java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-crafted/mapavg1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:30:35,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:30:35,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:30:35,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:30:35,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:30:35,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:30:35,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:30:35,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:30:35,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:30:35,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:30:35,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:30:35,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:30:35,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:30:35,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:30:35,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:30:35,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:30:35,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:30:35,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:30:35,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:30:35,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:30:35,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:30:35,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:30:35,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:30:35,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:30:35,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:30:35,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:30:35,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:30:35,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:30:35,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:30:35,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:30:35,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:30:35,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:30:35,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:30:35,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:30:35,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:30:35,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:30:35,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:30:35,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:30:35,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:30:35,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:30:35,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:30:35,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:30:35,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:30:35,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:30:35,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:30:35,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:30:35,606 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:30:35,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:30:35,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:30:35,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:30:35,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:30:35,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:30:35,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:30:35,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:30:35,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:30:35,608 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:30:35,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:30:35,608 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:30:35,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:30:35,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:30:35,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:30:35,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:30:35,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:30:35,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:30:35,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:30:35,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:30:35,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:30:35,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:30:35,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:30:35,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:30:35,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 21:30:35,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:30:35,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:30:35,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:30:35,921 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:30:35,922 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:30:35,922 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/mapavg1.i [2019-10-13 21:30:35,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb01aa5d/64bd197cd14a4b8e969e72b3ca67cd7a/FLAGd0fd7176e [2019-10-13 21:30:36,410 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:30:36,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/mapavg1.i [2019-10-13 21:30:36,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb01aa5d/64bd197cd14a4b8e969e72b3ca67cd7a/FLAGd0fd7176e [2019-10-13 21:30:36,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cb01aa5d/64bd197cd14a4b8e969e72b3ca67cd7a [2019-10-13 21:30:36,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:30:36,870 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:30:36,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:30:36,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:30:36,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:30:36,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:30:36" (1/1) ... [2019-10-13 21:30:36,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef99201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:36, skipping insertion in model container [2019-10-13 21:30:36,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:30:36" (1/1) ... [2019-10-13 21:30:36,891 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:30:36,910 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:30:37,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:30:37,111 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:30:37,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:30:37,147 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:30:37,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:37 WrapperNode [2019-10-13 21:30:37,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:30:37,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:30:37,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:30:37,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:30:37,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:37" (1/1) ... [2019-10-13 21:30:37,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:37" (1/1) ... [2019-10-13 21:30:37,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:37" (1/1) ... [2019-10-13 21:30:37,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:37" (1/1) ... [2019-10-13 21:30:37,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:37" (1/1) ... [2019-10-13 21:30:37,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:37" (1/1) ... [2019-10-13 21:30:37,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:37" (1/1) ... [2019-10-13 21:30:37,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:30:37,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:30:37,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:30:37,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:30:37,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:37" (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 [2019-10-13 21:30:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:30:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:30:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mapavg [2019-10-13 21:30:37,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:30:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:30:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:30:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure mapavg [2019-10-13 21:30:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:30:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:30:37,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:30:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:30:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:30:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:30:37,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:30:37,690 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:30:37,691 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-13 21:30:37,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:30:37 BoogieIcfgContainer [2019-10-13 21:30:37,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:30:37,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:30:37,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:30:37,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:30:37,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:30:36" (1/3) ... [2019-10-13 21:30:37,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b2e1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:30:37, skipping insertion in model container [2019-10-13 21:30:37,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:30:37" (2/3) ... [2019-10-13 21:30:37,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b2e1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:30:37, skipping insertion in model container [2019-10-13 21:30:37,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:30:37" (3/3) ... [2019-10-13 21:30:37,700 INFO L109 eAbstractionObserver]: Analyzing ICFG mapavg1.i [2019-10-13 21:30:37,710 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:30:37,717 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:30:37,729 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:30:37,750 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:30:37,751 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:30:37,751 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:30:37,751 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:30:37,751 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:30:37,751 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:30:37,751 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:30:37,751 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:30:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-10-13 21:30:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-13 21:30:37,772 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:30:37,773 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:30:37,775 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:30:37,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:30:37,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1953355565, now seen corresponding path program 1 times [2019-10-13 21:30:37,786 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:30:37,786 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063235682] [2019-10-13 21:30:37,786 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:30:37,786 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:30:37,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:30:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:30:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 21:30:37,975 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063235682] [2019-10-13 21:30:37,976 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:30:37,976 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:30:37,977 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431727283] [2019-10-13 21:30:37,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:30:37,981 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:30:37,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:30:37,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:30:37,993 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2019-10-13 21:30:38,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:30:38,027 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2019-10-13 21:30:38,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:30:38,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-13 21:30:38,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:30:38,038 INFO L225 Difference]: With dead ends: 41 [2019-10-13 21:30:38,039 INFO L226 Difference]: Without dead ends: 20 [2019-10-13 21:30:38,042 INFO L600 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 [2019-10-13 21:30:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-10-13 21:30:38,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-10-13 21:30:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-10-13 21:30:38,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-10-13 21:30:38,082 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 24 [2019-10-13 21:30:38,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:30:38,082 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-10-13 21:30:38,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:30:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-10-13 21:30:38,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-13 21:30:38,085 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:30:38,085 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:30:38,086 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:30:38,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:30:38,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1072677037, now seen corresponding path program 1 times [2019-10-13 21:30:38,087 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:30:38,087 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542155435] [2019-10-13 21:30:38,087 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:30:38,088 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:30:38,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:30:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:30:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:30:38,172 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542155435] [2019-10-13 21:30:38,172 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895790288] [2019-10-13 21:30:38,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:30:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:30:38,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-13 21:30:38,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:30:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:30:38,294 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:30:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:30:38,346 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:30:38,347 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 5 [2019-10-13 21:30:38,347 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482108010] [2019-10-13 21:30:38,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:30:38,351 