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-tiling/rewnif.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:39:35,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:39:35,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:39:35,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:39:35,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:39:35,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:39:35,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:39:35,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:39:35,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:39:35,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:39:35,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:39:35,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:39:35,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:39:35,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:39:35,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:39:35,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:39:35,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:39:35,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:39:35,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:39:35,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:39:35,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:39:35,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:39:35,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:39:35,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:39:35,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 21:39:35,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:39:35,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:39:35,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:39:35,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:39:35,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:39:35,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:39:35,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:39:35,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:39:35,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:39:35,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:39:35,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:39:35,898 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 21:39:35,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:39:35,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:39:35,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:39:35,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:39:35,934 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:39:35,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:39:35,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:39:35,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:39:35,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:39:35,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:39:35,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:39:35,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:39:35,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:39:35,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:39:35,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:39:35,937 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:39:35,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:39:35,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:39:35,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:39:35,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:39:35,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:39:35,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:39:35,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:39:35,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:39:35,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:39:35,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:39:35,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:39:35,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:39:35,939 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 21:39:36,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:39:36,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:39:36,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:39:36,256 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:39:36,257 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:39:36,257 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnif.c [2019-10-13 21:39:36,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6a86ac4/74eb41323b514d0c998899d3b6745c0b/FLAG7864af326 [2019-10-13 21:39:36,797 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:39:36,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnif.c [2019-10-13 21:39:36,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6a86ac4/74eb41323b514d0c998899d3b6745c0b/FLAG7864af326 [2019-10-13 21:39:37,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6a86ac4/74eb41323b514d0c998899d3b6745c0b [2019-10-13 21:39:37,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:39:37,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:39:37,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:39:37,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:39:37,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:39:37,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:39:37" (1/1) ... [2019-10-13 21:39:37,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3686b925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37, skipping insertion in model container [2019-10-13 21:39:37,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:39:37" (1/1) ... [2019-10-13 21:39:37,200 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:39:37,218 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:39:37,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:39:37,410 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:39:37,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:39:37,444 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:39:37,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37 WrapperNode [2019-10-13 21:39:37,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:39:37,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:39:37,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:39:37,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:39:37,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37" (1/1) ... [2019-10-13 21:39:37,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37" (1/1) ... [2019-10-13 21:39:37,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37" (1/1) ... [2019-10-13 21:39:37,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37" (1/1) ... [2019-10-13 21:39:37,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37" (1/1) ... [2019-10-13 21:39:37,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37" (1/1) ... [2019-10-13 21:39:37,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37" (1/1) ... [2019-10-13 21:39:37,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:39:37,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:39:37,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:39:37,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:39:37,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37" (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 21:39:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:39:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:39:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 21:39:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:39:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:39:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 21:39:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 21:39:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:39:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:39:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:39:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:39:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:39:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:39:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:39:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:39:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:39:37,953 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:39:37,953 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-13 21:39:37,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:39:37 BoogieIcfgContainer [2019-10-13 21:39:37,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:39:37,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:39:37,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:39:37,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:39:37,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:39:37" (1/3) ... [2019-10-13 21:39:37,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e282a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:39:37, skipping insertion in model container [2019-10-13 21:39:37,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:39:37" (2/3) ... [2019-10-13 21:39:37,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e282a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:39:37, skipping insertion in model container [2019-10-13 21:39:37,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:39:37" (3/3) ... [2019-10-13 21:39:37,963 INFO L109 eAbstractionObserver]: Analyzing ICFG rewnif.c [2019-10-13 21:39:37,973 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:39:37,981 