86#return; {1860#true} is VALID [2018-11-18 23:10:53,615 INFO L256 TraceCheckUtils]: 4: Hoare triple {1860#true} call #t~ret8 := main(); {1860#true} is VALID [2018-11-18 23:10:53,615 INFO L273 TraceCheckUtils]: 5: Hoare triple {1860#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {1860#true} is VALID [2018-11-18 23:10:53,618 INFO L273 TraceCheckUtils]: 6: Hoare triple {1860#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {1887#(<= main_~MINVAL~0 2)} is VALID [2018-11-18 23:10:53,619 INFO L273 TraceCheckUtils]: 7: Hoare triple {1887#(<= main_~MINVAL~0 2)} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {1887#(<= main_~MINVAL~0 2)} is VALID [2018-11-18 23:10:53,620 INFO L273 TraceCheckUtils]: 8: Hoare triple {1887#(<= main_~MINVAL~0 2)} assume true; {1887#(<= main_~MINVAL~0 2)} is VALID [2018-11-18 23:10:53,620 INFO L273 TraceCheckUtils]: 9: Hoare triple {1887#(<= main_~MINVAL~0 2)} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {1897#(and (<= 4 main_~j~0) (<= main_~MINVAL~0 2))} is VALID [2018-11-18 23:10:53,621 INFO L273 TraceCheckUtils]: 10: Hoare triple {1897#(and (<= 4 main_~j~0) (<= main_~MINVAL~0 2))} assume true; {1897#(and (<= 4 main_~j~0) (<= main_~MINVAL~0 2))} is VALID [2018-11-18 23:10:53,622 INFO L273 TraceCheckUtils]: 11: Hoare triple {1897#(and (<= 4 main_~j~0) (<= main_~MINVAL~0 2))} assume !!(~j~0 >= 1); {1897#(and (<= 4 main_~j~0) (<= main_~MINVAL~0 2))} is VALID [2018-11-18 23:10:53,624 INFO L273 TraceCheckUtils]: 12: Hoare triple {1897#(and (<= 4 main_~j~0) (<= main_~MINVAL~0 2))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1897#(and (<= 4 main_~j~0) (<= main_~MINVAL~0 2))} is VALID [2018-11-18 23:10:53,625 INFO L273 TraceCheckUtils]: 13: Hoare triple {1897#(and (<= 4 main_~j~0) (<= main_~MINVAL~0 2))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1910#(and (<= main_~MINVAL~0 2) (<= 3 main_~j~0))} is VALID [2018-11-18 23:10:53,626 INFO L273 TraceCheckUtils]: 14: Hoare triple {1910#(and (<= main_~MINVAL~0 2) (<= 3 main_~j~0))} assume true; {1910#(and (<= main_~MINVAL~0 2) (<= 3 main_~j~0))} is VALID [2018-11-18 23:10:53,627 INFO L273 TraceCheckUtils]: 15: Hoare triple {1910#(and (<= main_~MINVAL~0 2) (<= 3 main_~j~0))} assume !!(~j~0 >= 1); {1910#(and (<= main_~MINVAL~0 2) (<= 3 main_~j~0))} is VALID [2018-11-18 23:10:53,628 INFO L273 TraceCheckUtils]: 16: Hoare triple {1910#(and (<= main_~MINVAL~0 2) (<= 3 main_~j~0))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1910#(and (<= main_~MINVAL~0 2) (<= 3 main_~j~0))} is VALID [2018-11-18 23:10:53,629 INFO L273 TraceCheckUtils]: 17: Hoare triple {1910#(and (<= main_~MINVAL~0 2) (<= 3 main_~j~0))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1923#(and (<= 2 main_~j~0) (<= main_~MINVAL~0 2))} is VALID [2018-11-18 23:10:53,630 INFO L273 TraceCheckUtils]: 18: Hoare triple {1923#(and (<= 2 main_~j~0) (<= main_~MINVAL~0 2))} assume true; {1923#(and (<= 2 main_~j~0) (<= main_~MINVAL~0 2))} is VALID [2018-11-18 23:10:53,630 INFO L273 TraceCheckUtils]: 19: Hoare triple {1923#(and (<= 2 main_~j~0) (<= main_~MINVAL~0 2))} assume !!(~j~0 >= 1); {1923#(and (<= 2 main_~j~0) (<= main_~MINVAL~0 2))} is VALID [2018-11-18 23:10:53,632 INFO L273 TraceCheckUtils]: 20: Hoare triple {1923#(and (<= 2 main_~j~0) (<= main_~MINVAL~0 2))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {1861#false} is VALID [2018-11-18 23:10:53,632 INFO L273 TraceCheckUtils]: 21: Hoare triple {1861#false} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {1861#false} is VALID [2018-11-18 23:10:53,632 INFO L273 TraceCheckUtils]: 22: Hoare triple {1861#false} assume true; {1861#false} is VALID [2018-11-18 23:10:53,632 INFO L273 TraceCheckUtils]: 23: Hoare triple {1861#false} assume !(~j~0 >= 1); {1861#false} is VALID [2018-11-18 23:10:53,633 INFO L273 TraceCheckUtils]: 24: Hoare triple {1861#false} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1861#false} is VALID [2018-11-18 23:10:53,633 INFO L273 TraceCheckUtils]: 25: Hoare triple {1861#false} assume true; {1861#false} is VALID [2018-11-18 23:10:53,633 INFO L273 TraceCheckUtils]: 26: Hoare triple {1861#false} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {1861#false} is VALID [2018-11-18 23:10:53,634 INFO L273 TraceCheckUtils]: 27: Hoare triple {1861#false} ~i~0 := 0; {1861#false} is VALID [2018-11-18 23:10:53,634 INFO L273 TraceCheckUtils]: 28: Hoare triple {1861#false} assume true; {1861#false} is VALID [2018-11-18 23:10:53,634 INFO L273 TraceCheckUtils]: 29: Hoare triple {1861#false} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {1861#false} is VALID [2018-11-18 23:10:53,634 INFO L273 TraceCheckUtils]: 30: Hoare triple {1861#false} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {1861#false} is VALID [2018-11-18 23:10:53,634 INFO L256 TraceCheckUtils]: 31: Hoare triple {1861#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {1861#false} is VALID [2018-11-18 23:10:53,634 INFO L273 TraceCheckUtils]: 32: Hoare triple {1861#false} ~cond := #in~cond; {1861#false} is VALID [2018-11-18 23:10:53,635 INFO L273 TraceCheckUtils]: 33: Hoare triple {1861#false} assume 0 == ~cond; {1861#false} is VALID [2018-11-18 23:10:53,635 INFO L273 TraceCheckUtils]: 34: Hoare triple {1861#false} assume !false; {1861#false} is VALID [2018-11-18 23:10:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:53,657 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 23:10:53,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-11-18 23:10:53,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2018-11-18 23:10:53,658 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:10:53,658 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2018-11-18 23:10:53,712 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:53,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 23:10:53,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 23:10:53,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-11-18 23:10:53,713 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand 10 states. [2018-11-18 23:10:54,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:54,145 INFO L93 Difference]: Finished difference Result 87 states and 100 transitions. [2018-11-18 23:10:54,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 23:10:54,146 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2018-11-18 23:10:54,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:10:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-18 23:10:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 73 transitions. [2018-11-18 23:10:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-18 23:10:54,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 73 transitions. [2018-11-18 23:10:54,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 73 transitions. [2018-11-18 23:10:54,300 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:54,302 INFO L225 Difference]: With dead ends: 87 [2018-11-18 23:10:54,302 INFO L226 Difference]: Without dead ends: 52 [2018-11-18 23:10:54,303 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-11-18 23:10:54,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-18 23:10:54,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2018-11-18 23:10:54,372 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:10:54,372 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 49 states. [2018-11-18 23:10:54,373 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 49 states. [2018-11-18 23:10:54,373 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 49 states. [2018-11-18 23:10:54,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:54,377 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2018-11-18 23:10:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-11-18 23:10:54,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:54,377 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:54,377 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 52 states. [2018-11-18 23:10:54,378 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 52 states. [2018-11-18 23:10:54,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:10:54,380 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2018-11-18 23:10:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-11-18 23:10:54,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:10:54,380 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:10:54,380 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:10:54,381 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:10:54,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-18 23:10:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-11-18 23:10:54,382 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 35 [2018-11-18 23:10:54,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:10:54,383 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-11-18 23:10:54,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 23:10:54,383 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-11-18 23:10:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 23:10:54,384 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:10:54,384 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:10:54,384 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:10:54,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:10:54,385 INFO L82 PathProgramCache]: Analyzing trace with hash -259659573, now seen corresponding path program 2 times [2018-11-18 23:10:54,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:10:54,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:10:54,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:54,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:10:54,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:10:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:54,999 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-18 23:10:55,600 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2018-11-18 23:10:56,968 INFO L256 TraceCheckUtils]: 0: Hoare triple {2259#true} call ULTIMATE.init(); {2259#true} is VALID [2018-11-18 23:10:56,969 INFO L273 TraceCheckUtils]: 1: Hoare triple {2259#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {2259#true} is VALID [2018-11-18 23:10:56,969 INFO L273 TraceCheckUtils]: 2: Hoare triple {2259#true} assume true; {2259#true} is VALID [2018-11-18 23:10:56,969 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2259#true} {2259#true} #86#return; {2259#true} is VALID [2018-11-18 23:10:56,969 INFO L256 TraceCheckUtils]: 4: Hoare triple {2259#true} call #t~ret8 := main(); {2259#true} is VALID [2018-11-18 23:10:56,970 INFO L273 TraceCheckUtils]: 5: Hoare triple {2259#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {2259#true} is VALID [2018-11-18 23:10:56,971 INFO L273 TraceCheckUtils]: 6: Hoare triple {2259#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {2261#(and (<= 2 ~CELLCOUNT~0) (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:10:56,972 INFO L273 TraceCheckUtils]: 7: Hoare triple {2261#(and (<= 2 ~CELLCOUNT~0) (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {2262#(and (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,972 INFO L273 TraceCheckUtils]: 8: Hoare triple {2262#(and (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {2262#(and (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,973 INFO L273 TraceCheckUtils]: 9: Hoare triple {2262#(and (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {2263#(and (<= main_~j~0 (+ main_~MINVAL~0 2)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,974 INFO L273 TraceCheckUtils]: 10: Hoare triple {2263#(and (<= main_~j~0 (+ main_~MINVAL~0 2)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {2263#(and (<= main_~j~0 (+ main_~MINVAL~0 2)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,975 INFO L273 TraceCheckUtils]: 11: Hoare triple {2263#(and (<= main_~j~0 (+ main_~MINVAL~0 2)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~j~0 >= 1); {2263#(and (<= main_~j~0 (+ main_~MINVAL~0 2)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,976 INFO L273 TraceCheckUtils]: 12: Hoare triple {2263#(and (<= main_~j~0 (+ main_~MINVAL~0 2)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (< 0 (+ ~CELLCOUNT~0 1)))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2264#(and (<= main_~j~0 (+ main_~MINVAL~0 2)) (= main_~j~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)))) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,978 INFO L273 TraceCheckUtils]: 13: Hoare triple {2264#(and (<= main_~j~0 (+ main_~MINVAL~0 2)) (= main_~j~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)))) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {2265#(and (<= (+ main_~j~0 1) (div (+ (- 0) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,979 INFO L273 TraceCheckUtils]: 14: Hoare triple {2265#(and (<= (+ main_~j~0 1) (div (+ (- 0) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {2265#(and (<= (+ main_~j~0 1) (div (+ (- 0) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,986 INFO L273 TraceCheckUtils]: 15: Hoare triple {2265#(and (<= (+ main_~j~0 1) (div (+ (- 0) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~j~0 >= 1); {2265#(and (<= (+ main_~j~0 1) (div (+ (- 0) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,988 INFO L273 TraceCheckUtils]: 16: Hoare triple {2265#(and (<= (+ main_~j~0 1) (div (+ (- 0) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2265#(and (<= (+ main_~j~0 1) (div (+ (- 0) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,989 INFO L273 TraceCheckUtils]: 17: Hoare triple {2265#(and (<= (+ main_~j~0 1) (div (+ (- 0) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {2266#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,990 INFO L273 TraceCheckUtils]: 18: Hoare triple {2266#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {2266#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,991 INFO L273 TraceCheckUtils]: 19: Hoare triple {2266#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~j~0 >= 1); {2266#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,992 INFO L273 TraceCheckUtils]: 20: Hoare triple {2266#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 0)) (< 0 (+ ~CELLCOUNT~0 1)))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2267#(and (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,993 INFO L273 TraceCheckUtils]: 21: Hoare triple {2267#(and (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {2268#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 0))))} is VALID [2018-11-18 23:10:56,994 INFO L273 TraceCheckUtils]: 22: Hoare triple {2268#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 0))))} assume true; {2268#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 0))))} is VALID [2018-11-18 23:10:56,995 INFO L273 TraceCheckUtils]: 23: Hoare triple {2268#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 0))))} assume !!(~j~0 >= 1); {2268#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 0))))} is VALID [2018-11-18 23:10:56,996 INFO L273 TraceCheckUtils]: 24: Hoare triple {2268#(and (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (<= (+ main_~MINVAL~0 2) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 0))))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2269#(and (or (and (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0))))) (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,998 INFO L273 TraceCheckUtils]: 25: Hoare triple {2269#(and (or (and (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (* 4 main_~j~0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0))))) (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {2270#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,999 INFO L273 TraceCheckUtils]: 26: Hoare triple {2270#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {2270#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:56,999 INFO L273 TraceCheckUtils]: 27: Hoare triple {2270#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume !(~j~0 >= 1); {2270#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:10:57,000 INFO L273 TraceCheckUtils]: 28: Hoare triple {2270#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2271#(and (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (and (<= (* 4 main_~i~0) (+ ~CELLCOUNT~0 2)) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))))))} is VALID [2018-11-18 23:10:57,001 INFO L273 TraceCheckUtils]: 29: Hoare triple {2271#(and (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (and (<= (* 4 main_~i~0) (+ ~CELLCOUNT~0 2)) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))))))} assume true; {2271#(and (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (and (<= (* 4 main_~i~0) (+ ~CELLCOUNT~0 2)) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))))))} is VALID [2018-11-18 23:10:57,020 INFO L273 TraceCheckUtils]: 30: Hoare triple {2271#(and (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (and (<= (* 4 main_~i~0) (+ ~CELLCOUNT~0 2)) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))))))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {2272#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0))) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:10:57,034 INFO L273 TraceCheckUtils]: 31: Hoare triple {2272#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) 0)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) 0))) (= |main_~#volArray~0.offset| 0))} ~i~0 := 0; {2273#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} is VALID [2018-11-18 23:10:57,043 INFO L273 TraceCheckUtils]: 32: Hoare triple {2273#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} assume true; {2273#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} is VALID [2018-11-18 23:10:57,057 INFO L273 TraceCheckUtils]: 33: Hoare triple {2273#(and (or (<= (+ main_~MINVAL~0 2) (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {2274#(and (or |main_#t~short7| (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} is VALID [2018-11-18 23:10:57,066 INFO L273 TraceCheckUtils]: 34: Hoare triple {2274#(and (or |main_#t~short7| (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {2275#|main_#t~short7|} is VALID [2018-11-18 23:10:57,080 INFO L256 TraceCheckUtils]: 35: Hoare triple {2275#|main_#t~short7|} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {2276#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2018-11-18 23:10:57,089 INFO L273 TraceCheckUtils]: 36: Hoare triple {2276#(not (= |__VERIFIER_assert_#in~cond| 0))} ~cond := #in~cond; {2277#(not (= __VERIFIER_assert_~cond 0))} is VALID [2018-11-18 23:10:57,102 INFO L273 TraceCheckUtils]: 37: Hoare triple {2277#(not (= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {2260#false} is VALID [2018-11-18 23:10:57,102 INFO L273 TraceCheckUtils]: 38: Hoare triple {2260#false} assume !false; {2260#false} is VALID [2018-11-18 23:10:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:57,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 23:10:57,114 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 23:10:57,127 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 23:10:57,159 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 23:10:57,159 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 23:10:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:10:57,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 23:10:57,329 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 18 treesize of output 15 [2018-11-18 23:10:57,334 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 15 treesize of output 14 [2018-11-18 23:10:57,336 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:10:57,341 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:10:57,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:10:57,352 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-11-18 23:10:57,479 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 31 treesize of output 26 [2018-11-18 23:10:57,485 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:57,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:57,487 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 56 [2018-11-18 23:10:57,491 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:10:57,502 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:10:57,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:10:57,517 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2018-11-18 23:10:57,736 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 45 treesize of output 38 [2018-11-18 23:10:57,749 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:57,750 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:57,752 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:57,754 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:57,756 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:57,757 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:57,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 143 [2018-11-18 23:10:57,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:10:57,782 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:10:57,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 23:10:57,818 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:62, output treesize:58 [2018-11-18 23:10:58,243 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 48 treesize of output 39 [2018-11-18 23:10:58,258 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:58,263 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:58,264 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:58,265 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:58,267 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:58,268 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:58,271 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:58,282 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:58,284 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:58,286 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:10:58,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 177 [2018-11-18 23:10:58,298 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:10:58,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:10:58,367 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-11-18 23:10:58,368 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:67, output treesize:63 [2018-11-18 23:10:58,389 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 23:10:59,096 INFO L256 TraceCheckUtils]: 0: Hoare triple {2259#true} call ULTIMATE.init(); {2259#true} is VALID [2018-11-18 23:10:59,096 INFO L273 TraceCheckUtils]: 1: Hoare triple {2259#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {2259#true} is VALID [2018-11-18 23:10:59,096 INFO L273 TraceCheckUtils]: 2: Hoare triple {2259#true} assume true; {2259#true} is VALID [2018-11-18 23:10:59,097 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2259#true} {2259#true} #86#return; {2259#true} is VALID [2018-11-18 23:10:59,097 INFO L256 TraceCheckUtils]: 4: Hoare triple {2259#true} call #t~ret8 := main(); {2259#true} is VALID [2018-11-18 23:10:59,097 INFO L273 TraceCheckUtils]: 5: Hoare triple {2259#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {2259#true} is VALID [2018-11-18 23:10:59,097 INFO L273 TraceCheckUtils]: 6: Hoare triple {2259#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {2299#(and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:10:59,098 INFO L273 TraceCheckUtils]: 7: Hoare triple {2299#(and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {2303#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:10:59,101 INFO L273 TraceCheckUtils]: 8: Hoare triple {2303#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume true; {2303#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:10:59,101 INFO L273 TraceCheckUtils]: 9: Hoare triple {2303#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {2310#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:10:59,102 INFO L273 TraceCheckUtils]: 10: Hoare triple {2310#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume true; {2310#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:10:59,104 INFO L273 TraceCheckUtils]: 11: Hoare triple {2310#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume !!