/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:03:10,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:03:10,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:03:10,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:03:10,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:03:10,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:03:10,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:03:10,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:03:10,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:03:10,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:03:10,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:03:10,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:03:10,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:03:10,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:03:10,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:03:10,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:03:10,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:03:10,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:03:10,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:03:10,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:03:10,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:03:10,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:03:10,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:03:10,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:03:10,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:03:10,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 04:03:10,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 04:03:10,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 04:03:10,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 04:03:10,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 04:03:10,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 04:03:10,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 04:03:10,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 04:03:10,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:03:10,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:03:10,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:03:10,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 04:03:10,909 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:03:10,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:03:10,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:03:10,911 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:03:10,912 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:03:10,912 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:03:10,912 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:03:10,912 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:03:10,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:03:10,912 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:03:10,914 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:03:10,914 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:03:10,914 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:03:10,914 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:03:10,915 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:03:10,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:03:10,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:03:10,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:03:10,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:03:10,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:03:10,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:03:10,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:03:10,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:03:10,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:03:10,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:03:10,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:03:10,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:03:10,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:03:10,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:03:10,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:03:10,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:03:10,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:03:10,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:03:10,920 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:03:10,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:03:10,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:03:10,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:03:10,921 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:03:11,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:03:11,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:03:11,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:03:11,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:03:11,214 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:03:11,215 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-2.i [2019-11-24 04:03:11,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39acdfbf0/dd9cf549673c44e58bac275b566782b9/FLAG7318b3194 [2019-11-24 04:03:11,805 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:03:11,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_search_value-2.i [2019-11-24 04:03:11,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39acdfbf0/dd9cf549673c44e58bac275b566782b9/FLAG7318b3194 [2019-11-24 04:03:12,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39acdfbf0/dd9cf549673c44e58bac275b566782b9 [2019-11-24 04:03:12,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:03:12,146 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:03:12,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:03:12,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:03:12,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:03:12,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d864a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12, skipping insertion in model container [2019-11-24 04:03:12,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:03:12,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:03:12,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:03:12,653 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:03:12,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:03:12,769 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:03:12,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12 WrapperNode [2019-11-24 04:03:12,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:03:12,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:03:12,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:03:12,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:03:12,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:03:12,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:03:12,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:03:12,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:03:12,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (1/1) ... [2019-11-24 04:03:12,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:03:12,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:03:12,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:03:12,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:03:12,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (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 [2019-11-24 04:03:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 04:03:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 04:03:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 04:03:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 04:03:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 04:03:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:03:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:03:13,422 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:03:13,423 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-24 04:03:13,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:13 BoogieIcfgContainer [2019-11-24 04:03:13,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:03:13,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:03:13,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:03:13,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:03:13,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:03:12" (1/3) ... [2019-11-24 04:03:13,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437dc466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:03:13, skipping insertion in model container [2019-11-24 04:03:13,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:12" (2/3) ... [2019-11-24 04:03:13,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437dc466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:03:13, skipping insertion in model container [2019-11-24 04:03:13,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:13" (3/3) ... [2019-11-24 04:03:13,433 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_search_value-2.i [2019-11-24 04:03:13,443 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:03:13,451 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:03:13,462 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:03:13,484 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:03:13,484 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:03:13,484 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:03:13,484 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:03:13,485 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:03:13,485 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:03:13,485 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:03:13,485 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:03:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-24 04:03:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:03:13,507 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:03:13,508 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:03:13,508 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:03:13,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:03:13,514 INFO L82 PathProgramCache]: Analyzing trace with hash 2082084659, now seen corresponding path program 1 times [2019-11-24 04:03:13,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:03:13,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630817225] [2019-11-24 04:03:13,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:03:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:03:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:03:13,642 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630817225] [2019-11-24 04:03:13,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:03:13,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:03:13,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435653285] [2019-11-24 04:03:13,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 04:03:13,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:03:13,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 04:03:13,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 04:03:13,667 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-24 04:03:13,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:03:13,685 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2019-11-24 04:03:13,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 04:03:13,687 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 04:03:13,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:03:13,697 INFO L225 Difference]: With dead ends: 21 [2019-11-24 04:03:13,697 INFO L226 Difference]: Without dead ends: 10 [2019-11-24 04:03:13,701 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 04:03:13,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-24 04:03:13,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-24 04:03:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-24 04:03:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-11-24 04:03:13,736 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2019-11-24 04:03:13,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:03:13,737 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-11-24 04:03:13,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 