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:39:37,993 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:39:38,023 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:39:38,023 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:39:38,024 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:39:38,024 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:39:38,024 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:39:38,024 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:39:38,025 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:39:38,025 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:39:38,043 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-10-13 21:39:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-13 21:39:38,050 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:38,051 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:38,052 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:38,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:38,056 INFO L82 PathProgramCache]: Analyzing trace with hash 698834392, now seen corresponding path program 1 times [2019-10-13 21:39:38,063 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:38,063 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778573231] [2019-10-13 21:39:38,064 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:38,064 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:38,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:38,238 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778573231] [2019-10-13 21:39:38,239 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:39:38,241 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:39:38,242 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336930012] [2019-10-13 21:39:38,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:39:38,247 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:38,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:39:38,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:39:38,263 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2019-10-13 21:39:38,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:38,314 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2019-10-13 21:39:38,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:39:38,316 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-10-13 21:39:38,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:38,323 INFO L225 Difference]: With dead ends: 34 [2019-10-13 21:39:38,323 INFO L226 Difference]: Without dead ends: 17 [2019-10-13 21:39:38,326 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 21:39:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-10-13 21:39:38,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-10-13 21:39:38,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-10-13 21:39:38,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-10-13 21:39:38,359 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2019-10-13 21:39:38,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:38,359 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-10-13 21:39:38,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:39:38,360 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-10-13 21:39:38,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-13 21:39:38,361 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:38,361 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:38,361 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:38,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:38,362 INFO L82 PathProgramCache]: Analyzing trace with hash -494855414, now seen corresponding path program 1 times [2019-10-13 21:39:38,362 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:38,362 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17432356] [2019-10-13 21:39:38,363 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:38,363 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:38,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:38,430 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17432356] [2019-10-13 21:39:38,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528257303] [2019-10-13 21:39:38,431 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 21:39:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:38,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:39:38,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:38,577 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:39:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:38,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1673547117] [2019-10-13 21:39:38,633 INFO L162 IcfgInterpreter]: Started Sifa with 13 locations of interest [2019-10-13 21:39:38,633 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:39:38,640 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:39:38,648 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:39:38,649 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:39:38,897 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-13 21:39:39,365 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2019-10-13 21:39:39,381 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:39,391 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:39,391 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:39,392 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 91#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~a~0.base_BEFORE_CALL_1 Int) (v_main_~a~0.offset_BEFORE_CALL_1 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1)) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (not (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:39,392 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 100#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:39,392 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= ~SIZE~0 2147483647) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:39,393 INFO L193 IcfgInterpreter]: Reachable states at location L28-3 satisfy 71#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (= main_~i~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:39,393 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 86#(and (exists ((v_main_~a~0.base_BEFORE_CALL_1 Int) (v_main_~a~0.offset_BEFORE_CALL_1 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1)) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (not (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:39,394 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 66#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:39,394 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:39,394 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:39,395 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 105#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:39,395 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:39,395 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 81#(exists ((v_main_~a~0.base_BEFORE_CALL_1 Int) (v_main_~a~0.offset_BEFORE_CALL_1 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1)) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (not (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-13 21:39:39,396 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 76#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (= main_~i~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:39,396 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 96#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~a~0.base_BEFORE_CALL_1 Int) (v_main_~a~0.offset_BEFORE_CALL_1 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1)) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_1 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (not (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_1) v_main_~a~0.offset_BEFORE_CALL_1))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:39,886 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 23 [2019-10-13 21:39:40,181 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:39:40,182 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 11] total 18 [2019-10-13 21:39:40,182 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889108345] [2019-10-13 21:39:40,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-13 21:39:40,184 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:40,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-13 21:39:40,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2019-10-13 21:39:40,188 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 18 states. [2019-10-13 21:39:40,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:40,798 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2019-10-13 21:39:40,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:39:40,799 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 13 [2019-10-13 21:39:40,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:40,800 INFO L225 Difference]: With dead ends: 36 [2019-10-13 21:39:40,800 INFO L226 Difference]: Without dead ends: 27 [2019-10-13 21:39:40,801 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:39:40,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-13 21:39:40,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2019-10-13 21:39:40,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-10-13 21:39:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-10-13 21:39:40,808 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2019-10-13 