(~j~0 >= 1); {2310#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:10:59,108 INFO L273 TraceCheckUtils]: 12: Hoare triple {2310#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2320#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0) (= main_~j~0 4))} is VALID [2018-11-18 23:10:59,111 INFO L273 TraceCheckUtils]: 13: Hoare triple {2320#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0) (= main_~j~0 4))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {2324#(and (<= main_~MINVAL~0 2) (<= main_~j~0 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,112 INFO L273 TraceCheckUtils]: 14: Hoare triple {2324#(and (<= main_~MINVAL~0 2) (<= main_~j~0 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} assume true; {2324#(and (<= main_~MINVAL~0 2) (<= main_~j~0 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,115 INFO L273 TraceCheckUtils]: 15: Hoare triple {2324#(and (<= main_~MINVAL~0 2) (<= main_~j~0 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} assume !!(~j~0 >= 1); {2324#(and (<= main_~MINVAL~0 2) (<= main_~j~0 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,117 INFO L273 TraceCheckUtils]: 16: Hoare triple {2324#(and (<= main_~MINVAL~0 2) (<= main_~j~0 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2334#(and (<= main_~MINVAL~0 2) (<= main_~j~0 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,119 INFO L273 TraceCheckUtils]: 17: Hoare triple {2334#(and (<= main_~MINVAL~0 2) (<= main_~j~0 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {2338#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_16))) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,122 INFO L273 TraceCheckUtils]: 18: Hoare triple {2338#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_16))) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} assume true; {2338#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_16))) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,124 INFO L273 TraceCheckUtils]: 19: Hoare triple {2338#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_16))) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} assume !!(~j~0 >= 1); {2338#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_16))) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,127 INFO L273 TraceCheckUtils]: 20: Hoare triple {2338#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_16))) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2348#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0) (exists ((v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_16))) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,129 INFO L273 TraceCheckUtils]: 21: Hoare triple {2348#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0) (exists ((v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_16))) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {2352#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_17) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) (* 16 main_~i~0)))))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,130 INFO L273 TraceCheckUtils]: 22: Hoare triple {2352#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_17) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) (* 16 main_~i~0)))))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} assume true; {2352#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_17) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) (* 16 main_~i~0)))))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,132 INFO L273 TraceCheckUtils]: 23: Hoare triple {2352#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_17) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) (* 16 main_~i~0)))))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} assume !!(~j~0 >= 1); {2352#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_17) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) (* 16 main_~i~0)))))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} is VALID [2018-11-18 23:10:59,136 INFO L273 TraceCheckUtils]: 24: Hoare triple {2352#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int)) (and (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (<= (+ main_~j~0 1) v_main_~j~0_17) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) (* 16 main_~i~0)))))) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= 4 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 16)))))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} is VALID [2018-11-18 23:10:59,137 INFO L273 TraceCheckUtils]: 25: Hoare triple {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} is VALID [2018-11-18 23:10:59,138 INFO L273 TraceCheckUtils]: 26: Hoare triple {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} assume true; {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} is VALID [2018-11-18 23:10:59,139 INFO L273 TraceCheckUtils]: 27: Hoare triple {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} assume !(~j~0 >= 1); {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} is VALID [2018-11-18 23:10:59,140 INFO L273 TraceCheckUtils]: 28: Hoare triple {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} is VALID [2018-11-18 23:10:59,141 INFO L273 TraceCheckUtils]: 29: Hoare triple {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} assume true; {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} is VALID [2018-11-18 23:10:59,143 INFO L273 TraceCheckUtils]: 30: Hoare triple {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} is VALID [2018-11-18 23:10:59,144 INFO L273 TraceCheckUtils]: 31: Hoare triple {2362#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4))} ~i~0 := 0; {2384#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4) (= main_~i~0 0))} is VALID [2018-11-18 23:10:59,145 INFO L273 TraceCheckUtils]: 32: Hoare triple {2384#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4) (= main_~i~0 0))} assume true; {2384#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4) (= main_~i~0 0))} is VALID [2018-11-18 23:10:59,147 INFO L273 TraceCheckUtils]: 33: Hoare triple {2384#(and (exists ((v_main_~j~0_17 Int) (v_main_~j~0_16 Int) (main_~j~0 Int)) (and (<= (+ v_main_~j~0_17 1) v_main_~j~0_16) (<= v_main_~j~0_16 3) (= v_main_~j~0_16 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_16) 16))) (<= (+ main_~j~0 1) v_main_~j~0_17) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (= v_main_~j~0_17 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_17) 16))))) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) |main_~#volArray~0.offset|) 4) (= main_~i~0 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {2275#|main_#t~short7|} is VALID [2018-11-18 23:10:59,148 INFO L273 TraceCheckUtils]: 34: Hoare triple {2275#|main_#t~short7|} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {2260#false} is VALID [2018-11-18 23:10:59,148 INFO L256 TraceCheckUtils]: 35: Hoare triple {2260#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {2260#false} is VALID [2018-11-18 23:10:59,148 INFO L273 TraceCheckUtils]: 36: Hoare triple {2260#false} ~cond := #in~cond; {2260#false} is VALID [2018-11-18 23:10:59,149 INFO L273 TraceCheckUtils]: 37: Hoare triple {2260#false} assume 0 == ~cond; {2260#false} is VALID [2018-11-18 23:10:59,149 INFO L273 TraceCheckUtils]: 38: Hoare triple {2260#false} assume !false; {2260#false} is VALID [2018-11-18 23:10:59,160 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:10:59,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 23:10:59,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14] total 30 [2018-11-18 23:10:59,183 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 39 [2018-11-18 23:10:59,183 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:10:59,184 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states. [2018-11-18 23:10:59,322 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:10:59,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-18 23:10:59,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-18 23:10:59,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=736, Unknown=0, NotChecked=0, Total=870 [2018-11-18 23:10:59,324 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 30 states. [2018-11-18 23:11:01,443 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2018-11-18 23:11:04,926 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2018-11-18 23:11:06,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:11:06,508 INFO L93 Difference]: Finished difference Result 156 states and 182 transitions. [2018-11-18 23:11:06,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-18 23:11:06,508 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 39 [2018-11-18 23:11:06,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:11:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-18 23:11:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 144 transitions. [2018-11-18 23:11:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-18 23:11:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 144 transitions. [2018-11-18 23:11:06,520 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 144 transitions. [2018-11-18 23:11:06,799 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:11:06,803 INFO L225 Difference]: With dead ends: 156 [2018-11-18 23:11:06,803 INFO L226 Difference]: Without dead ends: 117 [2018-11-18 23:11:06,805 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=469, Invalid=2287, Unknown=0, NotChecked=0, Total=2756 [2018-11-18 23:11:06,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-18 23:11:06,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 77. [2018-11-18 23:11:06,964 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:11:06,964 INFO L82 GeneralOperation]: Start isEquivalent. First operand 117 states. Second operand 77 states. [2018-11-18 23:11:06,964 INFO L74 IsIncluded]: Start isIncluded. First operand 117 states. Second operand 77 states. [2018-11-18 23:11:06,965 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 77 states. [2018-11-18 23:11:06,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:11:06,972 INFO L93 Difference]: Finished difference Result 117 states and 135 transitions. [2018-11-18 23:11:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-11-18 23:11:06,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:11:06,973 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:11:06,973 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 117 states. [2018-11-18 23:11:06,973 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 117 states. [2018-11-18 23:11:06,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:11:06,978 INFO L93 Difference]: Finished difference Result 117 states and 135 transitions. [2018-11-18 23:11:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-11-18 23:11:06,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:11:06,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:11:06,979 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:11:06,980 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:11:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-18 23:11:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 84 transitions. [2018-11-18 23:11:06,983 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 84 transitions. Word has length 39 [2018-11-18 23:11:06,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:11:06,983 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 84 transitions. [2018-11-18 23:11:06,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-11-18 23:11:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2018-11-18 23:11:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 23:11:06,984 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:11:06,984 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:11:06,984 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:11:06,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:11:06,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1087999434, now seen corresponding path program 1 times [2018-11-18 23:11:06,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:11:06,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:11:06,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:11:06,986 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 23:11:06,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:11:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:11:08,478 INFO L256 TraceCheckUtils]: 0: Hoare triple {2991#true} call ULTIMATE.init(); {2991#true} is VALID [2018-11-18 23:11:08,478 INFO L273 TraceCheckUtils]: 1: Hoare triple {2991#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {2991#true} is VALID [2018-11-18 23:11:08,479 INFO L273 TraceCheckUtils]: 2: Hoare triple {2991#true} assume true; {2991#true} is VALID [2018-11-18 23:11:08,479 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2991#true} {2991#true} #86#return; {2991#true} is VALID [2018-11-18 23:11:08,479 INFO L256 TraceCheckUtils]: 4: Hoare triple {2991#true} call #t~ret8 := main(); {2991#true} is VALID [2018-11-18 23:11:08,480 INFO L273 TraceCheckUtils]: 5: Hoare triple {2991#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {2991#true} is VALID [2018-11-18 23:11:08,481 INFO L273 TraceCheckUtils]: 6: Hoare triple {2991#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {2993#(and (<= 2 ~CELLCOUNT~0) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:08,481 INFO L273 TraceCheckUtils]: 7: Hoare triple {2993#(and (<= 2 ~CELLCOUNT~0) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {2994#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,482 INFO L273 TraceCheckUtils]: 8: Hoare triple {2994#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {2994#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,482 INFO L273 TraceCheckUtils]: 9: Hoare triple {2994#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {2995#(and (<= 4 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,483 INFO L273 TraceCheckUtils]: 10: Hoare triple {2995#(and (<= 4 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {2995#(and (<= 4 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,484 INFO L273 TraceCheckUtils]: 11: Hoare triple {2995#(and (<= 4 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~j~0 >= 1); {2995#(and (<= 4 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,485 INFO L273 TraceCheckUtils]: 12: Hoare triple {2995#(and (<= 4 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4) (< 0 (+ ~CELLCOUNT~0 1)))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2995#(and (<= 4 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,486 INFO L273 TraceCheckUtils]: 13: Hoare triple {2995#(and (<= 4 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {2996#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (+ (* 4 main_~j~0) 4))))} is VALID [2018-11-18 23:11:08,487 INFO L273 TraceCheckUtils]: 14: Hoare triple {2996#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (+ (* 4 main_~j~0) 4))))} assume true; {2996#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (+ (* 4 main_~j~0) 4))))} is VALID [2018-11-18 23:11:08,488 INFO L273 TraceCheckUtils]: 15: Hoare triple {2996#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (+ (* 4 main_~j~0) 4))))} assume !!(~j~0 >= 1); {2996#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (+ (* 4 main_~j~0) 4))))} is VALID [2018-11-18 23:11:08,490 INFO L273 TraceCheckUtils]: 16: Hoare triple {2996#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (+ (* 4 main_~j~0) 4))))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2997#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (= |main_~#volArray~0.offset| 0) (or (and (= main_~j~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)))) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (+ (* 4 main_~j~0) 4))) (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0))) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,491 INFO L273 TraceCheckUtils]: 17: Hoare triple {2997#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (= |main_~#volArray~0.offset| 0) (or (and (= main_~j~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)))) (= (+ |main_~#volArray~0.offset| (* 16 main_~i~0)) (+ (* 4 main_~j~0) 4))) (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0))) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {2998#(and (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (and (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 4)) (<= (+ main_~MINVAL~0 1) (div (+ (- 4) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)))))} is VALID [2018-11-18 23:11:08,493 INFO L273 TraceCheckUtils]: 18: Hoare triple {2998#(and (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (and (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 4)) (<= (+ main_~MINVAL~0 1) (div (+ (- 4) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)))))} assume true; {2998#(and (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (and (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 4)) (<= (+ main_~MINVAL~0 1) (div (+ (- 4) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)))))} is VALID [2018-11-18 23:11:08,494 INFO L273 TraceCheckUtils]: 19: Hoare triple {2998#(and (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (and (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 4)) (<= (+ main_~MINVAL~0 1) (div (+ (- 4) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)))))} assume !!(~j~0 >= 1); {2998#(and (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (and (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 4)) (<= (+ main_~MINVAL~0 1) (div (+ (- 4) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)))))} is VALID [2018-11-18 23:11:08,495 INFO L273 TraceCheckUtils]: 20: Hoare triple {2998#(and (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)) (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (and (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) 4)) (<= (+ main_~MINVAL~0 1) (div (+ (- 4) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)))))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {2999#(and (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (and (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (<= (+ main_~MINVAL~0 1) (div (+ (- 4) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,497 INFO L273 TraceCheckUtils]: 21: Hoare triple {2999#(and (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (and (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (<= (+ main_~MINVAL~0 1) (div (+ (- 4) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))) 4)))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3000#(and (or (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 4)) (<= (+ main_~MINVAL~0 1) main_~j~0) (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,498 INFO L273 TraceCheckUtils]: 22: Hoare triple {3000#(and (or (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 4)) (<= (+ main_~MINVAL~0 1) main_~j~0) (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {3000#(and (or (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 4)) (<= (+ main_~MINVAL~0 1) main_~j~0) (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,499 INFO L273 TraceCheckUtils]: 23: Hoare triple {3000#(and (or (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 4)) (<= (+ main_~MINVAL~0 1) main_~j~0) (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~j~0 >= 1); {3000#(and (or (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 4)) (<= (+ main_~MINVAL~0 1) main_~j~0) (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,501 INFO L273 TraceCheckUtils]: 24: Hoare triple {3000#(and (or (<= (+ main_~MINVAL~0 1) (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) 4)) (<= (+ main_~MINVAL~0 1) main_~j~0) (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3001#(and (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,502 INFO L273 TraceCheckUtils]: 25: Hoare triple {3001#(and (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3001#(and (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,502 INFO L273 TraceCheckUtils]: 26: Hoare triple {3001#(and (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {3001#(and (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,503 INFO L273 TraceCheckUtils]: 27: Hoare triple {3001#(and (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} assume !