/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/forester-heap/sll-rb-cnstr_1-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 00:35:45,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 00:35:45,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 00:35:45,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 00:35:45,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 00:35:45,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 00:35:45,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 00:35:45,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 00:35:45,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 00:35:45,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 00:35:45,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 00:35:45,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 00:35:45,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 00:35:45,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 00:35:45,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 00:35:45,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 00:35:45,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 00:35:45,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 00:35:45,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 00:35:45,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 00:35:45,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 00:35:45,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 00:35:45,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 00:35:45,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 00:35:45,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 00:35:45,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 00:35:45,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 00:35:45,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 00:35:45,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 00:35:45,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 00:35:45,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 00:35:45,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 00:35:45,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 00:35:45,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 00:35:45,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 00:35:45,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 00:35:45,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 00:35:45,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 00:35:45,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 00:35:45,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 00:35:45,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 00:35:45,508 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 00:35:45,524 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 00:35:45,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 00:35:45,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 00:35:45,525 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 00:35:45,525 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 00:35:45,525 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 00:35:45,526 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 00:35:45,526 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 00:35:45,526 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 00:35:45,526 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 00:35:45,526 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 00:35:45,527 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 00:35:45,527 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 00:35:45,527 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 00:35:45,527 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 00:35:45,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 00:35:45,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 00:35:45,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 00:35:45,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 00:35:45,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 00:35:45,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 00:35:45,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 00:35:45,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 00:35:45,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 00:35:45,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 00:35:45,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 00:35:45,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 00:35:45,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 00:35:45,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 00:35:45,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 00:35:45,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 00:35:45,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 00:35:45,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 00:35:45,533 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 00:35:45,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 00:35:45,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 00:35:45,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 00:35:45,534 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 00:35:45,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 00:35:45,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 00:35:45,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 00:35:45,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 00:35:45,836 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 00:35:45,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1-1.i [2019-11-24 00:35:45,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd1987ecb/d216f294d02a400d852c3b91a889aea2/FLAG738107586 [2019-11-24 00:35:46,505 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 00:35:46,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1-1.i [2019-11-24 00:35:46,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd1987ecb/d216f294d02a400d852c3b91a889aea2/FLAG738107586 [2019-11-24 00:35:46,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd1987ecb/d216f294d02a400d852c3b91a889aea2 [2019-11-24 00:35:46,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 00:35:46,836 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 00:35:46,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 00:35:46,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 00:35:46,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 00:35:46,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:35:46" (1/1) ... [2019-11-24 00:35:46,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533241d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:46, skipping insertion in model container [2019-11-24 00:35:46,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:35:46" (1/1) ... [2019-11-24 00:35:46,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 00:35:46,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 00:35:47,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:35:47,322 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 00:35:47,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 00:35:47,442 INFO L208 MainTranslator]: Completed translation [2019-11-24 00:35:47,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47 WrapperNode [2019-11-24 00:35:47,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 00:35:47,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 00:35:47,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 00:35:47,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 00:35:47,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (1/1) ... [2019-11-24 00:35:47,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (1/1) ... [2019-11-24 00:35:47,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 00:35:47,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 00:35:47,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 00:35:47,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 00:35:47,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (1/1) ... [2019-11-24 00:35:47,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (1/1) ... [2019-11-24 00:35:47,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (1/1) ... [2019-11-24 00:35:47,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (1/1) ... [2019-11-24 00:35:47,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (1/1) ... [2019-11-24 00:35:47,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (1/1) ... [2019-11-24 00:35:47,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (1/1) ... [2019-11-24 00:35:47,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 00:35:47,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 00:35:47,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 00:35:47,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 00:35:47,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (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 00:35:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 00:35:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 00:35:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 00:35:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 00:35:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 00:35:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 00:35:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 00:35:47,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 00:35:48,246 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 00:35:48,246 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-24 00:35:48,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:35:48 BoogieIcfgContainer [2019-11-24 