21:39:40,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:40,808 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-10-13 21:39:40,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-13 21:39:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-10-13 21:39:40,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-13 21:39:40,809 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:40,810 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:41,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:41,013 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:41,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:41,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1155466264, now seen corresponding path program 2 times [2019-10-13 21:39:41,014 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:41,015 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875493235] [2019-10-13 21:39:41,015 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:41,016 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:41,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:41,274 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875493235] [2019-10-13 21:39:41,275 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616853410] [2019-10-13 21:39:41,275 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 21:39:41,336 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-10-13 21:39:41,336 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 21:39:41,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-13 21:39:41,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:41,631 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:39:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:41,795 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [619984075] [2019-10-13 21:39:41,796 INFO L162 IcfgInterpreter]: Started Sifa with 13 locations of interest [2019-10-13 21:39:41,797 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:39:41,797 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:39:41,797 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:39:41,798 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:39:41,837 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-13 21:39:42,092 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2019-10-13 21:39:42,102 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:42,108 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:42,108 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:42,109 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 91#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (exists ((v_main_~a~0.base_BEFORE_CALL_2 Int) (v_main_~a~0.offset_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2)) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (not (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2))) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:42,109 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 100#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:42,109 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:42,110 INFO L193 IcfgInterpreter]: Reachable states at location L28-3 satisfy 71#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (= main_~i~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:42,110 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 86#(and (exists ((v_main_~a~0.base_BEFORE_CALL_2 Int) (v_main_~a~0.offset_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2)) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (not (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2))) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:42,110 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 66#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:42,111 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:42,111 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:42,111 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 105#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:42,111 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:42,112 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 81#(exists ((v_main_~a~0.base_BEFORE_CALL_2 Int) (v_main_~a~0.offset_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2)) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (not (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2))) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)))) [2019-10-13 21:39:42,112 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 76#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (= main_~i~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:42,112 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 96#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (exists ((v_main_~a~0.base_BEFORE_CALL_2 Int) (v_main_~a~0.offset_BEFORE_CALL_2 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2)) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_2) (not (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) v_main_~a~0.offset_BEFORE_CALL_2))) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_2 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:42,673 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 23 [2019-10-13 21:39:43,001 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:39:43,001 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 11] total 31 [2019-10-13 21:39:43,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14742635] [2019-10-13 21:39:43,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-13 21:39:43,003 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:43,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-13 21:39:43,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2019-10-13 21:39:43,004 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 31 states. [2019-10-13 21:39:43,600 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-10-13 21:39:43,830 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-10-13 21:39:44,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:44,278 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-10-13 21:39:44,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:39:44,279 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 14 [2019-10-13 21:39:44,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:44,281 INFO L225 Difference]: With dead ends: 30 [2019-10-13 21:39:44,281 INFO L226 Difference]: Without dead ends: 28 [2019-10-13 21:39:44,282 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=192, Invalid=1290, Unknown=0, NotChecked=0, Total=1482 [2019-10-13 21:39:44,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-10-13 21:39:44,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2019-10-13 21:39:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-10-13 21:39:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-10-13 21:39:44,295 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 14 [2019-10-13 21:39:44,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:44,295 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-10-13 21:39:44,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-13 21:39:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-10-13 21:39:44,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-13 21:39:44,296 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:44,296 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:44,503 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:44,504 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:44,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:44,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1648168292, now seen corresponding path program 1 times [2019-10-13 21:39:44,505 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:44,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232831739] [2019-10-13 21:39:44,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:44,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:44,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:44,655 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232831739] [2019-10-13 21:39:44,655 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823476705] [2019-10-13 21:39:44,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:44,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-13 21:39:44,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:44,920 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:39:44,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:44,996 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1051381861] [2019-10-13 21:39:44,998 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:39:44,998 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:39:44,998 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:39:44,998 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:39:44,998 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:39:45,034 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-13 21:39:45,473 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:39:45,484 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:45,488 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:45,489 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:45,489 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 180#(and (exists ((v_main_~a~0.base_BEFORE_CALL_11 Int) (v_main_~a~0.offset_BEFORE_CALL_11 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (not (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4))))) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:45,489 