(~j~0 >= 1); {3001#(and (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,505 INFO L273 TraceCheckUtils]: 28: Hoare triple {3001#(and (or (and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 2 ~CELLCOUNT~0) (<= main_~i~0 0)) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (= |main_~#volArray~0.offset| 0) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3002#(and (= |main_~#volArray~0.offset| 0) (or (and (<= (* 4 main_~i~0) (+ ~CELLCOUNT~0 2)) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4)))) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,506 INFO L273 TraceCheckUtils]: 29: Hoare triple {3002#(and (= |main_~#volArray~0.offset| 0) (or (and (<= (* 4 main_~i~0) (+ ~CELLCOUNT~0 2)) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4)))) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {3002#(and (= |main_~#volArray~0.offset| 0) (or (and (<= (* 4 main_~i~0) (+ ~CELLCOUNT~0 2)) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4)))) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:08,507 INFO L273 TraceCheckUtils]: 30: Hoare triple {3002#(and (= |main_~#volArray~0.offset| 0) (or (and (<= (* 4 main_~i~0) (+ ~CELLCOUNT~0 2)) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4)))) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4))) (< 0 (+ ~CELLCOUNT~0 1)))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {3003#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)))} is VALID [2018-11-18 23:11:08,508 INFO L273 TraceCheckUtils]: 31: Hoare triple {3003#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)))} ~i~0 := 0; {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} is VALID [2018-11-18 23:11:08,508 INFO L273 TraceCheckUtils]: 32: Hoare triple {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} assume true; {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} is VALID [2018-11-18 23:11:08,509 INFO L273 TraceCheckUtils]: 33: Hoare triple {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} is VALID [2018-11-18 23:11:08,510 INFO L273 TraceCheckUtils]: 34: Hoare triple {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} assume #t~short7; {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} is VALID [2018-11-18 23:11:08,510 INFO L256 TraceCheckUtils]: 35: Hoare triple {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {2991#true} is VALID [2018-11-18 23:11:08,511 INFO L273 TraceCheckUtils]: 36: Hoare triple {2991#true} ~cond := #in~cond; {2991#true} is VALID [2018-11-18 23:11:08,511 INFO L273 TraceCheckUtils]: 37: Hoare triple {2991#true} assume !(0 == ~cond); {2991#true} is VALID [2018-11-18 23:11:08,511 INFO L273 TraceCheckUtils]: 38: Hoare triple {2991#true} assume true; {2991#true} is VALID [2018-11-18 23:11:08,512 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {2991#true} {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} #90#return; {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} is VALID [2018-11-18 23:11:08,513 INFO L273 TraceCheckUtils]: 40: Hoare triple {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} is VALID [2018-11-18 23:11:08,514 INFO L273 TraceCheckUtils]: 41: Hoare triple {3004#(and (= |main_~#volArray~0.offset| 0) (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) 4)) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3005#(and (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:08,515 INFO L273 TraceCheckUtils]: 42: Hoare triple {3005#(and (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))) (= |main_~#volArray~0.offset| 0))} assume true; {3005#(and (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:08,515 INFO L273 TraceCheckUtils]: 43: Hoare triple {3005#(and (<= (+ main_~MINVAL~0 1) (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))) (= |main_~#volArray~0.offset| 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {3006#(and |main_#t~short7| (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:08,516 INFO L273 TraceCheckUtils]: 44: Hoare triple {3006#(and |main_#t~short7| (= |main_~#volArray~0.offset| 0))} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {2992#false} is VALID [2018-11-18 23:11:08,516 INFO L256 TraceCheckUtils]: 45: Hoare triple {2992#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {2992#false} is VALID [2018-11-18 23:11:08,516 INFO L273 TraceCheckUtils]: 46: Hoare triple {2992#false} ~cond := #in~cond; {2992#false} is VALID [2018-11-18 23:11:08,516 INFO L273 TraceCheckUtils]: 47: Hoare triple {2992#false} assume 0 == ~cond; {2992#false} is VALID [2018-11-18 23:11:08,516 INFO L273 TraceCheckUtils]: 48: Hoare triple {2992#false} assume !false; {2992#false} is VALID [2018-11-18 23:11:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:11:08,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 23:11:08,530 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 23:11:08,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:11:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:11:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:11:08,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 23:11:08,737 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 18 treesize of output 15 [2018-11-18 23:11:08,742 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 15 treesize of output 14 [2018-11-18 23:11:08,746 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:11:08,748 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:11:08,760 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:11:08,760 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-11-18 23:11:08,868 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 31 treesize of output 26 [2018-11-18 23:11:08,874 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:11:08,877 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:11:08,878 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 56 [2018-11-18 23:11:08,884 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:11:08,897 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:11:08,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:11:08,911 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:43, output treesize:39 [2018-11-18 23:11:09,132 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 38 treesize of output 31 [2018-11-18 23:11:09,143 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:11:09,145 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:11:09,146 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:11:09,148 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:11:09,150 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:11:09,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 99 [2018-11-18 23:11:09,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:11:09,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:11:09,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 23:11:09,199 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:52, output treesize:48 [2018-11-18 23:11:09,227 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 23:11:10,406 INFO L256 TraceCheckUtils]: 0: Hoare triple {2991#true} call ULTIMATE.init(); {2991#true} is VALID [2018-11-18 23:11:10,406 INFO L273 TraceCheckUtils]: 1: Hoare triple {2991#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {2991#true} is VALID [2018-11-18 23:11:10,406 INFO L273 TraceCheckUtils]: 2: Hoare triple {2991#true} assume true; {2991#true} is VALID [2018-11-18 23:11:10,406 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2991#true} {2991#true} #86#return; {2991#true} is VALID [2018-11-18 23:11:10,407 INFO L256 TraceCheckUtils]: 4: Hoare triple {2991#true} call #t~ret8 := main(); {2991#true} is VALID [2018-11-18 23:11:10,407 INFO L273 TraceCheckUtils]: 5: Hoare triple {2991#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {2991#true} is VALID [2018-11-18 23:11:10,407 INFO L273 TraceCheckUtils]: 6: Hoare triple {2991#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {3028#(and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:10,408 INFO L273 TraceCheckUtils]: 7: Hoare triple {3028#(and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {3032#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:10,408 INFO L273 TraceCheckUtils]: 8: Hoare triple {3032#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume true; {3032#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:10,409 INFO L273 TraceCheckUtils]: 9: Hoare triple {3032#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {3039#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:11:10,409 INFO L273 TraceCheckUtils]: 10: Hoare triple {3039#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume true; {3039#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:11:10,410 INFO L273 TraceCheckUtils]: 11: Hoare triple {3039#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume !!(~j~0 >= 1); {3039#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:11:10,410 INFO L273 TraceCheckUtils]: 12: Hoare triple {3039#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3039#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:11:10,411 INFO L273 TraceCheckUtils]: 13: Hoare triple {3039#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3052#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:10,411 INFO L273 TraceCheckUtils]: 14: Hoare triple {3052#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume true; {3052#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:10,412 INFO L273 TraceCheckUtils]: 15: Hoare triple {3052#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume !!(~j~0 >= 1); {3052#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:10,413 INFO L273 TraceCheckUtils]: 16: Hoare triple {3052#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3062#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0))} is VALID [2018-11-18 23:11:10,415 INFO L273 TraceCheckUtils]: 17: Hoare triple {3062#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3066#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} is VALID [2018-11-18 23:11:10,415 INFO L273 TraceCheckUtils]: 18: Hoare triple {3066#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} assume true; {3066#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} is VALID [2018-11-18 23:11:10,416 INFO L273 TraceCheckUtils]: 19: Hoare triple {3066#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} assume !!(~j~0 >= 1); {3066#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} is VALID [2018-11-18 23:11:10,418 INFO L273 TraceCheckUtils]: 20: Hoare triple {3066#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3076#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0) (<= main_~j~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} is VALID [2018-11-18 23:11:10,419 INFO L273 TraceCheckUtils]: 21: Hoare triple {3076#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0) (<= main_~j~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3080#(and (exists ((v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_20)))) (<= v_main_~j~0_20 2))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} is VALID [2018-11-18 23:11:10,421 INFO L273 TraceCheckUtils]: 22: Hoare triple {3080#(and (exists ((v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_20)))) (<= v_main_~j~0_20 2))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} assume true; {3080#(and (exists ((v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_20)))) (<= v_main_~j~0_20 2))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} is VALID [2018-11-18 23:11:10,422 INFO L273 TraceCheckUtils]: 23: Hoare triple {3080#(and (exists ((v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_20)))) (<= v_main_~j~0_20 2))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} assume !!(~j~0 >= 1); {3080#(and (exists ((v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_20)))) (<= v_main_~j~0_20 2))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} is VALID [2018-11-18 23:11:10,425 INFO L273 TraceCheckUtils]: 24: Hoare triple {3080#(and (exists ((v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_20)))) (<= v_main_~j~0_20 2))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 12))) 3))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} is VALID [2018-11-18 23:11:10,426 INFO L273 TraceCheckUtils]: 25: Hoare triple {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} is VALID [2018-11-18 23:11:10,427 INFO L273 TraceCheckUtils]: 26: Hoare triple {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} assume true; {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} is VALID [2018-11-18 23:11:10,428 INFO L273 TraceCheckUtils]: 27: Hoare triple {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} assume !(~j~0 >= 1); {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} is VALID [2018-11-18 23:11:10,429 INFO L273 TraceCheckUtils]: 28: Hoare triple {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} is VALID [2018-11-18 23:11:10,430 INFO L273 TraceCheckUtils]: 29: Hoare triple {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} assume true; {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} is VALID [2018-11-18 23:11:10,431 INFO L273 TraceCheckUtils]: 30: Hoare triple {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} is VALID [2018-11-18 23:11:10,432 INFO L273 TraceCheckUtils]: 31: Hoare triple {3090#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} ~i~0 := 0; {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:10,434 INFO L273 TraceCheckUtils]: 32: Hoare triple {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} assume true; {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:10,441 INFO L273 TraceCheckUtils]: 33: Hoare triple {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:10,442 INFO L273 TraceCheckUtils]: 34: Hoare triple {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} assume #t~short7; {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:10,444 INFO L256 TraceCheckUtils]: 35: Hoare triple {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {3125#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_1| Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) main_~j~0) 16))) (= v_main_~j~0_20 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) v_main_~j~0_20) 16))) (= 3 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 4)) (<= v_main_~j~0_20 2)))} is VALID [2018-11-18 23:11:10,447 INFO L273 TraceCheckUtils]: 36: Hoare triple {3125#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_1| Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) main_~j~0) 16))) (= v_main_~j~0_20 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) v_main_~j~0_20) 16))) (= 3 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 4)) (<= v_main_~j~0_20 2)))} ~cond := #in~cond; {3125#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_1| Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) main_~j~0) 16))) (= v_main_~j~0_20 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) v_main_~j~0_20) 16))) (= 3 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 4)) (<= v_main_~j~0_20 2)))} is VALID [2018-11-18 23:11:10,447 INFO L273 TraceCheckUtils]: 37: Hoare triple {3125#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_1| Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) main_~j~0) 16))) (= v_main_~j~0_20 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) v_main_~j~0_20) 16))) (= 3 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 4)) (<= v_main_~j~0_20 2)))} assume !(0 == ~cond); {3125#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_1| Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) main_~j~0) 16))) (= v_main_~j~0_20 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) v_main_~j~0_20) 16))) (= 3 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 4)) (<= v_main_~j~0_20 2)))} is VALID [2018-11-18 23:11:10,450 INFO L273 TraceCheckUtils]: 38: Hoare triple {3125#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_1| Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) main_~j~0) 16))) (= v_main_~j~0_20 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) v_main_~j~0_20) 16))) (= 3 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 4)) (<= v_main_~j~0_20 2)))} assume true; {3125#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_1| Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) main_~j~0) 16))) (= v_main_~j~0_20 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) v_main_~j~0_20) 16))) (= 3 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 4)) (<= v_main_~j~0_20 2)))} is VALID [2018-11-18 23:11:10,452 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {3125#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_1| Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) main_~j~0) 16))) (= v_main_~j~0_20 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) (+ (* (- 4) v_main_~j~0_20) 16))) (= 3 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_1|) 4)) (<= v_main_~j~0_20 2)))} {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} #90#return; {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:10,452 INFO L273 TraceCheckUtils]: 40: Hoare triple {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:10,454 INFO L273 TraceCheckUtils]: 41: Hoare triple {3112#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3144#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} is VALID [2018-11-18 23:11:10,454 INFO L273 TraceCheckUtils]: 42: Hoare triple {3144#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} assume true; {3144#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} is VALID [2018-11-18 23:11:10,456 INFO L273 TraceCheckUtils]: 43: Hoare triple {3144#(and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 4)) 3) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int) (v_main_~j~0_20 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_20) (= v_main_~j~0_20 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_20) 16))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= v_main_~j~0_20 2))))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {3151#|main_#t~short7|} is VALID [2018-11-18 23:11:10,456 INFO L273 TraceCheckUtils]: 44: Hoare triple {3151#|main_#t~short7|} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {2992#false} is VALID [2018-11-18 23:11:10,457 INFO L256 TraceCheckUtils]: 45: Hoare triple {2992#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {2992#false} is VALID [2018-11-18 23:11:10,457 INFO L273 TraceCheckUtils]: 46: Hoare triple {2992#false} ~cond := #in~cond; {2992#false} is VALID [2018-11-18 23:11:10,457 INFO L273 TraceCheckUtils]: 47: Hoare triple {2992#false} assume 0 == ~cond; {2992#false} is VALID [2018-11-18 23:11:10,457 INFO L273 TraceCheckUtils]: 48: Hoare triple {2992#false} assume !false; {2992#false} is VALID [2018-11-18 23:11:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:11:10,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 23:11:10,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2018-11-18 23:11:10,491 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 49 [2018-11-18 23:11:10,491 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:11:10,491 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states. [2018-11-18 23:11:10,658 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:11:10,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-18 23:11:10,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-18 23:11:10,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=695, Unknown=0, NotChecked=0, Total=812 [2018-11-18 23:11:10,659 INFO L87 Difference]: Start difference. First operand 77 states and 84 transitions. Second operand 29 states. [2018-11-18 23:11:16,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:11:16,471 INFO L93 Difference]: Finished difference Result 171 states and 195 transitions. [2018-11-18 23:11:16,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-18 23:11:16,471 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 49 [2018-11-18 23:11:16,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:11:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-18 23:11:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 157 transitions. [2018-11-18 23:11:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-18 23:11:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 157 transitions. [2018-11-18 23:11:16,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 157 transitions. [2018-11-18 23:11:16,756 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 157 edges. 