04:03:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-24 04:03:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 04:03:13,738 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:03:13,738 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:03:13,739 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:03:13,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:03:13,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1565889524, now seen corresponding path program 1 times [2019-11-24 04:03:13,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:03:13,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408359140] [2019-11-24 04:03:13,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:03:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:03:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:03:13,889 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408359140] [2019-11-24 04:03:13,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:03:13,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:03:13,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367402488] [2019-11-24 04:03:13,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:03:13,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:03:13,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:03:13,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:03:13,893 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 4 states. [2019-11-24 04:03:13,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:03:13,959 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-11-24 04:03:13,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:03:13,960 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-24 04:03:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:03:13,961 INFO L225 Difference]: With dead ends: 18 [2019-11-24 04:03:13,961 INFO L226 Difference]: Without dead ends: 15 [2019-11-24 04:03:13,962 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:03:13,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-24 04:03:13,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 11. [2019-11-24 04:03:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-24 04:03:13,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-11-24 04:03:13,968 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2019-11-24 04:03:13,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:03:13,969 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-11-24 04:03:13,969 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:03:13,969 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-24 04:03:13,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 04:03:13,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:03:13,971 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:03:13,972 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:03:13,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:03:13,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1298190621, now seen corresponding path program 1 times [2019-11-24 04:03:13,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:03:13,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374422295] [2019-11-24 04:03:13,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:03:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:03:14,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:03:14,078 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374422295] [2019-11-24 04:03:14,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:03:14,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 04:03:14,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510389314] [2019-11-24 04:03:14,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:03:14,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:03:14,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:03:14,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:03:14,081 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 4 states. [2019-11-24 04:03:14,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:03:14,111 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2019-11-24 04:03:14,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:03:14,112 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-24 04:03:14,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:03:14,112 INFO L225 Difference]: With dead ends: 20 [2019-11-24 04:03:14,113 INFO L226 Difference]: Without dead ends: 14 [2019-11-24 04:03:14,113 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:03:14,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-24 04:03:14,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-24 04:03:14,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-24 04:03:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2019-11-24 04:03:14,117 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2019-11-24 04:03:14,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:03:14,117 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2019-11-24 04:03:14,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:03:14,118 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-11-24 04:03:14,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-24 04:03:14,118 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:03:14,119 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:03:14,119 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:03:14,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:03:14,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1046204112, now seen corresponding path program 1 times [2019-11-24 04:03:14,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:03:14,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529586750] [2019-11-24 04:03:14,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:03:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:03:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:03:14,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529586750] [2019-11-24 04:03:14,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872777197] [2019-11-24 04:03:14,239 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 [2019-11-24 04:03:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:03:14,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-24 04:03:14,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:03:14,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:03:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:03:14,382 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:03:14,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:03:14,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:03:14,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:03:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:03:14,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1411318787] [2019-11-24 04:03:14,484 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2019-11-24 04:03:14,484 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:03:14,490 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:03:14,497 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:03:14,499 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:03:14,693 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:14,842 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:15,150 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:15,667 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:15,874 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:16,264 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:18,042 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:18,062 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:18,318 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:18,340 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:18,359 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:18,377 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:19,117 WARN L192 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 199 [2019-11-24 04:03:21,529 WARN L192 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 711 DAG size of output: 302 [2019-11-24 04:03:22,037 WARN L192 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 299 [2019-11-24 04:03:22,578 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 281 [2019-11-24 04:03:24,447 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:25,452 WARN L192 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 4367 [2019-11-24 04:03:32,831 WARN L192 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 4362 [2019-11-24 04:03:40,600 WARN L192 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 4357 [2019-11-24 04:03:48,654 WARN L192 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 4352 [2019-11-24 04:03:50,061 WARN L192 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 4353 DAG size of output: 4351 [2019-11-24 04:03:56,277 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select v_prenex_246 ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset 4)) ULTIMATE.start_main_~t~0.base) [2019-11-24 04:03:58,284 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~t~0.base ULTIMATE.start_main_~a~0.base) [2019-11-24 04:04:00,293 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~t~0.base ULTIMATE.start_main_~p~0.base) [2019-11-24 04:04:02,301 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| (select (select v_prenex_246 ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset 4))) 8) [2019-11-24 04:04:04,310 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#length| (select (select v_prenex_246 ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset 4))) 8) [2019-11-24 04:04:06,317 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8) [2019-11-24 04:04:08,325 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8) [2019-11-24 04:04:10,337 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| (select (select v_prenex_246 (select (select v_prenex_246 ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset 4))) 4)) 8) [2019-11-24 04:04:12,344 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#length| (select (select v_prenex_246 (select (select v_prenex_246 ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset 4))) 4)) 8) [2019-11-24 04:04:14,354 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc5.base|) 8) [2019-11-24 04:04:16,363 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc5.base|) 8) [2019-11-24 04:04:16,969 WARN L192 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 4346 [2019-11-24 04:04:23,194 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select v_prenex_234 ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset 4)) ULTIMATE.start_main_~t~0.base) [2019-11-24 04:04:25,206 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~t~0.base ULTIMATE.start_main_~p~0.base) [2019-11-24 04:04:27,218 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~t~0.base ULTIMATE.start_main_~a~0.base) [2019-11-24 04:04:29,235 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| (select (select v_prenex_234 ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset 4))) 8) [2019-11-24 04:04:31,255 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#length| (select (select v_prenex_234 ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset 4))) 8) [2019-11-24 04:04:33,275 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 8 (select |#length| (select (select v_prenex_234 (select (select v_prenex_234 ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset 4))) 4))) [2019-11-24 04:04:35,292 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 8 (select |#length| (select (select v_prenex_234 (select (select v_prenex_234 ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset 4))) 4))) [2019-11-24 04:04:37,309 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8) [2019-11-24 04:04:39,322 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8) [2019-11-24 04:04:41,338 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc5.base|) 8) [2019-11-24 04:04:43,357 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc5.base|) 8) [2019-11-24 04:04:43,937 WARN L192 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 4341 [2019-11-24 04:04:50,098 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~t~0.base ULTIMATE.start_main_~p~0.base)