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 189#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:45,490 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 175#(and (exists ((v_main_~a~0.base_BEFORE_CALL_11 Int) (v_main_~a~0.offset_BEFORE_CALL_11 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (not (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4))))) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:45,490 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 170#(and (exists ((v_main_~a~0.base_BEFORE_CALL_11 Int) (v_main_~a~0.offset_BEFORE_CALL_11 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (not (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4))))) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:45,490 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:45,490 INFO L193 IcfgInterpreter]: Reachable states at location L28-3 satisfy 138#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:45,491 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 165#(and (exists ((v_main_~a~0.base_BEFORE_CALL_11 Int) (v_main_~a~0.offset_BEFORE_CALL_11 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (not (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4))))) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:45,491 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 66#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:45,491 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:45,491 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:45,492 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 194#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:45,492 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:45,492 INFO L193 IcfgInterpreter]: Reachable states at location L30-1 satisfy 156#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~i~0 |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0)) [2019-10-13 21:39:45,492 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 160#(exists ((v_main_~a~0.base_BEFORE_CALL_11 Int) (v_main_~a~0.offset_BEFORE_CALL_11 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (not (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4))))) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-13 21:39:45,492 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 143#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:45,493 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 185#(and (exists ((v_main_~a~0.base_BEFORE_CALL_11 Int) (v_main_~a~0.offset_BEFORE_CALL_11 Int) (v_main_~i~0_BEFORE_CALL_13 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (not (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4))))) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_13 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_11 0) (<= 0 v_main_~i~0_BEFORE_CALL_13) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_11) (<= v_main_~i~0_BEFORE_CALL_13 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_11) (+ v_main_~a~0.offset_BEFORE_CALL_11 (* v_main_~i~0_BEFORE_CALL_13 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:46,069 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 23 [2019-10-13 21:39:46,534 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:39:46,534 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 10, 12] total 32 [2019-10-13 21:39:46,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139995029] [2019-10-13 21:39:46,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-10-13 21:39:46,536 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:46,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-10-13 21:39:46,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2019-10-13 21:39:46,538 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 32 states. [2019-10-13 21:39:49,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:49,235 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2019-10-13 21:39:49,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-13 21:39:49,236 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 21 [2019-10-13 21:39:49,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:49,237 INFO L225 Difference]: With dead ends: 52 [2019-10-13 21:39:49,237 INFO L226 Difference]: Without dead ends: 50 [2019-10-13 21:39:49,239 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 37 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=385, Invalid=3037, Unknown=0, NotChecked=0, Total=3422 [2019-10-13 21:39:49,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-10-13 21:39:49,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 43. [2019-10-13 21:39:49,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-13 21:39:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2019-10-13 21:39:49,255 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 21 [2019-10-13 21:39:49,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:49,256 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2019-10-13 21:39:49,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-10-13 21:39:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2019-10-13 21:39:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-13 21:39:49,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:49,258 INFO L380 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:49,461 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:49,461 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:49,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:49,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1209668182, now seen corresponding path program 2 times [2019-10-13 21:39:49,463 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:49,463 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3600095] [2019-10-13 21:39:49,463 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:49,464 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:49,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:49,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3600095] [2019-10-13 21:39:49,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809339635] [2019-10-13 21:39:49,591 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:49,660 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-13 21:39:49,661 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 21:39:49,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 30 conjunts are in the unsatisfiable core [2019-10-13 21:39:49,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:50,145 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:39:50,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:39:50,286 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [74269916] [2019-10-13 21:39:50,288 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:39:50,288 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:39:50,288 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:39:50,289 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:39:50,289 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:39:50,322 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-13 21:39:50,725 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:39:50,735 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:50,739 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:50,739 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:50,739 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 191#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_25 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4)))) (<= 100000 ~MAX~0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:50,739 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 200#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:50,740 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 186#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_25 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4)))) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:50,740 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 181#(and (not (= 0 __VERIFIER_assert_~cond)) (exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_25 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4)))) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:50,740 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:50,740 INFO L193 IcfgInterpreter]: Reachable states at location L28-3 satisfy 149#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:50,741 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 176#(and (exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_25 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4)))) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:50,741 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 77#(and (or (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0)) (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:50,741 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:50,741 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:50,742 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 205#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:50,742 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:50,742 INFO L193 IcfgInterpreter]: Reachable states at location L30-1 satisfy 167#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~i~0 |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0)) [2019-10-13 21:39:50,742 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 