157 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:11:16,760 INFO L225 Difference]: With dead ends: 171 [2018-11-18 23:11:16,760 INFO L226 Difference]: Without dead ends: 154 [2018-11-18 23:11:16,762 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=533, Invalid=2329, Unknown=0, NotChecked=0, Total=2862 [2018-11-18 23:11:16,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-18 23:11:17,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 108. [2018-11-18 23:11:17,199 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:11:17,199 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states. Second operand 108 states. [2018-11-18 23:11:17,200 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 108 states. [2018-11-18 23:11:17,200 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 108 states. [2018-11-18 23:11:17,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:11:17,205 INFO L93 Difference]: Finished difference Result 154 states and 175 transitions. [2018-11-18 23:11:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 175 transitions. [2018-11-18 23:11:17,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:11:17,206 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:11:17,206 INFO L74 IsIncluded]: Start isIncluded. First operand 108 states. Second operand 154 states. [2018-11-18 23:11:17,206 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 154 states. [2018-11-18 23:11:17,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:11:17,212 INFO L93 Difference]: Finished difference Result 154 states and 175 transitions. [2018-11-18 23:11:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 175 transitions. [2018-11-18 23:11:17,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:11:17,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:11:17,213 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:11:17,213 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:11:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-18 23:11:17,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2018-11-18 23:11:17,216 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 49 [2018-11-18 23:11:17,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:11:17,217 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2018-11-18 23:11:17,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-18 23:11:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2018-11-18 23:11:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 23:11:17,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:11:17,218 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:11:17,218 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:11:17,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:11:17,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1694921185, now seen corresponding path program 2 times [2018-11-18 23:11:17,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:11:17,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:11:17,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:11:17,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:11:17,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:11:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:11:18,174 INFO L256 TraceCheckUtils]: 0: Hoare triple {3889#true} call ULTIMATE.init(); {3889#true} is VALID [2018-11-18 23:11:18,175 INFO L273 TraceCheckUtils]: 1: Hoare triple {3889#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {3889#true} is VALID [2018-11-18 23:11:18,175 INFO L273 TraceCheckUtils]: 2: Hoare triple {3889#true} assume true; {3889#true} is VALID [2018-11-18 23:11:18,175 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3889#true} {3889#true} #86#return; {3889#true} is VALID [2018-11-18 23:11:18,176 INFO L256 TraceCheckUtils]: 4: Hoare triple {3889#true} call #t~ret8 := main(); {3889#true} is VALID [2018-11-18 23:11:18,176 INFO L273 TraceCheckUtils]: 5: Hoare triple {3889#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {3889#true} is VALID [2018-11-18 23:11:18,196 INFO L273 TraceCheckUtils]: 6: Hoare triple {3889#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {3891#(<= 2 ~CELLCOUNT~0)} is VALID [2018-11-18 23:11:18,207 INFO L273 TraceCheckUtils]: 7: Hoare triple {3891#(<= 2 ~CELLCOUNT~0)} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {3892#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,218 INFO L273 TraceCheckUtils]: 8: Hoare triple {3892#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} assume true; {3892#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,219 INFO L273 TraceCheckUtils]: 9: Hoare triple {3892#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {3893#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 4 main_~j~0) (= main_~i~0 1) (<= main_~j~0 4) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,219 INFO L273 TraceCheckUtils]: 10: Hoare triple {3893#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 4 main_~j~0) (= main_~i~0 1) (<= main_~j~0 4) (< 0 (div ~CELLCOUNT~0 4)))} assume true; {3893#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 4 main_~j~0) (= main_~i~0 1) (<= main_~j~0 4) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,220 INFO L273 TraceCheckUtils]: 11: Hoare triple {3893#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 4 main_~j~0) (= main_~i~0 1) (<= main_~j~0 4) (< 0 (div ~CELLCOUNT~0 4)))} assume !!(~j~0 >= 1); {3893#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 4 main_~j~0) (= main_~i~0 1) (<= main_~j~0 4) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,220 INFO L273 TraceCheckUtils]: 12: Hoare triple {3893#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 4 main_~j~0) (= main_~i~0 1) (<= main_~j~0 4) (< 0 (div ~CELLCOUNT~0 4)))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3893#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 4 main_~j~0) (= main_~i~0 1) (<= main_~j~0 4) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,221 INFO L273 TraceCheckUtils]: 13: Hoare triple {3893#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= 4 main_~j~0) (= main_~i~0 1) (<= main_~j~0 4) (< 0 (div ~CELLCOUNT~0 4)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3894#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~j~0 3) (= main_~i~0 1) (<= 3 main_~j~0) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,221 INFO L273 TraceCheckUtils]: 14: Hoare triple {3894#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~j~0 3) (= main_~i~0 1) (<= 3 main_~j~0) (< 0 (div ~CELLCOUNT~0 4)))} assume true; {3894#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~j~0 3) (= main_~i~0 1) (<= 3 main_~j~0) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,222 INFO L273 TraceCheckUtils]: 15: Hoare triple {3894#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~j~0 3) (= main_~i~0 1) (<= 3 main_~j~0) (< 0 (div ~CELLCOUNT~0 4)))} assume !!(~j~0 >= 1); {3894#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~j~0 3) (= main_~i~0 1) (<= 3 main_~j~0) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,223 INFO L273 TraceCheckUtils]: 16: Hoare triple {3894#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~j~0 3) (= main_~i~0 1) (<= 3 main_~j~0) (< 0 (div ~CELLCOUNT~0 4)))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3894#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~j~0 3) (= main_~i~0 1) (<= 3 main_~j~0) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,224 INFO L273 TraceCheckUtils]: 17: Hoare triple {3894#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~j~0 3) (= main_~i~0 1) (<= 3 main_~j~0) (< 0 (div ~CELLCOUNT~0 4)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3895#(and (<= 2 main_~j~0) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (<= main_~j~0 2) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,225 INFO L273 TraceCheckUtils]: 18: Hoare triple {3895#(and (<= 2 main_~j~0) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (<= main_~j~0 2) (< 0 (div ~CELLCOUNT~0 4)))} assume true; {3895#(and (<= 2 main_~j~0) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (<= main_~j~0 2) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,225 INFO L273 TraceCheckUtils]: 19: Hoare triple {3895#(and (<= 2 main_~j~0) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (<= main_~j~0 2) (< 0 (div ~CELLCOUNT~0 4)))} assume !!(~j~0 >= 1); {3895#(and (<= 2 main_~j~0) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (<= main_~j~0 2) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,227 INFO L273 TraceCheckUtils]: 20: Hoare triple {3895#(and (<= 2 main_~j~0) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (<= main_~j~0 2) (< 0 (div ~CELLCOUNT~0 4)))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3896#(and (<= 2 main_~j~0) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~j~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)))) (= main_~i~0 1) (<= main_~MINVAL~0 main_~j~0) (<= main_~j~0 2) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,228 INFO L273 TraceCheckUtils]: 21: Hoare triple {3896#(and (<= 2 main_~j~0) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~j~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)))) (= main_~i~0 1) (<= main_~MINVAL~0 main_~j~0) (<= main_~j~0 2) (< 0 (div ~CELLCOUNT~0 4)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3897#(and (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,229 INFO L273 TraceCheckUtils]: 22: Hoare triple {3897#(and (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} assume true; {3897#(and (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,230 INFO L273 TraceCheckUtils]: 23: Hoare triple {3897#(and (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} assume !!(~j~0 >= 1); {3897#(and (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,232 INFO L273 TraceCheckUtils]: 24: Hoare triple {3897#(and (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3898#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,233 INFO L273 TraceCheckUtils]: 25: Hoare triple {3898#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3898#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,234 INFO L273 TraceCheckUtils]: 26: Hoare triple {3898#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} assume true; {3898#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,235 INFO L273 TraceCheckUtils]: 27: Hoare triple {3898#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} assume !(~j~0 >= 1); {3898#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,236 INFO L273 TraceCheckUtils]: 28: Hoare triple {3898#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 2)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))) (= main_~i~0 1) (< 0 (div ~CELLCOUNT~0 4)))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3899#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= (* 4 main_~i~0) 8) (or (<= (* 4 main_~i~0) 7) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 main_~i~0) (- 6))) |main_~#volArray~0.offset|)))) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,237 INFO L273 TraceCheckUtils]: 29: Hoare triple {3899#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= (* 4 main_~i~0) 8) (or (<= (* 4 main_~i~0) 7) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 main_~i~0) (- 6))) |main_~#volArray~0.offset|)))) (< 0 (div ~CELLCOUNT~0 4)))} assume true; {3899#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= (* 4 main_~i~0) 8) (or (<= (* 4 main_~i~0) 7) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 main_~i~0) (- 6))) |main_~#volArray~0.offset|)))) (< 0 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,239 INFO L273 TraceCheckUtils]: 30: Hoare triple {3899#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= (* 4 main_~i~0) 8) (or (<= (* 4 main_~i~0) 7) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 main_~i~0) (- 6))) |main_~#volArray~0.offset|)))) (< 0 (div ~CELLCOUNT~0 4)))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {3900#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} is VALID [2018-11-18 23:11:18,240 INFO L273 TraceCheckUtils]: 31: Hoare triple {3900#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} ~i~0 := 0; {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} is VALID [2018-11-18 23:11:18,240 INFO L273 TraceCheckUtils]: 32: Hoare triple {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} assume true; {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} is VALID [2018-11-18 23:11:18,246 INFO L273 TraceCheckUtils]: 33: Hoare triple {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} is VALID [2018-11-18 23:11:18,246 INFO L273 TraceCheckUtils]: 34: Hoare triple {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} assume #t~short7; {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} is VALID [2018-11-18 23:11:18,247 INFO L256 TraceCheckUtils]: 35: Hoare triple {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {3889#true} is VALID [2018-11-18 23:11:18,247 INFO L273 TraceCheckUtils]: 36: Hoare triple {3889#true} ~cond := #in~cond; {3889#true} is VALID [2018-11-18 23:11:18,247 INFO L273 TraceCheckUtils]: 37: Hoare triple {3889#true} assume !(0 == ~cond); {3889#true} is VALID [2018-11-18 23:11:18,247 INFO L273 TraceCheckUtils]: 38: Hoare triple {3889#true} assume true; {3889#true} is VALID [2018-11-18 23:11:18,248 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {3889#true} {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} #90#return; {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} is VALID [2018-11-18 23:11:18,248 INFO L273 TraceCheckUtils]: 40: Hoare triple {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} is VALID [2018-11-18 23:11:18,249 INFO L273 TraceCheckUtils]: 41: Hoare triple {3901#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (= main_~i~0 0) (<= 1 (div ~CELLCOUNT~0 4)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 2))) |main_~#volArray~0.offset|))))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,249 INFO L273 TraceCheckUtils]: 42: Hoare triple {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} assume true; {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,250 INFO L273 TraceCheckUtils]: 43: Hoare triple {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,251 INFO L273 TraceCheckUtils]: 44: Hoare triple {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} assume #t~short7; {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,251 INFO L256 TraceCheckUtils]: 45: Hoare triple {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {3889#true} is VALID [2018-11-18 23:11:18,251 INFO L273 TraceCheckUtils]: 46: Hoare triple {3889#true} ~cond := #in~cond; {3889#true} is VALID [2018-11-18 23:11:18,252 INFO L273 TraceCheckUtils]: 47: Hoare triple {3889#true} assume !(0 == ~cond); {3889#true} is VALID [2018-11-18 23:11:18,252 INFO L273 TraceCheckUtils]: 48: Hoare triple {3889#true} assume true; {3889#true} is VALID [2018-11-18 23:11:18,253 INFO L268 TraceCheckUtils]: 49: Hoare quadruple {3889#true} {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} #90#return; {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,253 INFO L273 TraceCheckUtils]: 50: Hoare triple {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} is VALID [2018-11-18 23:11:18,255 INFO L273 TraceCheckUtils]: 51: Hoare triple {3902#(and (<= (* 4 (div ~CELLCOUNT~0 4)) 4) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ main_~i~0 (+ (* 4 (div ~CELLCOUNT~0 4)) (- 3)))) |main_~#volArray~0.offset|))) (<= 1 (div ~CELLCOUNT~0 4)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3903#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))} is VALID [2018-11-18 23:11:18,255 INFO L273 TraceCheckUtils]: 52: Hoare triple {3903#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))} assume true; {3903#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))} is VALID [2018-11-18 23:11:18,256 INFO L273 TraceCheckUtils]: 53: Hoare triple {3903#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {3904#|main_#t~short7|} is VALID [2018-11-18 23:11:18,257 INFO L273 TraceCheckUtils]: 54: Hoare triple {3904#|main_#t~short7|} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {3890#false} is VALID [2018-11-18 23:11:18,257 INFO L256 TraceCheckUtils]: 55: Hoare triple {3890#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {3890#false} is VALID [2018-11-18 23:11:18,257 INFO L273 TraceCheckUtils]: 56: Hoare triple {3890#false} ~cond := #in~cond; {3890#false} is VALID [2018-11-18 23:11:18,257 INFO L273 TraceCheckUtils]: 57: Hoare triple {3890#false} assume 0 == ~cond; {3890#false} is VALID [2018-11-18 23:11:18,257 INFO L273 TraceCheckUtils]: 58: Hoare triple {3890#false} assume !false; {3890#false} is VALID [2018-11-18 23:11:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 23:11:18,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 23:11:18,271 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 23:11:18,283 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 23:11:18,305 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 23:11:18,305 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 23:11:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:11:18,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 23:11:18,511 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 16 treesize of output 13 [2018-11-18 23:11:18,515 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 13 treesize of output 12 [2018-11-18 23:11:18,517 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:11:18,521 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:11:18,529 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:11:18,529 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-11-18 23:11:18,607 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 26 treesize of output 21 [2018-11-18 23:11:18,618 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:11:18,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2018-11-18 23:11:18,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-18 23:11:18,644 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 23:11:18,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 23:11:18,666 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:45 [2018-11-18 23:11:18,670 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 23:11:19,637 INFO L256 TraceCheckUtils]: 0: Hoare triple {3889#true} call ULTIMATE.init(); {3889#true} is VALID [2018-11-18 23:11:19,638 INFO L273 TraceCheckUtils]: 1: Hoare triple {3889#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {3889#true} is VALID [2018-11-18 23:11:19,638 INFO L273 TraceCheckUtils]: 2: Hoare triple {3889#true} assume true; {3889#true} is VALID [2018-11-18 23:11:19,638 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3889#true} {3889#true} #86#return; {3889#true} is VALID [2018-11-18 23:11:19,638 INFO L256 TraceCheckUtils]: 4: Hoare triple {3889#true} call #t~ret8 := main(); {3889#true} is VALID [2018-11-18 23:11:19,638 INFO L273 TraceCheckUtils]: 5: Hoare triple {3889#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {3889#true} is VALID [2018-11-18 23:11:19,639 INFO L273 TraceCheckUtils]: 6: Hoare triple {3889#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {3926#(and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:19,639 INFO L273 TraceCheckUtils]: 7: Hoare triple {3926#(and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {3930#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:19,640 INFO L273 TraceCheckUtils]: 8: Hoare triple {3930#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume true; {3930#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:19,640 INFO L273 TraceCheckUtils]: 9: Hoare triple {3930#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {3937#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:11:19,641 INFO L273 TraceCheckUtils]: 10: Hoare triple {3937#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume true; {3937#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:11:19,641 INFO L273 TraceCheckUtils]: 11: Hoare triple {3937#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume !!(~j~0 >= 1); {3937#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:11:19,642 INFO L273 TraceCheckUtils]: 12: Hoare triple {3937#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3937#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:11:19,643 INFO L273 TraceCheckUtils]: 13: Hoare triple {3937#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3950#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:19,643 INFO L273 TraceCheckUtils]: 14: Hoare triple {3950#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume true; {3950#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:19,644 INFO L273 TraceCheckUtils]: 15: Hoare triple {3950#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume !!(~j~0 >= 1); {3950#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:19,645 INFO L273 TraceCheckUtils]: 16: Hoare triple {3950#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3950#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:19,646 INFO L273 TraceCheckUtils]: 17: Hoare triple {3950#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3963#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:19,646 INFO L273 TraceCheckUtils]: 18: Hoare triple {3963#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume true; {3963#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:19,647 INFO L273 TraceCheckUtils]: 19: Hoare triple {3963#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume !!(~j~0 >= 1); {3963#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:11:19,648 INFO L273 TraceCheckUtils]: 20: Hoare triple {3963#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3973#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} is VALID [2018-11-18 23:11:19,649 INFO L273 TraceCheckUtils]: 21: Hoare triple {3973#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3973#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} is VALID [2018-11-18 23:11:19,650 INFO L273 TraceCheckUtils]: 22: Hoare triple {3973#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} assume true; {3973#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} is VALID [2018-11-18 23:11:19,651 INFO L273 TraceCheckUtils]: 23: Hoare triple {3973#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} assume !!(~j~0 >= 1); {3973#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} is VALID [2018-11-18 23:11:19,653 INFO L273 TraceCheckUtils]: 24: Hoare triple {3973#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,654 INFO L273 TraceCheckUtils]: 25: Hoare triple {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,654 INFO L273 TraceCheckUtils]: 26: Hoare triple {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} assume true; {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,655 INFO L273 TraceCheckUtils]: 27: Hoare triple {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} assume !(~j~0 >= 1); {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,656 INFO L273 TraceCheckUtils]: 28: Hoare triple {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,656 INFO L273 TraceCheckUtils]: 29: Hoare triple {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} assume true; {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,657 INFO L273 TraceCheckUtils]: 30: Hoare triple {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,658 INFO L273 TraceCheckUtils]: 31: Hoare triple {3986#(or (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} ~i~0 := 0; {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} is VALID [2018-11-18 23:11:19,659 INFO L273 TraceCheckUtils]: 32: Hoare triple {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} assume true; {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} is VALID [2018-11-18 23:11:19,660 INFO L273 TraceCheckUtils]: 33: Hoare triple {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} is VALID [2018-11-18 23:11:19,660 INFO L273 TraceCheckUtils]: 34: Hoare triple {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} assume #t~short7; {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} is VALID [2018-11-18 23:11:19,665 INFO L256 TraceCheckUtils]: 35: Hoare triple {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} is VALID [2018-11-18 23:11:19,666 INFO L273 TraceCheckUtils]: 36: Hoare triple {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} ~cond := #in~cond; {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} is VALID [2018-11-18 23:11:19,666 INFO L273 TraceCheckUtils]: 37: Hoare triple {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} assume !