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:30:38,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:30:38,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:30:38,352 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 3 states. [2019-10-13 21:30:38,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:30:38,362 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2019-10-13 21:30:38,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:30:38,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-13 21:30:38,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:30:38,364 INFO L225 Difference]: With dead ends: 33 [2019-10-13 21:30:38,364 INFO L226 Difference]: Without dead ends: 21 [2019-10-13 21:30:38,365 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:30:38,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-13 21:30:38,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-13 21:30:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-13 21:30:38,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-10-13 21:30:38,371 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 25 [2019-10-13 21:30:38,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:30:38,372 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-10-13 21:30:38,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:30:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-10-13 21:30:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 21:30:38,373 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:30:38,373 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:30:38,578 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:30:38,579 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:30:38,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:30:38,580 INFO L82 PathProgramCache]: Analyzing trace with hash 608739335, now seen corresponding path program 1 times [2019-10-13 21:30:38,580 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:30:38,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447424476] [2019-10-13 21:30:38,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:30:38,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:30:38,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:30:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:30:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 21:30:38,682 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447424476] [2019-10-13 21:30:38,682 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:30:38,682 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:30:38,682 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989444873] [2019-10-13 21:30:38,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:30:38,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:30:38,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:30:38,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:30:38,684 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2019-10-13 21:30:38,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:30:38,698 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-10-13 21:30:38,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:30:38,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-13 21:30:38,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:30:38,700 INFO L225 Difference]: With dead ends: 31 [2019-10-13 21:30:38,700 INFO L226 Difference]: Without dead ends: 22 [2019-10-13 21:30:38,701 INFO L600 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 [2019-10-13 21:30:38,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-10-13 21:30:38,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-10-13 21:30:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-10-13 21:30:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-10-13 21:30:38,707 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 28 [2019-10-13 21:30:38,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:30:38,709 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-10-13 21:30:38,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:30:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-10-13 21:30:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 21:30:38,710 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:30:38,711 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:30:38,711 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:30:38,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:30:38,711 INFO L82 PathProgramCache]: Analyzing trace with hash -824983385, now seen corresponding path program 1 times [2019-10-13 21:30:38,712 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:30:38,712 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138603810] [2019-10-13 21:30:38,712 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:30:38,712 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:30:38,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:30:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:30:38,828 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 21:30:38,828 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138603810] [2019-10-13 21:30:38,829 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244688440] [2019-10-13 21:30:38,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:30:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:30:38,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 21:30:38,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:30:38,950 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 21:30:38,950 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:30:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 21:30:38,989 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1786683906] [2019-10-13 21:30:39,024 INFO L162 IcfgInterpreter]: Started Sifa with 19 locations of interest [2019-10-13 21:30:39,027 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:30:39,036 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:30:39,049 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:30:39,050 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:30:39,237 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-13 21:30:58,283 INFO L199 IcfgInterpreter]: Interpreting procedure mapavg with input of size 1 for LOIs [2019-10-13 21:30:58,329 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 21:30:58,332 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:30:58,332 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:30:58,333 INFO L193 IcfgInterpreter]: Reachable states at location L26-4 satisfy 73#(and (not (< main_~i~1 100)) (<= 100 main_~i~1)) [2019-10-13 21:30:58,333 INFO L193 IcfgInterpreter]: Reachable states at location L33 satisfy 648#true [2019-10-13 21:30:58,333 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 704#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 21:30:58,333 INFO L193 IcfgInterpreter]: Reachable states at location L26-3 satisfy 68#true [2019-10-13 21:30:58,333 INFO L193 IcfgInterpreter]: Reachable states at location mapavgEXIT satisfy 700#(and (<= 100 mapavg_~i~0) (not (< mapavg_~i~0 100)) (= (ite (<= (mod (ite (and (< mapavg_~ret~0 0) (not (= (mod mapavg_~ret~0 100) 0))) (+ (div mapavg_~ret~0 100) 1) (div mapavg_~ret~0 100)) 4294967296) 2147483647) (mod (ite (and (< mapavg_~ret~0 0) (not (= (mod mapavg_~ret~0 100) 0))) (+ (div mapavg_~ret~0 100) 1) (div mapavg_~ret~0 100)) 4294967296) (+ (mod (ite (and (< mapavg_~ret~0 0) (not (= (mod mapavg_~ret~0 100) 0))) (+ (div mapavg_~ret~0 100) 1) (div mapavg_~ret~0 100)) 4294967296) (- 