171#(exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_25 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4)))) (<= 100000 ~MAX~0)))) [2019-10-13 21:39:50,742 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 154#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:50,743 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 196#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~a~0.base_BEFORE_CALL_22 Int) (v_main_~a~0.offset_BEFORE_CALL_22 Int) (v_main_~i~0_BEFORE_CALL_25 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_25) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_22 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_22) (< v_main_~i~0_BEFORE_CALL_25 ~SIZE~0) (= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_25 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_22) (+ v_main_~a~0.offset_BEFORE_CALL_22 (* v_main_~i~0_BEFORE_CALL_25 4)))) (<= 100000 ~MAX~0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:51,825 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:39:51,825 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 11, 12] total 37 [2019-10-13 21:39:51,825 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269979654] [2019-10-13 21:39:51,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-10-13 21:39:51,826 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:51,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-10-13 21:39:51,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1202, Unknown=0, NotChecked=0, Total=1332 [2019-10-13 21:39:51,828 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 37 states. [2019-10-13 21:39:52,845 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-13 21:39:53,713 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 64 [2019-10-13 21:39:53,957 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-10-13 21:39:54,197 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2019-10-13 21:39:54,802 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-10-13 21:39:55,383 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-10-13 21:39:55,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:55,516 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2019-10-13 21:39:55,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-10-13 21:39:55,517 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 22 [2019-10-13 21:39:55,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:55,519 INFO L225 Difference]: With dead ends: 57 [2019-10-13 21:39:55,519 INFO L226 Difference]: Without dead ends: 55 [2019-10-13 21:39:55,522 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 37 SyntacticMatches, 6 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=545, Invalid=4285, Unknown=0, NotChecked=0, Total=4830 [2019-10-13 21:39:55,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-13 21:39:55,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 29. [2019-10-13 21:39:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-13 21:39:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2019-10-13 21:39:55,533 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 22 [2019-10-13 21:39:55,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:55,534 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2019-10-13 21:39:55,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-10-13 21:39:55,534 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-10-13 21:39:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-13 21:39:55,535 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:55,535 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:55,741 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:55,742 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:55,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:55,742 INFO L82 PathProgramCache]: Analyzing trace with hash -145594472, now seen corresponding path program 3 times [2019-10-13 21:39:55,742 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:55,742 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298634378] [2019-10-13 21:39:55,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:55,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:55,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:39:55,816 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298634378] [2019-10-13 21:39:55,816 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102903740] [2019-10-13 21:39:55,817 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:55,882 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-13 21:39:55,882 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 21:39:55,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:39:55,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:39:55,933 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:39:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:39:55,962 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1166355315] [2019-10-13 21:39:55,963 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:39:55,964 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:39:55,964 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:39:55,964 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:39:55,964 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:39:56,006 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-10-13 21:39:56,440 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:39:56,451 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:39:56,455 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:39:56,455 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:39:56,455 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 180#(and (exists ((v_main_~a~0.base_BEFORE_CALL_31 Int) (v_main_~a~0.offset_BEFORE_CALL_31 Int) (v_main_~i~0_BEFORE_CALL_38 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:56,460 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 189#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:39:56,460 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 175#(and (exists ((v_main_~a~0.base_BEFORE_CALL_31 Int) (v_main_~a~0.offset_BEFORE_CALL_31 Int) (v_main_~i~0_BEFORE_CALL_38 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:56,461 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 170#(and (exists ((v_main_~a~0.base_BEFORE_CALL_31 Int) (v_main_~a~0.offset_BEFORE_CALL_31 Int) (v_main_~i~0_BEFORE_CALL_38 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:56,461 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:39:56,462 INFO L193 IcfgInterpreter]: Reachable states at location L28-3 satisfy 138#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:56,462 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 165#(and (exists ((v_main_~a~0.base_BEFORE_CALL_31 Int) (v_main_~a~0.offset_BEFORE_CALL_31 Int) (v_main_~i~0_BEFORE_CALL_38 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:56,462 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 66#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:56,463 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:56,463 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:56,463 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 194#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:56,464 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:39:56,464 INFO L193 IcfgInterpreter]: Reachable states at location L30-1 satisfy 156#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~i~0 |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0)) [2019-10-13 21:39:56,464 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 160#(exists ((v_main_~a~0.base_BEFORE_CALL_31 Int) (v_main_~a~0.offset_BEFORE_CALL_31 Int) (v_main_~i~0_BEFORE_CALL_38 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-13 21:39:56,465 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 143#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:39:56,465 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 185#(and (exists ((v_main_~a~0.base_BEFORE_CALL_31 Int) (v_main_~a~0.offset_BEFORE_CALL_31 Int) (v_main_~i~0_BEFORE_CALL_38 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4)))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_38) (<= ~SIZE~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_31) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_31 0) (< v_main_~i~0_BEFORE_CALL_38 ~SIZE~0) (not (<= v_main_~i~0_BEFORE_CALL_38 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_31) (+ v_main_~a~0.offset_BEFORE_CALL_31 (* v_main_~i~0_BEFORE_CALL_38 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:39:57,090 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 23 [2019-10-13 21:39:57,629 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:39:57,630 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8, 12] total 26 [2019-10-13 21:39:57,630 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974222886] [2019-10-13 21:39:57,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-13 21:39:57,631 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:39:57,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-13 21:39:57,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2019-10-13 21:39:57,632 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 26 states. [2019-10-13 21:39:59,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:39:59,289 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2019-10-13 21:39:59,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-13 21:39:59,290 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 