(0 == ~cond); {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} is VALID [2018-11-18 23:11:19,667 INFO L273 TraceCheckUtils]: 38: Hoare triple {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} assume true; {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} is VALID [2018-11-18 23:11:19,667 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} #90#return; {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} is VALID [2018-11-18 23:11:19,668 INFO L273 TraceCheckUtils]: 40: Hoare triple {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} is VALID [2018-11-18 23:11:19,669 INFO L273 TraceCheckUtils]: 41: Hoare triple {4008#(or (and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0) (= main_~i~0 0)) (and (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,669 INFO L273 TraceCheckUtils]: 42: Hoare triple {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} assume true; {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,669 INFO L273 TraceCheckUtils]: 43: Hoare triple {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,670 INFO L273 TraceCheckUtils]: 44: Hoare triple {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} assume #t~short7; {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,673 INFO L256 TraceCheckUtils]: 45: Hoare triple {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} is VALID [2018-11-18 23:11:19,674 INFO L273 TraceCheckUtils]: 46: Hoare triple {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} ~cond := #in~cond; {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} is VALID [2018-11-18 23:11:19,674 INFO L273 TraceCheckUtils]: 47: Hoare triple {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} assume !(0 == ~cond); {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} is VALID [2018-11-18 23:11:19,675 INFO L273 TraceCheckUtils]: 48: Hoare triple {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} assume true; {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} is VALID [2018-11-18 23:11:19,676 INFO L268 TraceCheckUtils]: 49: Hoare quadruple {4021#(or (exists ((v_prenex_3 Int)) (= (select (select |#memory_int| v_prenex_3) 8) 0)) (exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_2| Int)) (and (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) (+ (* (- 4) main_~j~0) 16))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_2|) 8) 2))))} {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} #90#return; {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,676 INFO L273 TraceCheckUtils]: 50: Hoare triple {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,677 INFO L273 TraceCheckUtils]: 51: Hoare triple {4040#(or (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4071#(or (and (= main_~i~0 2) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)) (and (= main_~i~0 2) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} is VALID [2018-11-18 23:11:19,678 INFO L273 TraceCheckUtils]: 52: Hoare triple {4071#(or (and (= main_~i~0 2) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)) (and (= main_~i~0 2) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} assume true; {4071#(or (and (= main_~i~0 2) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)) (and (= main_~i~0 2) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} is VALID [2018-11-18 23:11:19,679 INFO L273 TraceCheckUtils]: 53: Hoare triple {4071#(or (and (= main_~i~0 2) (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)) (and (= main_~i~0 2) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((main_~j~0 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {4078#(or (and (exists ((v_prenex_7 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_prenex_7) 16)) 0)) (= main_~i~0 2) |main_#t~short7| (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0)) (and (= main_~i~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} is VALID [2018-11-18 23:11:19,680 INFO L273 TraceCheckUtils]: 54: Hoare triple {4078#(or (and (exists ((v_prenex_7 Int)) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_prenex_7) 16)) 0)) (= main_~i~0 2) |main_#t~short7| (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0)) (and (= main_~i~0 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 0)))} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {3904#|main_#t~short7|} is VALID [2018-11-18 23:11:19,681 INFO L256 TraceCheckUtils]: 55: Hoare triple {3904#|main_#t~short7|} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {4085#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-18 23:11:19,682 INFO L273 TraceCheckUtils]: 56: Hoare triple {4085#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {4089#(= 1 __VERIFIER_assert_~cond)} is VALID [2018-11-18 23:11:19,683 INFO L273 TraceCheckUtils]: 57: Hoare triple {4089#(= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {3890#false} is VALID [2018-11-18 23:11:19,683 INFO L273 TraceCheckUtils]: 58: Hoare triple {3890#false} assume !false; {3890#false} is VALID [2018-11-18 23:11:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 23:11:19,724 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 23:11:19,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 30 [2018-11-18 23:11:19,725 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 59 [2018-11-18 23:11:19,725 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:11:19,725 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states. [2018-11-18 23:11:19,874 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:11:19,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-18 23:11:19,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-18 23:11:19,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2018-11-18 23:11:19,875 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand 30 states. [2018-11-18 23:11:27,449 WARN L180 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2018-11-18 23:11:29,239 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2018-11-18 23:11:32,208 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2018-11-18 23:11:32,722 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-11-18 23:11:34,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:11:34,908 INFO L93 Difference]: Finished difference Result 171 states and 191 transitions. [2018-11-18 23:11:34,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-18 23:11:34,909 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 59 [2018-11-18 23:11:34,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:11:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-18 23:11:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 134 transitions. [2018-11-18 23:11:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-18 23:11:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 134 transitions. [2018-11-18 23:11:34,915 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 134 transitions. [2018-11-18 23:11:35,626 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 134 edges. 134 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:11:35,629 INFO L225 Difference]: With dead ends: 171 [2018-11-18 23:11:35,629 INFO L226 Difference]: Without dead ends: 154 [2018-11-18 23:11:35,631 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=438, Invalid=2747, Unknown=7, NotChecked=0, Total=3192 [2018-11-18 23:11:35,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-18 23:11:36,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 135. [2018-11-18 23:11:36,619 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:11:36,619 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states. Second operand 135 states. [2018-11-18 23:11:36,619 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand 135 states. [2018-11-18 23:11:36,619 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 135 states. [2018-11-18 23:11:36,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:11:36,624 INFO L93 Difference]: Finished difference Result 154 states and 172 transitions. [2018-11-18 23:11:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2018-11-18 23:11:36,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:11:36,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:11:36,625 INFO L74 IsIncluded]: Start isIncluded. First operand 135 states. Second operand 154 states. [2018-11-18 23:11:36,626 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 154 states. [2018-11-18 23:11:36,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:11:36,630 INFO L93 Difference]: Finished difference Result 154 states and 172 transitions. [2018-11-18 23:11:36,631 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2018-11-18 23:11:36,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:11:36,631 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:11:36,631 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:11:36,632 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:11:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-18 23:11:36,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 151 transitions. [2018-11-18 23:11:36,635 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 151 transitions. Word has length 59 [2018-11-18 23:11:36,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:11:36,636 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 151 transitions. [2018-11-18 23:11:36,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-11-18 23:11:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 151 transitions. [2018-11-18 23:11:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 23:11:36,637 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:11:36,637 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:11:36,637 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:11:36,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:11:36,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1023993908, now seen corresponding path program 3 times [2018-11-18 23:11:36,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:11:36,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:11:36,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:11:36,639 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 23:11:36,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:11:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:11:37,139 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2018-11-18 23:11:37,566 INFO L256 TraceCheckUtils]: 0: Hoare triple {4860#true} call ULTIMATE.init(); {4860#true} is VALID [2018-11-18 23:11:37,567 INFO L273 TraceCheckUtils]: 1: Hoare triple {4860#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {4860#true} is VALID [2018-11-18 23:11:37,567 INFO L273 TraceCheckUtils]: 2: Hoare triple {4860#true} assume true; {4860#true} is VALID [2018-11-18 23:11:37,567 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4860#true} {4860#true} #86#return; {4860#true} is VALID [2018-11-18 23:11:37,567 INFO L256 TraceCheckUtils]: 4: Hoare triple {4860#true} call #t~ret8 := main(); {4860#true} is VALID [2018-11-18 23:11:37,567 INFO L273 TraceCheckUtils]: 5: Hoare triple {4860#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {4860#true} is VALID [2018-11-18 23:11:37,568 INFO L273 TraceCheckUtils]: 6: Hoare triple {4860#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {4862#(and (<= 2 ~CELLCOUNT~0) (<= main_~MINVAL~0 2))} is VALID [2018-11-18 23:11:37,569 INFO L273 TraceCheckUtils]: 7: Hoare triple {4862#(and (<= 2 ~CELLCOUNT~0) (<= main_~MINVAL~0 2))} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,570 INFO L273 TraceCheckUtils]: 8: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,570 INFO L273 TraceCheckUtils]: 9: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,571 INFO L273 TraceCheckUtils]: 10: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,572 INFO L273 TraceCheckUtils]: 11: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~j~0 >= 1); {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,573 INFO L273 TraceCheckUtils]: 12: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,573 INFO L273 TraceCheckUtils]: 13: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,574 INFO L273 TraceCheckUtils]: 14: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,575 INFO L273 TraceCheckUtils]: 15: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~j~0 >= 1); {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,576 INFO L273 TraceCheckUtils]: 16: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,577 INFO L273 TraceCheckUtils]: 17: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,577 INFO L273 TraceCheckUtils]: 18: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,578 INFO L273 TraceCheckUtils]: 19: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~j~0 >= 1); {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,579 INFO L273 TraceCheckUtils]: 20: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,580 INFO L273 TraceCheckUtils]: 21: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,581 INFO L273 TraceCheckUtils]: 22: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,581 INFO L273 TraceCheckUtils]: 23: Hoare triple {4863#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume !!(~j~0 >= 1); {4864#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (<= 1 main_~j~0) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,583 INFO L273 TraceCheckUtils]: 24: Hoare triple {4864#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~MINVAL~0 2) (<= 1 main_~j~0) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {4865#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~j~0 1) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)))) (<= 1 main_~j~0) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,584 INFO L273 TraceCheckUtils]: 25: Hoare triple {4865#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= main_~j~0 1) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)))) (<= 1 main_~j~0) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {4866#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 1)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))))} is VALID [2018-11-18 23:11:37,585 INFO L273 TraceCheckUtils]: 26: Hoare triple {4866#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 1)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))))} assume true; {4866#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 1)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))))} is VALID [2018-11-18 23:11:37,586 INFO L273 TraceCheckUtils]: 27: Hoare triple {4866#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 1)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))))} assume !(~j~0 >= 1); {4866#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 1)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))))} is VALID [2018-11-18 23:11:37,588 INFO L273 TraceCheckUtils]: 28: Hoare triple {4866#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (= main_~i~0 1) (< 0 (+ ~CELLCOUNT~0 1)) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (- 1)) (+ |main_~#volArray~0.offset| (* 16 main_~i~0))))))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4867#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= (* 4 main_~i~0) 8) (or (<= (* 4 main_~i~0) 7) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 main_~i~0) (- 5))) |main_~#volArray~0.offset|)))) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,588 INFO L273 TraceCheckUtils]: 29: Hoare triple {4867#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= (* 4 main_~i~0) 8) (or (<= (* 4 main_~i~0) 7) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 main_~i~0) (- 5))) |main_~#volArray~0.offset|)))) (< 0 (+ ~CELLCOUNT~0 1)))} assume true; {4867#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= (* 4 main_~i~0) 8) (or (<= (* 4 main_~i~0) 7) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 main_~i~0) (- 5))) |main_~#volArray~0.offset|)))) (< 0 (+ ~CELLCOUNT~0 1)))} is VALID [2018-11-18 23:11:37,590 INFO L273 TraceCheckUtils]: 30: Hoare triple {4867#(and (= ~CELLCOUNT~0 (* 4 (div ~CELLCOUNT~0 4))) (<= (* 4 main_~i~0) 8) (or (<= (* 4 main_~i~0) 7) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ (* 4 main_~i~0) (- 5))) |main_~#volArray~0.offset|)))) (< 0 (+ ~CELLCOUNT~0 1)))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {4868#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))))} is VALID [2018-11-18 23:11:37,591 INFO L273 TraceCheckUtils]: 31: Hoare triple {4868#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))))} ~i~0 := 0; {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:37,592 INFO L273 TraceCheckUtils]: 32: Hoare triple {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} assume true; {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:37,593 INFO L273 TraceCheckUtils]: 33: Hoare triple {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:37,593 INFO L273 TraceCheckUtils]: 34: Hoare triple {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} assume #t~short7; {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:37,594 INFO L256 TraceCheckUtils]: 35: Hoare triple {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {4860#true} is VALID [2018-11-18 23:11:37,594 INFO L273 TraceCheckUtils]: 36: Hoare triple {4860#true} ~cond := #in~cond; {4860#true} is VALID [2018-11-18 23:11:37,594 INFO L273 TraceCheckUtils]: 37: Hoare triple {4860#true} assume !(0 == ~cond); {4860#true} is VALID [2018-11-18 23:11:37,595 INFO L273 TraceCheckUtils]: 38: Hoare triple {4860#true} assume true; {4860#true} is VALID [2018-11-18 23:11:37,616 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {4860#true} {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} #90#return; {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:37,625 INFO L273 TraceCheckUtils]: 40: Hoare triple {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:37,628 INFO L273 TraceCheckUtils]: 41: Hoare triple {4869#(and (<= ~CELLCOUNT~0 4) (or (<= ~CELLCOUNT~0 3) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|)))) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} is VALID [2018-11-18 23:11:37,628 INFO L273 TraceCheckUtils]: 42: Hoare triple {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} assume true; {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} is VALID [2018-11-18 23:11:37,629 INFO L273 TraceCheckUtils]: 43: Hoare triple {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} is VALID [2018-11-18 23:11:37,629 INFO L273 TraceCheckUtils]: 44: Hoare triple {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} assume #t~short7; {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} is VALID [2018-11-18 23:11:37,630 INFO L256 TraceCheckUtils]: 45: Hoare triple {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {4860#true} is VALID [2018-11-18 23:11:37,630 INFO L273 TraceCheckUtils]: 46: Hoare triple {4860#true} ~cond := #in~cond; {4860#true} is VALID [2018-11-18 23:11:37,630 INFO L273 TraceCheckUtils]: 47: Hoare triple {4860#true} assume !(0 == ~cond); {4860#true} is VALID [2018-11-18 23:11:37,630 INFO L273 TraceCheckUtils]: 48: Hoare triple {4860#true} assume true; {4860#true} is VALID [2018-11-18 23:11:37,631 INFO L268 TraceCheckUtils]: 49: Hoare quadruple {4860#true} {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} #90#return; {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} is VALID [2018-11-18 23:11:37,631 INFO L273 TraceCheckUtils]: 50: Hoare triple {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} is VALID [2018-11-18 23:11:37,632 INFO L273 TraceCheckUtils]: 51: Hoare triple {4870#(and (<= ~CELLCOUNT~0 (+ main_~i~0 3)) (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 2))))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} is VALID [2018-11-18 23:11:37,632 INFO L273 TraceCheckUtils]: 52: Hoare triple {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} assume true; {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} is VALID [2018-11-18 23:11:37,633 INFO L273 TraceCheckUtils]: 53: Hoare triple {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} is VALID [2018-11-18 23:11:37,634 INFO L273 TraceCheckUtils]: 54: Hoare triple {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} assume #t~short7; {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} is VALID [2018-11-18 23:11:37,634 INFO L256 TraceCheckUtils]: 55: Hoare triple {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {4860#true} is VALID [2018-11-18 23:11:37,634 INFO L273 TraceCheckUtils]: 56: Hoare triple {4860#true} ~cond := #in~cond; {4860#true} is VALID [2018-11-18 23:11:37,635 INFO L273 TraceCheckUtils]: 57: Hoare triple {4860#true} assume !(0 == ~cond); {4860#true} is VALID [2018-11-18 23:11:37,635 INFO L273 TraceCheckUtils]: 58: Hoare triple {4860#true} assume true; {4860#true} is VALID [2018-11-18 23:11:37,636 INFO L268 TraceCheckUtils]: 59: Hoare quadruple {4860#true} {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} #90#return; {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} is VALID [2018-11-18 23:11:37,636 INFO L273 TraceCheckUtils]: 60: Hoare triple {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} is VALID [2018-11-18 23:11:37,638 INFO L273 TraceCheckUtils]: 61: Hoare triple {4871#(and (or (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 (+ ~CELLCOUNT~0 (- 1))) |main_~#volArray~0.offset|))) (<= ~CELLCOUNT~0 (+ main_~i~0 1))) (<= ~CELLCOUNT~0 (+ main_~i~0 2)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4872#(or (<= ~CELLCOUNT~0 main_~i~0) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))))} is VALID [2018-11-18 23:11:37,638 INFO L273 TraceCheckUtils]: 62: Hoare triple {4872#(or (<= ~CELLCOUNT~0 main_~i~0) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))))} assume true; {4872#(or (<= ~CELLCOUNT~0 main_~i~0) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))))} is VALID [2018-11-18 23:11:37,639 INFO L273 TraceCheckUtils]: 63: Hoare triple {4872#(or (<= ~CELLCOUNT~0 main_~i~0) (= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|))))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {4873#(= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))} is VALID [2018-11-18 23:11:37,640 INFO L273 TraceCheckUtils]: 64: Hoare triple {4873#(= 0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {4874#|main_#t~short7|} is VALID [2018-11-18 23:11:37,641 INFO L256 TraceCheckUtils]: 65: Hoare triple {4874#|main_#t~short7|} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {4875#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2018-11-18 23:11:37,641 INFO L273 TraceCheckUtils]: 66: Hoare triple {4875#(not (= |__VERIFIER_assert_#in~cond| 0))} ~cond := #in~cond; {4876#(not (= __VERIFIER_assert_~cond 0))} is VALID [2018-11-18 23:11:37,642 INFO L273 TraceCheckUtils]: 67: Hoare triple {4876#(not (= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {4861#false} is VALID [2018-11-18 23:11:37,642 INFO L273 TraceCheckUtils]: 68: Hoare triple {4861#false} assume !false; {4861#false} is VALID [2018-11-18 23:11:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 15 proven. 