4294967296))) |mapavg_#res|) (<= 0 mapavg_~i~0)) [2019-10-13 21:30:58,334 INFO L193 IcfgInterpreter]: Reachable states at location L12-3 satisfy 695#(<= 0 mapavg_~i~0) [2019-10-13 21:30:58,334 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:30:58,334 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:30:58,334 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 709#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 21:30:58,335 INFO L193 IcfgInterpreter]: Reachable states at location L39-1 satisfy 514#true [2019-10-13 21:30:58,335 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:30:58,335 INFO L193 IcfgInterpreter]: Reachable states at location L39 satisfy 563#(and (<= 99 main_~i~2) (not (< main_~i~2 99)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 396)))) [2019-10-13 21:30:58,335 INFO L193 IcfgInterpreter]: Reachable states at location mapavgENTRY satisfy 657#true [2019-10-13 21:30:58,336 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 120#(or (exists ((v_mapavg_~ret~0_BEFORE_RETURN_1 Int) (v_prenex_1 Int)) (or (and (<= (mod (+ (div v_prenex_1 100) 1) 4294967296) 2147483647) (not (< main_~i~1 100)) (< v_prenex_1 0) (not (= (mod v_prenex_1 100) 0)) (= (mod (+ (div v_prenex_1 100) 1) 4294967296) |main_#t~ret4|)) (and (= (+ (mod (div v_mapavg_~ret~0_BEFORE_RETURN_1 100) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (< main_~i~1 100)) (not (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_1 100) 4294967296) 2147483647)) (not (< v_mapavg_~ret~0_BEFORE_RETURN_1 0))) (and (not (< main_~i~1 100)) (not (<= (mod (+ (div v_prenex_1 100) 1) 4294967296) 2147483647)) (< v_prenex_1 0) (= (+ (mod (+ (div v_prenex_1 100) 1) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (= (mod v_prenex_1 100) 0))) (and (= |main_#t~ret4| (mod (div v_mapavg_~ret~0_BEFORE_RETURN_1 100) 4294967296)) (not (< main_~i~1 100)) (= (mod v_mapavg_~ret~0_BEFORE_RETURN_1 100) 0) (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_1 100) 4294967296) 2147483647)) (and (= (+ (mod (div v_mapavg_~ret~0_BEFORE_RETURN_1 100) 4294967296) (- 4294967296)) |main_#t~ret4|) (not (< main_~i~1 100)) (not (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_1 100) 4294967296) 2147483647)) (= (mod v_mapavg_~ret~0_BEFORE_RETURN_1 100) 0)) (and (= |main_#t~ret4| (mod (div v_mapavg_~ret~0_BEFORE_RETURN_1 100) 4294967296)) (not (< main_~i~1 100)) (not (< v_mapavg_~ret~0_BEFORE_RETURN_1 0)) (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_1 100) 4294967296) 2147483647)))) (exists ((v_prenex_2 Int) (v_mapavg_~ret~0_BEFORE_RETURN_2 Int)) (or (and (<= (mod (+ (div v_prenex_2 100) 1) 4294967296) 2147483647) (<= (mod (div v_prenex_2 100) 4294967296) 2147483647) (not (< v_prenex_2 0)) (not (< main_~i~1 100)) (= (mod (div v_prenex_2 100) 4294967296) |main_#t~ret4|)) (and (not (= 0 (mod v_mapavg_~ret~0_BEFORE_RETURN_2 100))) (not (<= (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 1) 4294967296) 2147483647)) (not (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 4294967296) 2147483647)) (not (< main_~i~1 100)) (= (+ (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 1) 4294967296) (- 4294967296)) |main_#t~ret4|) (< v_mapavg_~ret~0_BEFORE_RETURN_2 0)) (and (<= (mod (+ (div v_prenex_2 100) 1) 4294967296) 2147483647) (<= (mod (div v_prenex_2 100) 4294967296) 2147483647) (not (< main_~i~1 100)) (= (mod (div v_prenex_2 100) 4294967296) |main_#t~ret4|) (= 0 (mod v_prenex_2 100))) (and (not (<= (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 1) 4294967296) 2147483647)) (not (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 4294967296) 2147483647)) (not (< main_~i~1 100)) (not (< v_mapavg_~ret~0_BEFORE_RETURN_2 0)) (= |main_#t~ret4| (+ (mod (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 4294967296) (- 4294967296)))) (and (= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 4294967296) |main_#t~ret4|) (not (<= (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 1) 4294967296) 2147483647)) (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 4294967296) 2147483647) (not (< main_~i~1 100)) (not (< v_mapavg_~ret~0_BEFORE_RETURN_2 0))) (and (<= (mod (+ (div v_prenex_2 100) 1) 4294967296) 2147483647) (not (< main_~i~1 100)) (not (<= (mod (div v_prenex_2 100) 4294967296) 2147483647)) (= 0 (mod v_prenex_2 100)) (= |main_#t~ret4| (+ (mod (div v_prenex_2 100) 4294967296) (- 4294967296)))) (and (not (= 0 (mod v_mapavg_~ret~0_BEFORE_RETURN_2 100))) (not (<= (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 1) 4294967296) 2147483647)) (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 4294967296) 2147483647) (not (< main_~i~1 100)) (= (+ (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 1) 4294967296) (- 4294967296)) |main_#t~ret4|) (< v_mapavg_~ret~0_BEFORE_RETURN_2 0)) (and (<= (mod (+ (div v_prenex_2 100) 1) 4294967296) 2147483647) (<= (mod (div v_prenex_2 100) 4294967296) 2147483647) (not (< main_~i~1 100)) (= (mod (+ (div v_prenex_2 100) 1) 4294967296) |main_#t~ret4|) (not (= 0 (mod v_prenex_2 100))) (< v_prenex_2 0)) (and (<= (mod (+ (div v_prenex_2 100) 1) 4294967296) 2147483647) (not (< main_~i~1 100)) (not (<= (mod (div v_prenex_2 100) 4294967296) 2147483647)) (= (mod (+ (div v_prenex_2 100) 1) 4294967296) |main_#t~ret4|) (not (= 0 (mod v_prenex_2 100))) (< v_prenex_2 0)) (and (= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 4294967296) |main_#t~ret4|) (not (<= (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 1) 4294967296) 2147483647)) (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 4294967296) 2147483647) (not (< main_~i~1 100)) (= 0 (mod v_mapavg_~ret~0_BEFORE_RETURN_2 100))) (and (<= (mod (+ (div v_prenex_2 100) 1) 4294967296) 2147483647) (not (< v_prenex_2 0)) (not (< main_~i~1 100)) (not (<= (mod (div v_prenex_2 100) 4294967296) 2147483647)) (= |main_#t~ret4| (+ (mod (div v_prenex_2 100) 4294967296) (- 4294967296)))) (and (not (<= (mod (+ (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 1) 4294967296) 2147483647)) (not (<= (mod (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 4294967296) 2147483647)) (not (< main_~i~1 100)) (= 0 (mod v_mapavg_~ret~0_BEFORE_RETURN_2 100)) (= |main_#t~ret4| (+ (mod (div v_mapavg_~ret~0_BEFORE_RETURN_2 100) 4294967296) (- 4294967296))))))) [2019-10-13 21:30:58,336 INFO L193 IcfgInterpreter]: Reachable states at location L41 satisfy 453#true [2019-10-13 21:30:58,336 INFO L193 IcfgInterpreter]: Reachable states at location L42 satisfy 327#(or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) [2019-10-13 21:30:58,336 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 243#(or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) [2019-10-13 21:30:58,336 INFO L193 IcfgInterpreter]: Reachable states at location L33-1 satisfy 643#true [2019-10-13 21:30:58,337 INFO L193 IcfgInterpreter]: Reachable states at location L35-3 satisfy 607#true [2019-10-13 21:31:00,583 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:31:00,583 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 11] total 17 [2019-10-13 21:31:00,584 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841355403] [2019-10-13 21:31:00,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-13 21:31:00,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:31:00,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-13 21:31:00,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=225, Unknown=1, NotChecked=0, Total=272 [2019-10-13 21:31:00,586 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 17 states.