28 [2019-10-13 21:39:59,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:39:59,292 INFO L225 Difference]: With dead ends: 58 [2019-10-13 21:39:59,292 INFO L226 Difference]: Without dead ends: 34 [2019-10-13 21:39:59,293 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 60 SyntacticMatches, 7 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=354, Invalid=2096, Unknown=0, NotChecked=0, Total=2450 [2019-10-13 21:39:59,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-10-13 21:39:59,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2019-10-13 21:39:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-13 21:39:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2019-10-13 21:39:59,302 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 28 [2019-10-13 21:39:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:39:59,303 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2019-10-13 21:39:59,303 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-13 21:39:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2019-10-13 21:39:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 21:39:59,304 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:39:59,304 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:39:59,507 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:59,508 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:39:59,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:39:59,508 INFO L82 PathProgramCache]: Analyzing trace with hash 138379466, now seen corresponding path program 4 times [2019-10-13 21:39:59,509 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:39:59,509 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574981424] [2019-10-13 21:39:59,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:59,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:39:59,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:39:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:39:59,648 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574981424] [2019-10-13 21:39:59,648 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884498007] [2019-10-13 21:39:59,648 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:39:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:39:59,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-13 21:39:59,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:39:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:39:59,979 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:40:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:40:00,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1457817641] [2019-10-13 21:40:00,049 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:40:00,049 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:40:00,049 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:40:00,050 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:40:00,050 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:40:00,083 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-13 21:40:00,400 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:40:00,414 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:40:00,417 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:40:00,418 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:40:00,418 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 180#(and (exists ((v_main_~a~0.base_BEFORE_CALL_44 Int) (v_main_~i~0_BEFORE_CALL_52 Int) (v_main_~a~0.offset_BEFORE_CALL_44 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44))) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (not (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44)))) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:40:00,418 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 189#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:40:00,418 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 175#(and (exists ((v_main_~a~0.base_BEFORE_CALL_44 Int) (v_main_~i~0_BEFORE_CALL_52 Int) (v_main_~a~0.offset_BEFORE_CALL_44 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44))) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (not (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44)))) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:40:00,419 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 170#(and (exists ((v_main_~a~0.base_BEFORE_CALL_44 Int) (v_main_~i~0_BEFORE_CALL_52 Int) (v_main_~a~0.offset_BEFORE_CALL_44 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44))) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (not (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44)))) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:40:00,419 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:40:00,419 INFO L193 IcfgInterpreter]: Reachable states at location L28-3 satisfy 138#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:00,419 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 165#(and (exists ((v_main_~a~0.base_BEFORE_CALL_44 Int) (v_main_~i~0_BEFORE_CALL_52 Int) (v_main_~a~0.offset_BEFORE_CALL_44 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44))) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (not (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44)))) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:40:00,419 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 66#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:00,419 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:00,420 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:00,420 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 194#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:00,420 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:40:00,420 INFO L193 IcfgInterpreter]: Reachable states at location L30-1 satisfy 156#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~i~0 |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0)) [2019-10-13 21:40:00,420 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 160#(exists ((v_main_~a~0.base_BEFORE_CALL_44 Int) (v_main_~i~0_BEFORE_CALL_52 Int) (v_main_~a~0.offset_BEFORE_CALL_44 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44))) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (not (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44)))) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-13 21:40:00,421 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 143#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:00,421 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 185#(and (exists ((v_main_~a~0.base_BEFORE_CALL_44 Int) (v_main_~i~0_BEFORE_CALL_52 Int) (v_main_~a~0.offset_BEFORE_CALL_44 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44))) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (not (<= v_main_~i~0_BEFORE_CALL_52 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_44) (+ (* v_main_~i~0_BEFORE_CALL_52 4) v_main_~a~0.offset_BEFORE_CALL_44)))) (< v_main_~i~0_BEFORE_CALL_52 ~SIZE~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_44) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~a~0.offset_BEFORE_CALL_44 0) (<= 0 v_main_~i~0_BEFORE_CALL_52) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:40:01,533 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:40:01,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 12, 12] total 35 [2019-10-13 21:40:01,534 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232461534] [2019-10-13 21:40:01,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-10-13 21:40:01,535 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:01,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-10-13 21:40:01,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1077, Unknown=0, NotChecked=0, Total=1190 [2019-10-13 21:40:01,536 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand 35 states. [2019-10-13 21:40:04,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:04,644 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2019-10-13 21:40:04,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-10-13 21:40:04,645 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 29 [2019-10-13 21:40:04,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:04,647 INFO L225 Difference]: With dead ends: 63 [2019-10-13 21:40:04,647 INFO L226 Difference]: Without dead ends: 61 [2019-10-13 21:40:04,649 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 55 SyntacticMatches, 11 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=469, Invalid=4087, Unknown=0, NotChecked=0, Total=4556 [2019-10-13 21:40:04,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-10-13 21:40:04,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 52. [2019-10-13 21:40:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-10-13 21:40:04,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2019-10-13 21:40:04,668 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 29 [2019-10-13 21:40:04,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:04,669 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2019-10-13 21:40:04,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-10-13 21:40:04,669 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2019-10-13 21:40:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-13 21:40:04,670 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:04,670 INFO L380 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:40:04,873 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:40:04,874 