37 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 23:11:37,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 23:11:37,658 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 23:11:37,668 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 23:11:37,693 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-18 23:11:37,694 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 23:11:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:11:37,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 23:11:37,850 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 16 treesize of output 13 [2018-11-18 23:11:37,853 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 13 treesize of output 12 [2018-11-18 23:11:37,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:11:37,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:11:37,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 23:11:37,868 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2018-11-18 23:11:37,872 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 23:11:57,342 INFO L256 TraceCheckUtils]: 0: Hoare triple {4860#true} call ULTIMATE.init(); {4860#true} is VALID [2018-11-18 23:11:57,343 INFO L273 TraceCheckUtils]: 1: Hoare triple {4860#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {4860#true} is VALID [2018-11-18 23:11:57,343 INFO L273 TraceCheckUtils]: 2: Hoare triple {4860#true} assume true; {4860#true} is VALID [2018-11-18 23:11:57,343 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4860#true} {4860#true} #86#return; {4860#true} is VALID [2018-11-18 23:11:57,343 INFO L256 TraceCheckUtils]: 4: Hoare triple {4860#true} call #t~ret8 := main(); {4860#true} is VALID [2018-11-18 23:11:57,343 INFO L273 TraceCheckUtils]: 5: Hoare triple {4860#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {4860#true} is VALID [2018-11-18 23:11:57,344 INFO L273 TraceCheckUtils]: 6: Hoare triple {4860#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {4898#(<= main_~MINVAL~0 2)} is VALID [2018-11-18 23:11:57,344 INFO L273 TraceCheckUtils]: 7: Hoare triple {4898#(<= main_~MINVAL~0 2)} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,345 INFO L273 TraceCheckUtils]: 8: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume true; {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,345 INFO L273 TraceCheckUtils]: 9: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,346 INFO L273 TraceCheckUtils]: 10: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume true; {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,346 INFO L273 TraceCheckUtils]: 11: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume !!(~j~0 >= 1); {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,347 INFO L273 TraceCheckUtils]: 12: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,347 INFO L273 TraceCheckUtils]: 13: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,348 INFO L273 TraceCheckUtils]: 14: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume true; {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,348 INFO L273 TraceCheckUtils]: 15: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume !!(~j~0 >= 1); {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,349 INFO L273 TraceCheckUtils]: 16: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,350 INFO L273 TraceCheckUtils]: 17: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,350 INFO L273 TraceCheckUtils]: 18: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume true; {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,351 INFO L273 TraceCheckUtils]: 19: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume !!(~j~0 >= 1); {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,352 INFO L273 TraceCheckUtils]: 20: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,353 INFO L273 TraceCheckUtils]: 21: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,353 INFO L273 TraceCheckUtils]: 22: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume true; {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,354 INFO L273 TraceCheckUtils]: 23: Hoare triple {4902#(and (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume !!(~j~0 >= 1); {4951#(and (<= main_~MINVAL~0 2) (<= 1 main_~j~0) (= main_~i~0 1))} is VALID [2018-11-18 23:11:57,356 INFO L273 TraceCheckUtils]: 24: Hoare triple {4951#(and (<= main_~MINVAL~0 2) (<= 1 main_~j~0) (= main_~i~0 1))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,357 INFO L273 TraceCheckUtils]: 25: Hoare triple {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,358 INFO L273 TraceCheckUtils]: 26: Hoare triple {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} assume true; {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,358 INFO L273 TraceCheckUtils]: 27: Hoare triple {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} assume !(~j~0 >= 1); {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,359 INFO L273 TraceCheckUtils]: 28: Hoare triple {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,359 INFO L273 TraceCheckUtils]: 29: Hoare triple {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} assume true; {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,360 INFO L273 TraceCheckUtils]: 30: Hoare triple {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,360 INFO L273 TraceCheckUtils]: 31: Hoare triple {4955#(exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0)))} ~i~0 := 0; {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:57,361 INFO L273 TraceCheckUtils]: 32: Hoare triple {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} assume true; {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:57,361 INFO L273 TraceCheckUtils]: 33: Hoare triple {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:57,362 INFO L273 TraceCheckUtils]: 34: Hoare triple {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} assume #t~short7; {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:57,364 INFO L256 TraceCheckUtils]: 35: Hoare triple {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,364 INFO L273 TraceCheckUtils]: 36: Hoare triple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} ~cond := #in~cond; {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,365 INFO L273 TraceCheckUtils]: 37: Hoare triple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} assume !(0 == ~cond); {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,365 INFO L273 TraceCheckUtils]: 38: Hoare triple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} assume true; {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,366 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} #90#return; {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:57,367 INFO L273 TraceCheckUtils]: 40: Hoare triple {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} is VALID [2018-11-18 23:11:57,368 INFO L273 TraceCheckUtils]: 41: Hoare triple {4977#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,369 INFO L273 TraceCheckUtils]: 42: Hoare triple {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} assume true; {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,370 INFO L273 TraceCheckUtils]: 43: Hoare triple {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,371 INFO L273 TraceCheckUtils]: 44: Hoare triple {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} assume #t~short7; {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,373 INFO L256 TraceCheckUtils]: 45: Hoare triple {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,374 INFO L273 TraceCheckUtils]: 46: Hoare triple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} ~cond := #in~cond; {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,374 INFO L273 TraceCheckUtils]: 47: Hoare triple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} assume !(0 == ~cond); {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,375 INFO L273 TraceCheckUtils]: 48: Hoare triple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} assume true; {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,376 INFO L268 TraceCheckUtils]: 49: Hoare quadruple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} #90#return; {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,377 INFO L273 TraceCheckUtils]: 50: Hoare triple {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,378 INFO L273 TraceCheckUtils]: 51: Hoare triple {5009#(and (= main_~i~0 1) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,378 INFO L273 TraceCheckUtils]: 52: Hoare triple {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} assume true; {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,380 INFO L273 TraceCheckUtils]: 53: Hoare triple {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,380 INFO L273 TraceCheckUtils]: 54: Hoare triple {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} assume #t~short7; {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,382 INFO L256 TraceCheckUtils]: 55: Hoare triple {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,383 INFO L273 TraceCheckUtils]: 56: Hoare triple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} ~cond := #in~cond; {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,384 INFO L273 TraceCheckUtils]: 57: Hoare triple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} assume !(0 == ~cond); {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,384 INFO L273 TraceCheckUtils]: 58: Hoare triple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} assume true; {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} is VALID [2018-11-18 23:11:57,385 INFO L268 TraceCheckUtils]: 59: Hoare quadruple {4990#(exists ((main_~j~0 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_4| Int) (|v_main_~#volArray~0.offset_BEFORE_CALL_4| Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_4|) (+ (* (- 4) main_~j~0) |v_main_~#volArray~0.offset_BEFORE_CALL_4| 16)) 0) (<= 1 main_~j~0)))} {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} #90#return; {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,386 INFO L273 TraceCheckUtils]: 60: Hoare triple {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,387 INFO L273 TraceCheckUtils]: 61: Hoare triple {5040#(and (= main_~i~0 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5071#(and (= main_~i~0 3) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,388 INFO L273 TraceCheckUtils]: 62: Hoare triple {5071#(and (= main_~i~0 3) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} assume true; {5071#(and (= main_~i~0 3) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,389 INFO L273 TraceCheckUtils]: 63: Hoare triple {5071#(and (= main_~i~0 3) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {5071#(and (= main_~i~0 3) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} is VALID [2018-11-18 23:11:57,390 INFO L273 TraceCheckUtils]: 64: Hoare triple {5071#(and (= main_~i~0 3) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0) (<= 1 main_~j~0))))} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {4874#|main_#t~short7|} is VALID [2018-11-18 23:11:57,391 INFO L256 TraceCheckUtils]: 65: Hoare triple {4874#|main_#t~short7|} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {5084#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-18 23:11:57,392 INFO L273 TraceCheckUtils]: 66: Hoare triple {5084#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {5088#(= 1 __VERIFIER_assert_~cond)} is VALID [2018-11-18 23:11:57,392 INFO L273 TraceCheckUtils]: 67: Hoare triple {5088#(= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {4861#false} is VALID [2018-11-18 23:11:57,393 INFO L273 TraceCheckUtils]: 68: Hoare triple {4861#false} assume !false; {4861#false} is VALID [2018-11-18 23:11:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 49 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 23:11:57,428 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 23:11:57,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14] total 28 [2018-11-18 23:11:57,429 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 69 [2018-11-18 23:11:57,429 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:11:57,429 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states. [2018-11-18 23:11:57,601 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:11:57,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 23:11:57,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 23:11:57,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=664, Unknown=2, NotChecked=0, Total=756 [2018-11-18 23:11:57,603 INFO L87 Difference]: Start difference. First operand 135 states and 151 transitions. Second operand 28 states. [2018-11-18 23:12:10,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:12:10,449 INFO L93 Difference]: Finished difference Result 156 states and 176 transitions. [2018-11-18 23:12:10,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 23:12:10,449 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 69 [2018-11-18 23:12:10,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:12:10,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 23:12:10,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 102 transitions. [2018-11-18 23:12:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 23:12:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 102 transitions. [2018-11-18 23:12:10,454 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 102 transitions. [2018-11-18 23:12:10,642 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:12:10,644 INFO L225 Difference]: With dead ends: 156 [2018-11-18 23:12:10,645 INFO L226 Difference]: Without dead ends: 113 [2018-11-18 23:12:10,646 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 54 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 20.6s TimeCoverageRelationStatistics Valid=338, Invalid=2012, Unknown=2, NotChecked=0, Total=2352 [2018-11-18 23:12:10,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-18 23:12:11,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104. [2018-11-18 23:12:11,366 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:12:11,366 INFO L82 GeneralOperation]: Start isEquivalent. First operand 113 states. Second operand 104 states. [2018-11-18 23:12:11,366 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 104 states. [2018-11-18 23:12:11,366 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 104 states. [2018-11-18 23:12:11,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:12:11,369 INFO L93 Difference]: Finished difference Result 113 states and 125 transitions. [2018-11-18 23:12:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2018-11-18 23:12:11,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:12:11,370 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:12:11,370 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 113 states. [2018-11-18 23:12:11,370 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 113 states. [2018-11-18 23:12:11,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:12:11,373 INFO L93 Difference]: Finished difference Result 113 states and 125 transitions. [2018-11-18 23:12:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2018-11-18 23:12:11,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:12:11,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:12:11,374 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:12:11,374 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:12:11,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 23:12:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 115 transitions. [2018-11-18 23:12:11,377 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 115 transitions. Word has length 69 [2018-11-18 23:12:11,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:12:11,377 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 115 transitions. [2018-11-18 23:12:11,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 23:12:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 115 transitions. [2018-11-18 23:12:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 23:12:11,378 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:12:11,379 INFO L375 BasicCegarLoop]: trace histogram [10, 8, 8, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:12:11,379 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:12:11,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:12:11,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1684736744, now seen corresponding path program 4 times [2018-11-18 23:12:11,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:12:11,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:12:11,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:12:11,380 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 23:12:11,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:12:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:12:12,933 INFO L256 TraceCheckUtils]: 0: Hoare triple {5703#true} call ULTIMATE.init(); {5703#true} is VALID [2018-11-18 23:12:12,934 INFO L273 TraceCheckUtils]: 1: Hoare triple {5703#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {5703#true} is VALID [2018-11-18 23:12:12,934 INFO L273 TraceCheckUtils]: 2: Hoare triple {5703#true} assume true; {5703#true} is VALID [2018-11-18 23:12:12,934 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5703#true} {5703#true} #86#return; {5703#true} is VALID [2018-11-18 23:12:12,934 INFO L256 TraceCheckUtils]: 4: Hoare triple {5703#true} call #t~ret8 := main(); {5703#true} is VALID [2018-11-18 23:12:12,935 INFO L273 TraceCheckUtils]: 5: Hoare triple {5703#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {5703#true} is VALID [2018-11-18 23:12:12,935 INFO L273 TraceCheckUtils]: 6: Hoare triple {5703#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {5705#(and (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2))} is VALID [2018-11-18 23:12:12,936 INFO L273 TraceCheckUtils]: 7: Hoare triple {5705#(and (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2))} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {5706#(and (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:12:12,936 INFO L273 TraceCheckUtils]: 8: Hoare triple {5706#(and (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume true; {5706#(and (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2) (= main_~i~0 1))} is VALID [2018-11-18 23:12:12,937 INFO L273 TraceCheckUtils]: 9: Hoare triple {5706#(and (<= 2 main_~MINVAL~0) (<= main_~MINVAL~0 2) (= main_~i~0 1))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {5707#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4))} is VALID [2018-11-18 23:12:12,937 INFO L273 TraceCheckUtils]: 10: Hoare triple {5707#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4))} assume true; {5707#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4))} is VALID [2018-11-18 23:12:12,938 INFO L273 TraceCheckUtils]: 11: Hoare triple {5707#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4))} assume !!(~j~0 >= 1); {5707#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4))} is VALID [2018-11-18 23:12:12,938 INFO L273 TraceCheckUtils]: 12: Hoare triple {5707#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5707#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4))} is VALID [2018-11-18 23:12:12,939 INFO L273 TraceCheckUtils]: 13: Hoare triple {5707#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= (+ main_~MINVAL~0 2) main_~j~0) (<= main_~j~0 4))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5708#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (<= 2 main_~MINVAL~0) (<= main_~j~0 3) (= main_~i~0 1))} is VALID [2018-11-18 23:12:12,956 INFO L273 TraceCheckUtils]: 14: Hoare triple {5708#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (<= 2 main_~MINVAL~0) (<= main_~j~0 3) (= main_~i~0 1))} assume true; {5708#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (<= 2 main_~MINVAL~0) (<= main_~j~0 3) (= main_~i~0 1))} is VALID [2018-11-18 23:12:12,965 INFO L273 TraceCheckUtils]: 15: Hoare triple {5708#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (<= 2 main_~MINVAL~0) (<= main_~j~0 3) (= main_~i~0 1))} assume !!(~j~0 >= 1); {5708#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (<= 2 main_~MINVAL~0) (<= main_~j~0 3) (= main_~i~0 1))} is VALID [2018-11-18 23:12:12,979 INFO L273 TraceCheckUtils]: 16: Hoare triple {5708#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (<= 2 main_~MINVAL~0) (<= main_~j~0 3) (= main_~i~0 1))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5708#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (<= 2 main_~MINVAL~0) (<= main_~j~0 3) (= main_~i~0 1))} is VALID [2018-11-18 23:12:12,988 INFO L273 TraceCheckUtils]: 17: Hoare triple {5708#(and (<= (+ main_~MINVAL~0 1) main_~j~0) (<= 2 main_~MINVAL~0) (<= main_~j~0 3) (= main_~i~0 1))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5709#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= main_~MINVAL~0 main_~j~0) (<= main_~j~0 2))} is VALID [2018-11-18 23:12:13,003 INFO L273 TraceCheckUtils]: 18: Hoare triple {5709#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= main_~MINVAL~0 main_~j~0) (<= main_~j~0 2))} assume true; {5709#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= main_~MINVAL~0 main_~j~0) (<= main_~j~0 2))} is VALID [2018-11-18 23:12:13,012 INFO L273 TraceCheckUtils]: 19: Hoare triple {5709#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= main_~MINVAL~0 main_~j~0) (<= main_~j~0 2))} assume !!