/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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:03:08,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:03:08,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:03:08,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:03:08,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:03:08,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:03:08,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:03:08,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:03:08,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:03:08,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:03:08,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:03:08,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:03:08,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:03:08,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:03:08,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:03:08,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:03:08,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:03:08,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:03:08,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:03:08,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:03:08,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:03:08,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:03:08,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:03:08,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:03:08,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:03:08,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 04:03:08,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 04:03:08,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 04:03:08,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 04:03:08,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 04:03:08,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 04:03:08,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 04:03:08,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 04:03:08,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:03:08,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:03:08,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:03:08,126 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 04:03:08,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:03:08,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:03:08,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:03:08,155 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:03:08,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:03:08,156 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:03:08,156 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:03:08,156 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:03:08,156 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:03:08,156 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:03:08,156 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:03:08,157 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:03:08,158 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:03:08,158 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:03:08,158 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:03:08,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:03:08,159 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:03:08,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:03:08,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:03:08,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:03:08,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:03:08,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:03:08,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:03:08,161 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:03:08,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:03:08,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:03:08,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:03:08,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:03:08,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:03:08,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:03:08,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:03:08,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:03:08,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:03:08,165 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:03:08,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:03:08,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:03:08,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:03:08,167 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:03:08,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:03:08,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:03:08,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:03:08,493 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:03:08,494 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:03:08,494 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-11-24 04:03:08,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41383cd1/d209fb5914e648f1b0a181eac30f4834/FLAG6c89d7d0b [2019-11-24 04:03:09,029 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:03:09,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-11-24 04:03:09,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41383cd1/d209fb5914e648f1b0a181eac30f4834/FLAG6c89d7d0b [2019-11-24 04:03:09,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41383cd1/d209fb5914e648f1b0a181eac30f4834 [2019-11-24 04:03:09,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:03:09,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:03:09,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:03:09,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:03:09,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:03:09,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:09" (1/1) ... [2019-11-24 04:03:09,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb4b625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:09, skipping insertion in model container [2019-11-24 04:03:09,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:09" (1/1) ... [2019-11-24 04:03:09,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:03:09,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:03:09,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:03:09,987 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:03:10,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:03:10,083 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:03:10,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10 WrapperNode [2019-11-24 04:03:10,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:03:10,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:03:10,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:03:10,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:03:10,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (1/1) ... [2019-11-24 04:03:10,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (1/1) ... [2019-11-24 04:03:10,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:03:10,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:03:10,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:03:10,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:03:10,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (1/1) ... [2019-11-24 04:03:10,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (1/1) ... [2019-11-24 04:03:10,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (1/1) ... [2019-11-24 04:03:10,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (1/1) ... [2019-11-24 04:03:10,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (1/1) ... [2019-11-24 04:03:10,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (1/1) ... [2019-11-24 04:03:10,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (1/1) ... [2019-11-24 04:03:10,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:03:10,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:03:10,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:03:10,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:03:10,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (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 04:03:10,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 04:03:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 04:03:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 04:03:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 04:03:10,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 04:03:10,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:03:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:03:10,849 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:03:10,850 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-24 04:03:10,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:10 BoogieIcfgContainer [2019-11-24 04:03:10,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:03:10,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:03:10,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:03:10,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:03:10,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:03:09" (1/3) ... [2019-11-24 04:03:10,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44743c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:03:10, skipping insertion in model container [2019-11-24 04:03:10,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:10" (2/3) ... [2019-11-24 04:03:10,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44743c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:03:10, skipping insertion in model container [2019-11-24 04:03:10,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:10" (3/3) ... [2019-11-24 04:03:10,866 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_search_value-1.i [2019-11-24 04:03:10,877 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:03:10,884 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:03:10,893 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:03:10,913 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:03:10,913 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:03:10,913 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:03:10,914 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:03:10,914 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:03:10,914 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:03:10,914 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:03:10,914 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:03:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-24 04:03:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:03:10,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:03:10,934 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:03:10,934 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:03:10,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:03:10,941 INFO L82 PathProgramCache]: Analyzing trace with hash 2082084659, now seen corresponding path program 1 times [2019-11-24 04:03:10,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:03:10,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069741737] [2019-11-24 04:03:10,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:03:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:03:11,071 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 04:03:11,072 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069741737] [2019-11-24 04:03:11,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:03:11,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:03:11,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192790969] [2019-11-24 04:03:11,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 04:03:11,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:03:11,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 