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:04,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:04,875 INFO L82 PathProgramCache]: Analyzing trace with hash 351636952, now seen corresponding path program 5 times [2019-10-13 21:40:04,875 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:04,875 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611306407] [2019-10-13 21:40:04,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:04,876 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:04,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:40:05,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611306407] [2019-10-13 21:40:05,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396333047] [2019-10-13 21:40:05,046 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:40:05,144 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-13 21:40:05,145 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 21:40:05,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2019-10-13 21:40:05,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:40:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:40:05,915 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:40:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:40:06,054 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1402059502] [2019-10-13 21:40:06,055 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:40:06,055 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:40:06,056 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:40:06,057 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:40:06,057 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:40:06,082 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-13 21:40:06,419 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:40:06,435 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:40:06,442 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:40:06,443 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:40:06,443 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 191#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.offset_BEFORE_CALL_57 Int) (v_main_~a~0.base_BEFORE_CALL_57 Int) (v_main_~i~0_BEFORE_CALL_66 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0))))) [2019-10-13 21:40:06,443 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 200#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:40:06,443 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 186#(and (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.offset_BEFORE_CALL_57 Int) (v_main_~a~0.base_BEFORE_CALL_57 Int) (v_main_~i~0_BEFORE_CALL_66 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0))))) [2019-10-13 21:40:06,444 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 181#(and (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.offset_BEFORE_CALL_57 Int) (v_main_~a~0.base_BEFORE_CALL_57 Int) (v_main_~i~0_BEFORE_CALL_66 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0))))) [2019-10-13 21:40:06,444 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:40:06,444 INFO L193 IcfgInterpreter]: Reachable states at location L28-3 satisfy 149#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:06,444 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 176#(and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.offset_BEFORE_CALL_57 Int) (v_main_~a~0.base_BEFORE_CALL_57 Int) (v_main_~i~0_BEFORE_CALL_66 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0))))) [2019-10-13 21:40:06,444 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 77#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (= 0 (select |old(#valid)| 0)) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (= |#NULL.offset| 0))) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:06,444 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:06,445 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |old(~SIZE~0)|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:06,445 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 205#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:06,445 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:40:06,445 INFO L193 IcfgInterpreter]: Reachable states at location L30-1 satisfy 167#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~i~0 |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0)) [2019-10-13 21:40:06,445 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 171#(exists ((v_main_~a~0.offset_BEFORE_CALL_57 Int) (v_main_~a~0.base_BEFORE_CALL_57 Int) (v_main_~i~0_BEFORE_CALL_66 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0)))) [2019-10-13 21:40:06,445 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 154#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:06,446 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 196#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((v_main_~a~0.offset_BEFORE_CALL_57 Int) (v_main_~a~0.base_BEFORE_CALL_57 Int) (v_main_~i~0_BEFORE_CALL_66 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_57 0) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_66 ~SIZE~0) (<= 0 v_main_~i~0_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_66 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_57) (+ v_main_~a~0.offset_BEFORE_CALL_57 (* v_main_~i~0_BEFORE_CALL_66 4))))) (= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_57) (<= 100000 ~MAX~0))))) [2019-10-13 21:40:07,652 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:40:07,652 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 13, 12] total 41 [2019-10-13 21:40:07,653 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633300884] [2019-10-13 21:40:07,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-10-13 21:40:07,654 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:07,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-10-13 21:40:07,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1494, Unknown=0, NotChecked=0, Total=1640 [2019-10-13 21:40:07,655 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand 41 states. [2019-10-13 21:40:08,363 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-10-13 21:40:08,725 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-13 21:40:09,041 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-13 21:40:10,030 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-13 21:40:10,322 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-13 21:40:10,628 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-13 21:40:10,965 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-10-13 21:40:11,238 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-10-13 21:40:11,508 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2019-10-13 21:40:12,366 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-10-13 21:40:12,978 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-10-13 21:40:13,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:13,106 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2019-10-13 21:40:13,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-10-13 21:40:13,107 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 30 [2019-10-13 21:40:13,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:13,108 INFO L225 Difference]: With dead ends: 68 [2019-10-13 21:40:13,109 INFO L226 Difference]: Without dead ends: 66 [2019-10-13 21:40:13,112 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 55 SyntacticMatches, 10 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1889 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=681, Invalid=5799, Unknown=0, NotChecked=0, Total=6480 [2019-10-13 21:40:13,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-10-13 21:40:13,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 33. [2019-10-13 21:40:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-13 21:40:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2019-10-13 21:40:13,124 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 30 [2019-10-13 21:40:13,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:13,125 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2019-10-13 21:40:13,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-10-13 21:40:13,125 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2019-10-13 21:40:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-13 21:40:13,126 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:13,126 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:40:13,326 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:40:13,327 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:40:13,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:40:13,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1699731030, now seen corresponding path program 6 times [2019-10-13 21:40:13,328 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 21:40:13,328 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066531016] [2019-10-13 21:40:13,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:13,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:40:13,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:40:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:40:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:40:13,415 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066531016] [2019-10-13 21:40:13,415 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296695976] [2019-10-13 21:40:13,415 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:40:13,512 