00:35:48,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 00:35:48,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 00:35:48,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 00:35:48,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 00:35:48,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:35:46" (1/3) ... [2019-11-24 00:35:48,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25de251e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:35:48, skipping insertion in model container [2019-11-24 00:35:48,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:35:47" (2/3) ... [2019-11-24 00:35:48,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25de251e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:35:48, skipping insertion in model container [2019-11-24 00:35:48,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:35:48" (3/3) ... [2019-11-24 00:35:48,257 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-rb-cnstr_1-1.i [2019-11-24 00:35:48,266 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 00:35:48,273 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-24 00:35:48,282 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-24 00:35:48,304 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 00:35:48,305 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 00:35:48,305 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 00:35:48,305 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 00:35:48,306 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 00:35:48,306 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 00:35:48,306 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 00:35:48,306 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 00:35:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-11-24 00:35:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-24 00:35:48,329 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:35:48,330 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-24 00:35:48,330 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:35:48,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:35:48,337 INFO L82 PathProgramCache]: Analyzing trace with hash 152998824, now seen corresponding path program 1 times [2019-11-24 00:35:48,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:35:48,347 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402985205] [2019-11-24 00:35:48,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:35:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:35:48,482 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 00:35:48,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402985205] [2019-11-24 00:35:48,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:35:48,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 00:35:48,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889575386] [2019-11-24 00:35:48,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 00:35:48,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:35:48,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 00:35:48,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 00:35:48,504 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 2 states. [2019-11-24 00:35:48,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:35:48,520 INFO L93 Difference]: Finished difference Result 51 states and 81 transitions. [2019-11-24 00:35:48,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 00:35:48,521 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-11-24 00:35:48,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:35:48,529 INFO L225 Difference]: With dead ends: 51 [2019-11-24 00:35:48,529 INFO L226 Difference]: Without dead ends: 25 [2019-11-24 00:35:48,532 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 00:35:48,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-24 00:35:48,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-24 00:35:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-24 00:35:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2019-11-24 00:35:48,562 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 5 [2019-11-24 00:35:48,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:35:48,562 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2019-11-24 00:35:48,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 00:35:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2019-11-24 00:35:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-24 00:35:48,563 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:35:48,563 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-24 00:35:48,563 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:35:48,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:35:48,564 INFO L82 PathProgramCache]: Analyzing trace with hash 435627215, now seen corresponding path program 1 times [2019-11-24 00:35:48,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:35:48,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817697486] [2019-11-24 00:35:48,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:35:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:35:48,664 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 00:35:48,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817697486] [2019-11-24 00:35:48,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:35:48,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 00:35:48,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740067107] [2019-11-24 00:35:48,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 00:35:48,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:35:48,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 00:35:48,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 00:35:48,668 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 4 states. [2019-11-24 00:35:48,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:35:48,754 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2019-11-24 00:35:48,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 00:35:48,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-24 00:35:48,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:35:48,757 INFO L225 Difference]: With dead ends: 28 [2019-11-24 00:35:48,757 INFO L226 Difference]: Without dead ends: 26 [2019-11-24 00:35:48,758 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 00:35:48,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-24 00:35:48,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2019-11-24 00:35:48,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-24 00:35:48,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2019-11-24 00:35:48,766 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 6 [2019-11-24 00:35:48,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:35:48,767 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2019-11-24 00:35:48,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 00:35:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2019-11-24 00:35:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 00:35:48,769 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:35:48,769 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:35:48,770 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:35:48,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:35:48,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1616861030, now seen corresponding path program 1 times [2019-11-24 00:35:48,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:35:48,771 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669876812] [2019-11-24 00:35:48,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:35:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:35:48,902 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 00:35:48,903 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669876812] [2019-11-24 00:35:48,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 00:35:48,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 00:35:48,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807302987] [2019-11-24 00:35:48,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 00:35:48,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 00:35:48,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 00:35:48,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-24 00:35:48,905 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand 5 states. [2019-11-24 00:35:49,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 00:35:49,085 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2019-11-24 00:35:49,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 00:35:49,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-11-24 00:35:49,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 00:35:49,087 INFO L225 Difference]: With dead ends: 48 [2019-11-24 00:35:49,088 INFO L226 Difference]: Without dead ends: 46 [2019-11-24 00:35:49,088 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-24 00:35:49,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-11-24 00:35:49,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 30. [2019-11-24 00:35:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-24 00:35:49,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2019-11-24 00:35:49,095 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 9 [2019-11-24 00:35:49,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 00:35:49,096 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2019-11-24 00:35:49,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 00:35:49,096 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2019-11-24 00:35:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-24 