04:03:11,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 04:03:11,097 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-24 04:03:11,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:03:11,116 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2019-11-24 04:03:11,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 04:03:11,118 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 04:03:11,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:03:11,128 INFO L225 Difference]: With dead ends: 21 [2019-11-24 04:03:11,128 INFO L226 Difference]: Without dead ends: 10 [2019-11-24 04:03:11,131 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 04:03:11,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-24 04:03:11,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-24 04:03:11,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-24 04:03:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-11-24 04:03:11,162 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2019-11-24 04:03:11,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:03:11,163 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-11-24 04:03:11,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 04:03:11,163 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-24 04:03:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 04:03:11,164 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:03:11,164 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:03:11,164 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:03:11,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:03:11,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1565889524, now seen corresponding path program 1 times [2019-11-24 04:03:11,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:03:11,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345603312] [2019-11-24 04:03:11,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:03:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:03:11,264 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 04:03:11,264 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345603312] [2019-11-24 04:03:11,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:03:11,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:03:11,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118789604] [2019-11-24 04:03:11,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:03:11,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:03:11,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:03:11,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:03:11,268 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 4 states. [2019-11-24 04:03:11,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:03:11,329 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-11-24 04:03:11,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:03:11,331 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-24 04:03:11,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:03:11,332 INFO L225 Difference]: With dead ends: 18 [2019-11-24 04:03:11,332 INFO L226 Difference]: Without dead ends: 15 [2019-11-24 04:03:11,333 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 04:03:11,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-24 04:03:11,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 11. [2019-11-24 04:03:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-24 04:03:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-11-24 04:03:11,340 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2019-11-24 04:03:11,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:03:11,341 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-11-24 04:03:11,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:03:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-24 04:03:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 04:03:11,342 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:03:11,342 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:03:11,343 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:03:11,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:03:11,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1298190621, now seen corresponding path program 1 times [2019-11-24 04:03:11,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:03:11,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467703066] [2019-11-24 04:03:11,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:03:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:03:11,450 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 04:03:11,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467703066] [2019-11-24 04:03:11,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:03:11,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 04:03:11,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248626659] [2019-11-24 04:03:11,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:03:11,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:03:11,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:03:11,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:03:11,453 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 4 states. [2019-11-24 04:03:11,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:03:11,484 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2019-11-24 04:03:11,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:03:11,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-24 04:03:11,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:03:11,486 INFO L225 Difference]: With dead ends: 20 [2019-11-24 04:03:11,486 INFO L226 Difference]: Without dead ends: 14 [2019-11-24 04:03:11,487 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 04:03:11,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-24 04:03:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-24 04:03:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-24 04:03:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2019-11-24 04:03:11,491 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2019-11-24 04:03:11,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:03:11,491 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2019-11-24 04:03:11,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:03:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-11-24 04:03:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-24 04:03:11,492 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:03:11,493 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:03:11,493 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:03:11,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:03:11,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1046204112, now seen corresponding path program 1 times [2019-11-24 04:03:11,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:03:11,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059412842] [2019-11-24 04:03:11,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:03:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:03:11,615 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 04:03:11,615 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059412842] [2019-11-24 04:03:11,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399729977] [2019-11-24 04:03:11,616 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 04:03:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:03:11,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-24 04:03:11,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:03:11,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:03:11,822 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 04:03:11,822 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:03:11,827 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:03:11,828 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:03:11,828 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:03:11,861 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 04:03:11,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1828455725] [2019-11-24 04:03:11,912 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2019-11-24 04:03:11,912 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:03:11,922 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:03:11,935 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:03:11,936 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:03:12,128 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:12,327 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:12,600 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:13,149 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:13,334 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:13,695 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:15,444 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:15,464 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:15,742 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:15,764 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:15,786 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:15,805 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:16,479 WARN L192 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 199 [2019-11-24 04:03:18,974 WARN L192 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 711 DAG size of output: 302 [2019-11-24 04:03:19,526 WARN L192 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 299 [2019-11-24 04:03:20,083 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 281 [2019-11-24 04:03:21,302 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:03:22,851 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 4367 [2019-11-24 04:03:30,037 WARN L192 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 4362 [2019-11-24 04:03:36,701 WARN L192 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 4357 [2019-11-24 04:03:43,881 WARN L192 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 4352 [2019-11-24 04:03:45,720 WARN L192 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 4353 DAG size of output: 4351 [2019-11-24 04:03:51,946 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 04:03:53,956 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 04:03:55,961 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 04:03:57,974 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 04:03:59,978 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 04:04:01,992 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8) [2019-11-24 04:04:04,004 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 04:04:06,012 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 04:04:08,023 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 04:04:10,031 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc5.base|) 8) [2019-11-24 04:04:12,038 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 04:04:12,600 WARN L192 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 4346 [2019-11-24 04:04:18,797 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 04:04:20,811 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 04:04:22,825 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 04:04:24,838 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 04:04:26,847 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 04:04:28,852 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 04:04:30,857 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 04:04:32,867 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8) [2019-11-24 04:04:34,884 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 04:04:36,892 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc5.base|) 8) [2019-11-24 04:04:38,907 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 04:04:39,440 WARN L192 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 4341 [2019-11-24 04:04:45,629 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~t~0.base ULTIMATE.start_main_~p~0.base)