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-13 21:40:13,513 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 21:40:13,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-13 21:40:13,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:40:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:40:13,607 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:40:13,657 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:40:13,657 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [611371542] [2019-10-13 21:40:13,658 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-10-13 21:40:13,658 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 21:40:13,659 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 21:40:13,659 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 21:40:13,659 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 21:40:13,683 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-10-13 21:40:14,002 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-10-13 21:40:14,014 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 16 for LOIs [2019-10-13 21:40:14,019 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 21:40:14,020 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 21:40:14,020 INFO L193 IcfgInterpreter]: Reachable states at location L3-1 satisfy 180#(and (exists ((v_main_~a~0.base_BEFORE_CALL_66 Int) (v_main_~a~0.offset_BEFORE_CALL_66 Int) (v_main_~i~0_BEFORE_CALL_81 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:40:14,020 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 189#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= ~MAX~0 |old(~MAX~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~SIZE~0)| ~SIZE~0)) [2019-10-13 21:40:14,021 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertEXIT satisfy 175#(and (exists ((v_main_~a~0.base_BEFORE_CALL_66 Int) (v_main_~a~0.offset_BEFORE_CALL_66 Int) (v_main_~i~0_BEFORE_CALL_81 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:40:14,021 INFO L193 IcfgInterpreter]: Reachable states at location L3-3 satisfy 170#(and (exists ((v_main_~a~0.base_BEFORE_CALL_66 Int) (v_main_~a~0.offset_BEFORE_CALL_66 Int) (v_main_~i~0_BEFORE_CALL_81 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (not (= 0 __VERIFIER_assert_~cond)) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:40:14,021 INFO L193 IcfgInterpreter]: Reachable states at location L14 satisfy 38#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (<= ~SIZE~0 2147483647) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 100000 ~MAX~0)) [2019-10-13 21:40:14,022 INFO L193 IcfgInterpreter]: Reachable states at location L28-3 satisfy 138#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:14,022 INFO L193 IcfgInterpreter]: Reachable states at location L3 satisfy 165#(and (exists ((v_main_~a~0.base_BEFORE_CALL_66 Int) (v_main_~a~0.offset_BEFORE_CALL_66 Int) (v_main_~i~0_BEFORE_CALL_81 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:40:14,022 INFO L193 IcfgInterpreter]: Reachable states at location L19-3 satisfy 66#(and (or (and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (store |old(#length)| |main_#t~malloc2.base| (* ~SIZE~0 4)) |#length|) (< ~SIZE~0 ~MAX~0) (< 1 ~SIZE~0) (= 0 |main_#t~malloc2.offset|) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (= |#valid| (store |old(#valid)| |main_#t~malloc2.base| 1)) (<= 0 |#NULL.offset|) (= main_~a~0.offset |main_#t~malloc2.offset|) (<= ~SIZE~0 2147483647) (< |#StackHeapBarrier| |main_#t~malloc2.base|) (<= ~SIZE~0 100000) (not (= |main_#t~malloc2.base| 0)) (<= |#NULL.base| 0) (<= 0 (+ ~SIZE~0 2147483648)) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= main_~i~0 0) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= (select |old(#valid)| |main_#t~malloc2.base|) 0) (= |main_#t~malloc2.base| main_~a~0.base) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= main_~i~0 0)) (and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#NULL.offset| 0))) (<= |old(~SIZE~0)| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:14,023 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:14,023 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (<= ~MAX~0 100000) (= |old(~SIZE~0)| 0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 |old(~SIZE~0)|) (= |#valid| |old(#valid)|) (<= |old(~SIZE~0)| 0) (<= 0 ~SIZE~0) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= ~SIZE~0 0) (= |old(~SIZE~0)| ~SIZE~0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:14,023 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 194#(and (<= ~MAX~0 100000) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= ~SIZE~0 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| (store |old(#valid)| 0 0)) (<= 0 ~SIZE~0) (= |#NULL.offset| 0) (<= ~SIZE~0 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:14,023 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 21:40:14,024 INFO L193 IcfgInterpreter]: Reachable states at location L30-1 satisfy 156#(and (= |old(~SIZE~0)| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= 0 main_~i~0) (< main_~i~0 ~SIZE~0) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= 100000 ~MAX~0) (= |#NULL.base| 0) (<= ~SIZE~0 100000) (<= 0 |main_#t~mem5|) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (<= 0 main_~a~0.offset) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= |#NULL.offset| 0) (<= main_~i~0 |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0)) [2019-10-13 21:40:14,024 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 160#(exists ((v_main_~a~0.base_BEFORE_CALL_66 Int) (v_main_~a~0.offset_BEFORE_CALL_66 Int) (v_main_~i~0_BEFORE_CALL_81 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) [2019-10-13 21:40:14,024 INFO L193 IcfgInterpreter]: Reachable states at location L30 satisfy 143#(and (= |old(~SIZE~0)| 0) (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= |main_#t~malloc2.offset| 0) (<= ~SIZE~0 100000) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= main_~a~0.offset 0) (<= main_~i~0 100000) (< main_~i~0 ~SIZE~0) (<= 0 main_~a~0.offset) (<= 0 |#NULL.base|) (= |main_#t~malloc2.offset| 0) (= ~MAX~0 100000) (<= 0 |main_#t~malloc2.offset|) (<= 0 |old(~SIZE~0)|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= (select (select |#memory_int| main_~a~0.base) (+ (* main_~i~0 4) main_~a~0.offset)) |main_#t~mem5|) (<= |old(~SIZE~0)| 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-10-13 21:40:14,025 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 185#(and (exists ((v_main_~a~0.base_BEFORE_CALL_66 Int) (v_main_~a~0.offset_BEFORE_CALL_66 Int) (v_main_~i~0_BEFORE_CALL_81 Int)) (or (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4)))) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (= |#NULL.base| 0) (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= 0 v_main_~i~0_BEFORE_CALL_81) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< v_main_~i~0_BEFORE_CALL_81 ~SIZE~0) (<= v_main_~a~0.offset_BEFORE_CALL_66 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_main_~a~0.offset_BEFORE_CALL_66) (not (<= v_main_~i~0_BEFORE_CALL_81 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_66) (+ v_main_~a~0.offset_BEFORE_CALL_66 (* v_main_~i~0_BEFORE_CALL_81 4))))) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-10-13 21:40:14,935 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 21:40:14,935 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10, 12] total 30 [2019-10-13 21:40:14,936 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495291016] [2019-10-13 21:40:14,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-13 21:40:14,936 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 21:40:14,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-13 21:40:14,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2019-10-13 21:40:14,937 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 30 states. [2019-10-13 21:40:18,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:40:18,471 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2019-10-13 21:40:18,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-10-13 21:40:18,472 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 36 [2019-10-13 21:40:18,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:40:18,473 INFO L225 Difference]: With dead ends: 65 [2019-10-13 21:40:18,474 INFO L226 Difference]: Without dead ends: 38 [2019-10-13 21:40:18,475 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 79 SyntacticMatches, 10 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1253 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=539, Invalid=3001, Unknown=0, NotChecked=0, Total=3540 [2019-10-13 21:40:18,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-13 21:40:18,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2019-10-13 21:40:18,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-13 21:40:18,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2019-10-13 21:40:18,490 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 36 [2019-10-13 21:40:18,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:40:18,491 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2019-10-13 21:40:18,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-13 21:40:18,491 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2019-10-13 21:40:18,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-13 21:40:18,492 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:40:18,492 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1]