(~j~0 >= 1); {5709#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= main_~MINVAL~0 main_~j~0) (<= main_~j~0 2))} is VALID [2018-11-18 23:12:13,013 INFO L273 TraceCheckUtils]: 20: Hoare triple {5709#(and (<= 2 main_~MINVAL~0) (= main_~i~0 1) (<= main_~MINVAL~0 main_~j~0) (<= main_~j~0 2))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5710#(and (<= 2 main_~j~0) (= main_~j~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)))) (= main_~i~0 1) (<= main_~MINVAL~0 main_~j~0) (<= main_~j~0 2))} is VALID [2018-11-18 23:12:13,014 INFO L273 TraceCheckUtils]: 21: Hoare triple {5710#(and (<= 2 main_~j~0) (= main_~j~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)))) (= main_~i~0 1) (<= main_~MINVAL~0 main_~j~0) (<= main_~j~0 2))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5711#(and (= main_~i~0 1) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))))} is VALID [2018-11-18 23:12:13,032 INFO L273 TraceCheckUtils]: 22: Hoare triple {5711#(and (= main_~i~0 1) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))))} assume true; {5711#(and (= main_~i~0 1) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))))} is VALID [2018-11-18 23:12:13,047 INFO L273 TraceCheckUtils]: 23: Hoare triple {5711#(and (= main_~i~0 1) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))))} assume !!(~j~0 >= 1); {5711#(and (= main_~i~0 1) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))))} is VALID [2018-11-18 23:12:13,055 INFO L273 TraceCheckUtils]: 24: Hoare triple {5711#(and (= main_~i~0 1) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5712#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))) (= main_~i~0 1))} is VALID [2018-11-18 23:12:13,056 INFO L273 TraceCheckUtils]: 25: Hoare triple {5712#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))) (= main_~i~0 1))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5712#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))) (= main_~i~0 1))} is VALID [2018-11-18 23:12:13,057 INFO L273 TraceCheckUtils]: 26: Hoare triple {5712#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))) (= main_~i~0 1))} assume true; {5712#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))) (= main_~i~0 1))} is VALID [2018-11-18 23:12:13,057 INFO L273 TraceCheckUtils]: 27: Hoare triple {5712#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))) (= main_~i~0 1))} assume !(~j~0 >= 1); {5712#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))) (= main_~i~0 1))} is VALID [2018-11-18 23:12:13,059 INFO L273 TraceCheckUtils]: 28: Hoare triple {5712#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (+ (* 4 (- 2)) (* 16 main_~i~0))))) (= main_~i~0 1))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5713#(and (<= (+ (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 6) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,059 INFO L273 TraceCheckUtils]: 29: Hoare triple {5713#(and (<= (+ (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 6) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume true; {5713#(and (<= (+ (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 6) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,061 INFO L273 TraceCheckUtils]: 30: Hoare triple {5713#(and (<= (+ (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 6) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {5714#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 2) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,061 INFO L273 TraceCheckUtils]: 31: Hoare triple {5714#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 2) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume true; {5714#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 2) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,063 INFO L273 TraceCheckUtils]: 32: Hoare triple {5714#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 2) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume !!(~j~0 >= 1); {5714#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 2) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,064 INFO L273 TraceCheckUtils]: 33: Hoare triple {5714#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 2) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5714#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 2) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,065 INFO L273 TraceCheckUtils]: 34: Hoare triple {5714#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 2) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5715#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 3) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,066 INFO L273 TraceCheckUtils]: 35: Hoare triple {5715#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 3) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume true; {5715#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 3) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,067 INFO L273 TraceCheckUtils]: 36: Hoare triple {5715#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 3) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume !!(~j~0 >= 1); {5715#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 3) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,068 INFO L273 TraceCheckUtils]: 37: Hoare triple {5715#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 3) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5715#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 3) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,069 INFO L273 TraceCheckUtils]: 38: Hoare triple {5715#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 3) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5716#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 4) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,070 INFO L273 TraceCheckUtils]: 39: Hoare triple {5716#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 4) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume true; {5716#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 4) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,071 INFO L273 TraceCheckUtils]: 40: Hoare triple {5716#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 4) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume !!(~j~0 >= 1); {5716#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 4) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,073 INFO L273 TraceCheckUtils]: 41: Hoare triple {5716#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 4) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5716#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 4) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} is VALID [2018-11-18 23:12:13,074 INFO L273 TraceCheckUtils]: 42: Hoare triple {5716#(and (<= (+ main_~j~0 (div (+ (+ |main_~#volArray~0.offset| (* 4 2)) (- |main_~#volArray~0.offset|)) 4) 4) (* 4 main_~i~0)) (<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) main_~j~0) (+ |main_~#volArray~0.offset| (* 4 2)))))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5717#(<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (* 4 2))))} is VALID [2018-11-18 23:12:13,075 INFO L273 TraceCheckUtils]: 43: Hoare triple {5717#(<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (* 4 2))))} assume true; {5717#(<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (* 4 2))))} is VALID [2018-11-18 23:12:13,075 INFO L273 TraceCheckUtils]: 44: Hoare triple {5717#(<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (* 4 2))))} assume !!(~j~0 >= 1); {5717#(<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (* 4 2))))} is VALID [2018-11-18 23:12:13,077 INFO L273 TraceCheckUtils]: 45: Hoare triple {5717#(<= main_~MINVAL~0 (select (store (select |#memory_int| |main_~#volArray~0.base|) (+ (* 16 main_~i~0) |main_~#volArray~0.offset| (* (- 4) main_~j~0)) 0) (+ |main_~#volArray~0.offset| (* 4 2))))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} is VALID [2018-11-18 23:12:13,077 INFO L273 TraceCheckUtils]: 46: Hoare triple {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} is VALID [2018-11-18 23:12:13,078 INFO L273 TraceCheckUtils]: 47: Hoare triple {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} assume true; {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} is VALID [2018-11-18 23:12:13,078 INFO L273 TraceCheckUtils]: 48: Hoare triple {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} assume !(~j~0 >= 1); {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} is VALID [2018-11-18 23:12:13,079 INFO L273 TraceCheckUtils]: 49: Hoare triple {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} is VALID [2018-11-18 23:12:13,079 INFO L273 TraceCheckUtils]: 50: Hoare triple {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} assume true; {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} is VALID [2018-11-18 23:12:13,080 INFO L273 TraceCheckUtils]: 51: Hoare triple {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} is VALID [2018-11-18 23:12:13,081 INFO L273 TraceCheckUtils]: 52: Hoare triple {5718#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2))))} ~i~0 := 0; {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} is VALID [2018-11-18 23:12:13,081 INFO L273 TraceCheckUtils]: 53: Hoare triple {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} assume true; {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} is VALID [2018-11-18 23:12:13,082 INFO L273 TraceCheckUtils]: 54: Hoare triple {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} is VALID [2018-11-18 23:12:13,083 INFO L273 TraceCheckUtils]: 55: Hoare triple {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} assume #t~short7; {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} is VALID [2018-11-18 23:12:13,083 INFO L256 TraceCheckUtils]: 56: Hoare triple {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {5703#true} is VALID [2018-11-18 23:12:13,083 INFO L273 TraceCheckUtils]: 57: Hoare triple {5703#true} ~cond := #in~cond; {5703#true} is VALID [2018-11-18 23:12:13,084 INFO L273 TraceCheckUtils]: 58: Hoare triple {5703#true} assume !(0 == ~cond); {5703#true} is VALID [2018-11-18 23:12:13,084 INFO L273 TraceCheckUtils]: 59: Hoare triple {5703#true} assume true; {5703#true} is VALID [2018-11-18 23:12:13,085 INFO L268 TraceCheckUtils]: 60: Hoare quadruple {5703#true} {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} #90#return; {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} is VALID [2018-11-18 23:12:13,086 INFO L273 TraceCheckUtils]: 61: Hoare triple {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} is VALID [2018-11-18 23:12:13,087 INFO L273 TraceCheckUtils]: 62: Hoare triple {5719#(and (<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 2)))) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} is VALID [2018-11-18 23:12:13,087 INFO L273 TraceCheckUtils]: 63: Hoare triple {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} assume true; {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} is VALID [2018-11-18 23:12:13,088 INFO L273 TraceCheckUtils]: 64: Hoare triple {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} is VALID [2018-11-18 23:12:13,088 INFO L273 TraceCheckUtils]: 65: Hoare triple {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} assume #t~short7; {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} is VALID [2018-11-18 23:12:13,089 INFO L256 TraceCheckUtils]: 66: Hoare triple {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {5703#true} is VALID [2018-11-18 23:12:13,089 INFO L273 TraceCheckUtils]: 67: Hoare triple {5703#true} ~cond := #in~cond; {5703#true} is VALID [2018-11-18 23:12:13,089 INFO L273 TraceCheckUtils]: 68: Hoare triple {5703#true} assume !(0 == ~cond); {5703#true} is VALID [2018-11-18 23:12:13,089 INFO L273 TraceCheckUtils]: 69: Hoare triple {5703#true} assume true; {5703#true} is VALID [2018-11-18 23:12:13,090 INFO L268 TraceCheckUtils]: 70: Hoare quadruple {5703#true} {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} #90#return; {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} is VALID [2018-11-18 23:12:13,091 INFO L273 TraceCheckUtils]: 71: Hoare triple {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} is VALID [2018-11-18 23:12:13,092 INFO L273 TraceCheckUtils]: 72: Hoare triple {5720#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 4 (+ main_~i~0 1)))))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5721#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))} is VALID [2018-11-18 23:12:13,092 INFO L273 TraceCheckUtils]: 73: Hoare triple {5721#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))} assume true; {5721#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))} is VALID [2018-11-18 23:12:13,092 INFO L273 TraceCheckUtils]: 74: Hoare triple {5721#(<= main_~MINVAL~0 (select (select |#memory_int| |main_~#volArray~0.base|) (+ (* 4 main_~i~0) |main_~#volArray~0.offset|)))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {5722#|main_#t~short7|} is VALID [2018-11-18 23:12:13,093 INFO L273 TraceCheckUtils]: 75: Hoare triple {5722#|main_#t~short7|} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {5704#false} is VALID [2018-11-18 23:12:13,093 INFO L256 TraceCheckUtils]: 76: Hoare triple {5704#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {5704#false} is VALID [2018-11-18 23:12:13,093 INFO L273 TraceCheckUtils]: 77: Hoare triple {5704#false} ~cond := #in~cond; {5704#false} is VALID [2018-11-18 23:12:13,093 INFO L273 TraceCheckUtils]: 78: Hoare triple {5704#false} assume 0 == ~cond; {5704#false} is VALID [2018-11-18 23:12:13,094 INFO L273 TraceCheckUtils]: 79: Hoare triple {5704#false} assume !false; {5704#false} is VALID [2018-11-18 23:12:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 18 proven. 153 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 23:12:13,118 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 23:12:13,118 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 23:12:13,129 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 23:12:13,156 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 23:12:13,156 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 23:12:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:12:13,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 23:12:13,414 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 18 treesize of output 15 [2018-11-18 23:12:13,420 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 15 treesize of output 14 [2018-11-18 23:12:13,423 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:12:13,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:12:13,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:12:13,440 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-11-18 23:12:13,572 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 31 treesize of output 26 [2018-11-18 23:12:13,587 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:13,589 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:13,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 56 [2018-11-18 23:12:13,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:12:13,604 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:12:13,620 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 23:12:13,620 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:43, output treesize:39 [2018-11-18 23:12:13,625 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 23:12:14,101 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 40 treesize of output 33 [2018-11-18 23:12:14,111 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:14,112 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:14,115 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:14,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 86 [2018-11-18 23:12:14,137 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-18 23:12:14,563 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-18 23:12:14,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-18 23:12:14,601 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:95 [2018-11-18 23:12:14,607 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 23:12:19,357 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 42 treesize of output 35 [2018-11-18 23:12:19,461 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:19,486 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:19,513 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:19,538 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:19,540 INFO L303 Elim1Store]: Index analysis took 109 ms [2018-11-18 23:12:19,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 97 [2018-11-18 23:12:19,555 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:12:19,574 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:12:19,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 23:12:19,599 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:55 [2018-11-18 23:12:20,189 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 56 treesize of output 47 [2018-11-18 23:12:20,202 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:20,203 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:20,205 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:20,207 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:20,209 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:20,210 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:20,212 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:20,216 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:20,220 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:20,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 201 [2018-11-18 23:12:20,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:12:20,289 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:12:20,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 23:12:20,325 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:78, output treesize:74 [2018-11-18 23:12:22,448 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 70 treesize of output 59 [2018-11-18 23:12:22,468 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,470 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,472 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,475 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,477 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,478 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,479 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,481 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,482 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,484 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,485 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,487 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,491 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,499 INFO L700 Elim1Store]: detected not equals via solver [2018-11-18 23:12:22,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 314 [2018-11-18 23:12:22,508 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 23:12:22,561 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 23:12:22,609 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-11-18 23:12:22,610 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:97, output treesize:93 [2018-11-18 23:12:24,031 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-18 23:12:36,425 INFO L256 TraceCheckUtils]: 0: Hoare triple {5703#true} call ULTIMATE.init(); {5703#true} is VALID [2018-11-18 23:12:36,425 INFO L273 TraceCheckUtils]: 1: Hoare triple {5703#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~CELLCOUNT~0 := 0; {5703#true} is VALID [2018-11-18 23:12:36,425 INFO L273 TraceCheckUtils]: 2: Hoare triple {5703#true} assume true; {5703#true} is VALID [2018-11-18 23:12:36,426 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5703#true} {5703#true} #86#return; {5703#true} is VALID [2018-11-18 23:12:36,426 INFO L256 TraceCheckUtils]: 4: Hoare triple {5703#true} call #t~ret8 := main(); {5703#true} is VALID [2018-11-18 23:12:36,426 INFO L273 TraceCheckUtils]: 5: Hoare triple {5703#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~CELLCOUNT~0 := #t~nondet1;havoc #t~nondet1; {5703#true} is VALID [2018-11-18 23:12:36,427 INFO L273 TraceCheckUtils]: 6: Hoare triple {5703#true} assume ~CELLCOUNT~0 > 1;~MINVAL~0 := 2;havoc ~i~0;havoc ~j~0;call ~#volArray~0.base, ~#volArray~0.offset := #Ultimate.alloc(4 * ~CELLCOUNT~0); {5744#(and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,427 INFO L273 TraceCheckUtils]: 7: Hoare triple {5744#(and (<= main_~MINVAL~0 2) (= |main_~#volArray~0.offset| 0))} assume !(0 != (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4));assume 0 != (if 0 == (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then ~CELLCOUNT~0 % 4 - 4 else ~CELLCOUNT~0 % 4) then 1 else 0);~i~0 := 1; {5748#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,428 INFO L273 TraceCheckUtils]: 8: Hoare triple {5748#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume true; {5748#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,428 INFO L273 TraceCheckUtils]: 9: Hoare triple {5748#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {5755#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:12:36,429 INFO L273 TraceCheckUtils]: 10: Hoare triple {5755#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume true; {5755#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:12:36,429 INFO L273 TraceCheckUtils]: 11: Hoare triple {5755#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume !!(~j~0 >= 1); {5755#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:12:36,430 INFO L273 TraceCheckUtils]: 12: Hoare triple {5755#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5755#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} is VALID [2018-11-18 23:12:36,431 INFO L273 TraceCheckUtils]: 13: Hoare triple {5755#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= main_~j~0 4))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5768#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,432 INFO L273 TraceCheckUtils]: 14: Hoare triple {5768#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume true; {5768#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,432 INFO L273 TraceCheckUtils]: 15: Hoare triple {5768#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume !!(~j~0 >= 1); {5768#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,433 INFO L273 TraceCheckUtils]: 16: Hoare triple {5768#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5768#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,434 INFO L273 TraceCheckUtils]: 17: Hoare triple {5768#(and (<= main_~MINVAL~0 2) (= 3 main_~j~0) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5781#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,435 INFO L273 TraceCheckUtils]: 18: Hoare triple {5781#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume true; {5781#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,435 INFO L273 TraceCheckUtils]: 19: Hoare triple {5781#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume !!(~j~0 >= 1); {5781#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,437 INFO L273 TraceCheckUtils]: 20: Hoare triple {5781#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5791#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0))} is VALID [2018-11-18 23:12:36,439 INFO L273 TraceCheckUtils]: 21: Hoare triple {5791#(and (= 2 main_~j~0) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5795#(and (<= main_~MINVAL~0 2) (<= main_~j~0 1) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} is VALID [2018-11-18 23:12:36,440 INFO L273 TraceCheckUtils]: 22: Hoare triple {5795#(and (<= main_~MINVAL~0 2) (<= main_~j~0 1) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} assume true; {5795#(and (<= main_~MINVAL~0 2) (<= main_~j~0 1) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} is VALID [2018-11-18 23:12:36,441 INFO L273 TraceCheckUtils]: 23: Hoare triple {5795#(and (<= main_~MINVAL~0 2) (<= main_~j~0 1) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} assume !!(~j~0 >= 1); {5795#(and (<= main_~MINVAL~0 2) (<= main_~j~0 1) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} is VALID [2018-11-18 23:12:36,442 INFO L273 TraceCheckUtils]: 24: Hoare triple {5795#(and (<= main_~MINVAL~0 2) (<= main_~j~0 1) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5805#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))))} is VALID [2018-11-18 23:12:36,444 INFO L273 TraceCheckUtils]: 25: Hoare triple {5805#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5805#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))))} is VALID [2018-11-18 23:12:36,445 INFO L273 TraceCheckUtils]: 26: Hoare triple {5805#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))))} assume true; {5805#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))))} is VALID [2018-11-18 23:12:36,447 INFO L273 TraceCheckUtils]: 27: Hoare triple {5805#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))))} assume !(~j~0 >= 1); {5805#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))))} is VALID [2018-11-18 23:12:36,448 INFO L273 TraceCheckUtils]: 28: Hoare triple {5805#(and (<= main_~MINVAL~0 2) (= main_~i~0 1) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (- 8))) 2) (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5818#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,449 INFO L273 TraceCheckUtils]: 29: Hoare triple {5818#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume true; {5818#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,451 INFO L273 TraceCheckUtils]: 30: Hoare triple {5818#(and (exists ((main_~j~0 Int)) (and (<= main_~j~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) main_~j~0) 16)) 0))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume !!(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4));~j~0 := 4; {5825#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (exists ((v_prenex_11 Int)) (and (<= v_prenex_11 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_prenex_11) 16)) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 4))} is VALID [2018-11-18 23:12:36,452 INFO L273 TraceCheckUtils]: 31: Hoare triple {5825#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (exists ((v_prenex_11 Int)) (and (<= v_prenex_11 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_prenex_11) 16)) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 4))} assume true; {5825#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (exists ((v_prenex_11 Int)) (and (<= v_prenex_11 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_prenex_11) 16)) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 4))} is VALID [2018-11-18 23:12:36,453 INFO L273 TraceCheckUtils]: 32: Hoare triple {5825#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (exists ((v_prenex_11 Int)) (and (<= v_prenex_11 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_prenex_11) 16)) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 4))} assume !!(~j~0 >= 1); {5825#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (exists ((v_prenex_11 Int)) (and (<= v_prenex_11 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_prenex_11) 16)) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 4))} is VALID [2018-11-18 23:12:36,454 INFO L273 TraceCheckUtils]: 33: Hoare triple {5825#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (exists ((v_prenex_11 Int)) (and (<= v_prenex_11 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_prenex_11) 16)) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (<= main_~j~0 4))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5835#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0) (<= main_~j~0 4))} is VALID [2018-11-18 23:12:36,456 INFO L273 TraceCheckUtils]: 34: Hoare triple {5835#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0) (<= main_~j~0 4))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5839#(and (exists ((v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= v_main_~j~0_26 4) (<= (+ main_~j~0 1) v_main_~j~0_26))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,457 INFO L273 TraceCheckUtils]: 35: Hoare triple {5839#(and (exists ((v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= v_main_~j~0_26 4) (<= (+ main_~j~0 1) v_main_~j~0_26))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume true; {5839#(and (exists ((v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= v_main_~j~0_26 4) (<= (+ main_~j~0 1) v_main_~j~0_26))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,459 INFO L273 TraceCheckUtils]: 36: Hoare triple {5839#(and (exists ((v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= v_main_~j~0_26 4) (<= (+ main_~j~0 1) v_main_~j~0_26))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume !!(~j~0 >= 1); {5839#(and (exists ((v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= v_main_~j~0_26 4) (<= (+ main_~j~0 1) v_main_~j~0_26))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,461 INFO L273 TraceCheckUtils]: 37: Hoare triple {5839#(and (exists ((v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= v_main_~j~0_26 4) (<= (+ main_~j~0 1) v_main_~j~0_26))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5849#(and (exists ((v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= v_main_~j~0_26 4) (<= (+ main_~j~0 1) v_main_~j~0_26))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0))} is VALID [2018-11-18 23:12:36,463 INFO L273 TraceCheckUtils]: 38: Hoare triple {5849#(and (exists ((v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= v_main_~j~0_26 4) (<= (+ main_~j~0 1) v_main_~j~0_26))) (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5853#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (exists ((v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= (+ main_~j~0 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,465 INFO L273 TraceCheckUtils]: 39: Hoare triple {5853#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (exists ((v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= (+ main_~j~0 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))) (= |main_~#volArray~0.offset| 0))} assume true; {5853#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (exists ((v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= (+ main_~j~0 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,466 INFO L273 TraceCheckUtils]: 40: Hoare triple {5853#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (exists ((v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= (+ main_~j~0 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))) (= |main_~#volArray~0.offset| 0))} assume !!(~j~0 >= 1); {5853#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (exists ((v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= (+ main_~j~0 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,469 INFO L273 TraceCheckUtils]: 41: Hoare triple {5853#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (exists ((v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= (+ main_~j~0 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))) (= |main_~#volArray~0.offset| 0))} assume ~j~0 >= ~MINVAL~0;call write~int(~j~0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5863#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (exists ((v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= (+ main_~j~0 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0))} is VALID [2018-11-18 23:12:36,472 INFO L273 TraceCheckUtils]: 42: Hoare triple {5863#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (exists ((v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (<= (+ main_~j~0 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))) (= |main_~#volArray~0.offset| 0) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) main_~j~0))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5867#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))))} is VALID [2018-11-18 23:12:36,473 INFO L273 TraceCheckUtils]: 43: Hoare triple {5867#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))))} assume true; {5867#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))))} is VALID [2018-11-18 23:12:36,475 INFO L273 TraceCheckUtils]: 44: Hoare triple {5867#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))))} assume !!(~j~0 >= 1); {5867#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))))} is VALID [2018-11-18 23:12:36,488 INFO L273 TraceCheckUtils]: 45: Hoare triple {5867#(and (<= 2 main_~i~0) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26))))} assume !(~j~0 >= ~MINVAL~0);call write~int(0, ~#volArray~0.base, ~#volArray~0.offset + 4 * (4 * ~i~0 - ~j~0), 4); {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,502 INFO L273 TraceCheckUtils]: 46: Hoare triple {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} #t~post3 := ~j~0;~j~0 := #t~post3 - 1;havoc #t~post3; {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,506 INFO L273 TraceCheckUtils]: 47: Hoare triple {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume true; {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,518 INFO L273 TraceCheckUtils]: 48: Hoare triple {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume !(~j~0 >= 1); {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,549 INFO L273 TraceCheckUtils]: 49: Hoare triple {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,581 INFO L273 TraceCheckUtils]: 50: Hoare triple {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume true; {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,628 INFO L273 TraceCheckUtils]: 51: Hoare triple {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume !(~i~0 <= (if ~CELLCOUNT~0 < 0 && 0 != ~CELLCOUNT~0 % 4 then 1 + ~CELLCOUNT~0 / 4 else ~CELLCOUNT~0 / 4)); {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,639 INFO L273 TraceCheckUtils]: 52: Hoare triple {5877#(and (<= main_~MINVAL~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (main_~i~0 Int) (v_main_~j~0_26 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 main_~i~0) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 main_~i~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) v_main_~j~0_26)))) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 main_~i~0)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 main_~i~0) (* (- 4) main_~j~0))) 0))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} ~i~0 := 0; {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} is VALID [2018-11-18 23:12:36,640 INFO L273 TraceCheckUtils]: 53: Hoare triple {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} assume true; {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} is VALID [2018-11-18 23:12:36,641 INFO L273 TraceCheckUtils]: 54: Hoare triple {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} is VALID [2018-11-18 23:12:36,642 INFO L273 TraceCheckUtils]: 55: Hoare triple {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} assume #t~short7; {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} is VALID [2018-11-18 23:12:36,664 INFO L256 TraceCheckUtils]: 56: Hoare triple {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {5912#(exists ((v_main_~j~0_28 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_7| Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= 2 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) 8)) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26)))} is VALID [2018-11-18 23:12:36,665 INFO L273 TraceCheckUtils]: 57: Hoare triple {5912#(exists ((v_main_~j~0_28 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_7| Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= 2 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) 8)) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26)))} ~cond := #in~cond; {5912#(exists ((v_main_~j~0_28 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_7| Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= 2 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) 8)) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26)))} is VALID [2018-11-18 23:12:36,665 INFO L273 TraceCheckUtils]: 58: Hoare triple {5912#(exists ((v_main_~j~0_28 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_7| Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= 2 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) 8)) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26)))} assume !(0 == ~cond); {5912#(exists ((v_main_~j~0_28 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_7| Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= 2 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) 8)) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26)))} is VALID [2018-11-18 23:12:36,665 INFO L273 TraceCheckUtils]: 59: Hoare triple {5912#(exists ((v_main_~j~0_28 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_7| Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= 2 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) 8)) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26)))} assume true; {5912#(exists ((v_main_~j~0_28 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_7| Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= 2 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) 8)) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26)))} is VALID [2018-11-18 23:12:36,666 INFO L268 TraceCheckUtils]: 60: Hoare quadruple {5912#(exists ((v_main_~j~0_28 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_7| Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= 2 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) 8)) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_7|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26)))} {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} #90#return; {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} is VALID [2018-11-18 23:12:36,667 INFO L273 TraceCheckUtils]: 61: Hoare triple {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} is VALID [2018-11-18 23:12:36,668 INFO L273 TraceCheckUtils]: 62: Hoare triple {5899#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,670 INFO L273 TraceCheckUtils]: 63: Hoare triple {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume true; {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,671 INFO L273 TraceCheckUtils]: 64: Hoare triple {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,673 INFO L273 TraceCheckUtils]: 65: Hoare triple {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume #t~short7; {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,693 INFO L256 TraceCheckUtils]: 66: Hoare triple {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {5944#(exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_8| Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) 8) 2) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12))))))} is VALID [2018-11-18 23:12:36,694 INFO L273 TraceCheckUtils]: 67: Hoare triple {5944#(exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_8| Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) 8) 2) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12))))))} ~cond := #in~cond; {5944#(exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_8| Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) 8) 2) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12))))))} is VALID [2018-11-18 23:12:36,694 INFO L273 TraceCheckUtils]: 68: Hoare triple {5944#(exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_8| Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) 8) 2) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12))))))} assume !(0 == ~cond); {5944#(exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_8| Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) 8) 2) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12))))))} is VALID [2018-11-18 23:12:36,695 INFO L273 TraceCheckUtils]: 69: Hoare triple {5944#(exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_8| Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) 8) 2) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12))))))} assume true; {5944#(exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_8| Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) 8) 2) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12))))))} is VALID [2018-11-18 23:12:36,695 INFO L268 TraceCheckUtils]: 70: Hoare quadruple {5944#(exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (|v_main_~#volArray~0.base_BEFORE_CALL_8| Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (= v_main_~j~0_27 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_26 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_26) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) 8) 2) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (= 0 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* 16 v_prenex_12) (* (- 4) main_~j~0)))) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_28 (select (select |#memory_int| |v_main_~#volArray~0.base_BEFORE_CALL_8|) (+ (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12))))))} {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} #90#return; {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,696 INFO L273 TraceCheckUtils]: 71: Hoare triple {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} havoc #t~mem5;havoc #t~mem6;havoc #t~short7; {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,697 INFO L273 TraceCheckUtils]: 72: Hoare triple {5931#(and (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= main_~i~0 1) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5963#(and (= main_~i~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,699 INFO L273 TraceCheckUtils]: 73: Hoare triple {5963#(and (= main_~i~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume true; {5963#(and (= main_~i~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} is VALID [2018-11-18 23:12:36,701 INFO L273 TraceCheckUtils]: 74: Hoare triple {5963#(and (= main_~i~0 2) (exists ((v_main_~j~0_28 Int) (v_main_~j~0_27 Int) (v_main_~j~0_26 Int) (v_prenex_12 Int) (main_~j~0 Int)) (and (<= (+ main_~j~0 1) v_main_~j~0_28) (<= 2 v_prenex_12) (= v_main_~j~0_28 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_28) (* 16 v_prenex_12)))) (= v_main_~j~0_26 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) v_main_~j~0_26)))) (<= (+ v_main_~j~0_28 1) v_main_~j~0_27) (<= v_main_~j~0_26 4) (<= (+ v_main_~j~0_27 1) v_main_~j~0_26) (= v_main_~j~0_27 (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* (- 4) v_main_~j~0_27) (* 16 v_prenex_12)))) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| (* 16 v_prenex_12) (* (- 4) main_~j~0))) 0))) (<= main_~MINVAL~0 2) (= (select (select |#memory_int| |main_~#volArray~0.base|) (+ |main_~#volArray~0.offset| 8)) 2) (= |main_~#volArray~0.offset| 0))} assume !!(~i~0 < ~CELLCOUNT~0);call #t~mem5 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := #t~mem5 >= ~MINVAL~0; {5722#|main_#t~short7|} is VALID [2018-11-18 23:12:36,701 INFO L273 TraceCheckUtils]: 75: Hoare triple {5722#|main_#t~short7|} assume !#t~short7;call #t~mem6 := read~int(~#volArray~0.base, ~#volArray~0.offset + 4 * ~i~0, 4);#t~short7 := 0 == #t~mem6; {5704#false} is VALID [2018-11-18 23:12:36,702 INFO L256 TraceCheckUtils]: 76: Hoare triple {5704#false} call __VERIFIER_assert((if #t~short7 then 1 else 0)); {5704#false} is VALID [2018-11-18 23:12:36,702 INFO L273 TraceCheckUtils]: 77: Hoare triple {5704#false} ~cond := #in~cond; {5704#false} is VALID [2018-11-18 23:12:36,702 INFO L273 TraceCheckUtils]: 78: Hoare triple {5704#false} assume 0 == ~cond; {5704#false} is VALID [2018-11-18 23:12:36,702 INFO L273 TraceCheckUtils]: 79: Hoare triple {5704#false} assume !false; {5704#false} is VALID [2018-11-18 23:12:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 18 proven. 150 refuted. 7 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:12:36,779 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 23:12:36,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 25] total 42 [2018-11-18 23:12:36,779 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 80 [2018-11-18 23:12:36,780 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:12:36,780 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 42 states. [2018-11-18 23:12:41,320 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 144 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2018-11-18 23:12:41,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-11-18 23:12:41,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-11-18 23:12:41,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1504, Unknown=5, NotChecked=0, Total=1722 [2018-11-18 23:12:41,323 INFO L87 Difference]: Start difference. First operand 104 states and 115 transitions. Second operand 42 states.