00:35:49,097 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 00:35:49,097 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 00:35:49,097 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 00:35:49,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 00:35:49,098 INFO L82 PathProgramCache]: Analyzing trace with hash -899997761, now seen corresponding path program 1 times [2019-11-24 00:35:49,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 00:35:49,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312881256] [2019-11-24 00:35:49,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 00:35:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:35:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:35:49,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312881256] [2019-11-24 00:35:49,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667700101] [2019-11-24 00:35:49,405 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 00:35:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 00:35:49,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-24 00:35:49,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 00:35:49,556 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:49,557 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2019-11-24 00:35:49,557 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:49,599 INFO L567 ElimStorePlain]: treesize reduction 10, result has 78.7 percent of original size [2019-11-24 00:35:49,605 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-11-24 00:35:49,606 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:49,622 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:49,623 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 00:35:49,623 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:33 [2019-11-24 00:35:49,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:49,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:49,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:49,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:49,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:35:49,732 INFO L392 ElimStorePlain]: Different costs {3=[v_prenex_10], 7=[|v_#valid_31|]} [2019-11-24 00:35:50,972 INFO L237 Elim1Store]: Index analysis took 916 ms [2019-11-24 00:35:51,017 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:51,018 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 168 [2019-11-24 00:35:51,019 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:35:51,525 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:35:51,526 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 152 [2019-11-24 00:35:51,527 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:02,052 WARN L192 SmtUtils]: Spent 10.52 s on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2019-11-24 00:36:02,053 INFO L567 ElimStorePlain]: treesize reduction 150, result has 81.5 percent of original size [2019-11-24 00:36:03,987 INFO L237 Elim1Store]: Index analysis took 1707 ms [2019-11-24 00:36:04,014 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:04,015 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 264 treesize of output 296 [2019-11-24 00:36:04,017 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:04,810 INFO L237 Elim1Store]: Index analysis took 449 ms [2019-11-24 00:36:04,846 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:04,847 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 258 treesize of output 276 [2019-11-24 00:36:04,848 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:10,043 WARN L192 SmtUtils]: Spent 5.19 s on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2019-11-24 00:36:10,044 INFO L567 ElimStorePlain]: treesize reduction 255, result has 60.6 percent of original size [2019-11-24 00:36:10,053 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_9, |v_#memory_$Pointer$.base_36|, |#memory_$Pointer$.base|, |v_#memory_int_49|, |v_#memory_$Pointer$.offset_36|, |#memory_$Pointer$.offset|, v_prenex_2, v_prenex_6, v_prenex_7], 2=[|v_#memory_int_50|, |v_#memory_int_47|, v_prenex_3, |v_#memory_int_51|, v_prenex_4, v_prenex_5], 4=[|v_#memory_int_48|], 6=[|v_#memory_$Pointer$.base_35|, |v_#memory_$Pointer$.offset_35|]} [2019-11-24 00:36:10,132 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:12,516 WARN L192 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 143 [2019-11-24 00:36:12,517 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:12,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:36:12,857 INFO L237 Elim1Store]: Index analysis took 295 ms [2019-11-24 00:36:13,014 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 228 [2019-11-24 00:36:13,015 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:14,733 WARN L192 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 138 [2019-11-24 00:36:14,733 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:14,751 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:15,722 WARN L192 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-11-24 00:36:15,723 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:15,745 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:16,582 WARN L192 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-24 00:36:16,582 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:16,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:36:16,977 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 158 [2019-11-24 00:36:16,978 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:18,311 WARN L192 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 119 [2019-11-24 00:36:18,312 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:18,323 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:18,764 WARN L192 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-11-24 00:36:18,764 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:18,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:36:18,799 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 77 [2019-11-24 00:36:18,800 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:19,036 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-24 00:36:19,037 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:19,076 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 69 [2019-11-24 00:36:19,077 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:19,400 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-11-24 00:36:19,400 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:19,401 INFO L464 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2019-11-24 00:36:19,408 INFO L496 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:19,756 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-11-24 00:36:19,757 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:19,765 INFO L496 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:20,112 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-24 00:36:20,113 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:20,121 INFO L496 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:20,342 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-24 00:36:20,342 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:20,377 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:36:20,385 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 110 [2019-11-24 00:36:20,386 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:20,533 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-24 00:36:20,534 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:20,541 INFO L496 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:20,661 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-24 00:36:20,662 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:20,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:36:20,686 INFO L343 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2019-11-24 00:36:20,686 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 46 [2019-11-24 00:36:20,687 INFO L496 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:20,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:20,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:36:20,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:36:20,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-24 00:36:20,783 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 103 [2019-11-24 00:36:20,785 INFO L496 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:20,856 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:20,869 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 89 [2019-11-24 00:36:20,870 INFO L496 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:20,926 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:20,936 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 75 [2019-11-24 00:36:20,937 INFO L496 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:20,989 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:20,992 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-1 vars, 18 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2019-11-24 00:36:20,993 INFO L221 ElimStorePlain]: Needed 22 recursive calls to eliminate 27 variables, input treesize:823, output treesize:72 [2019-11-24 00:36:21,081 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2019-11-24 00:36:21,082 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:21,086 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:21,087 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-24 00:36:21,087 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2019-11-24 00:36:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:36:21,089 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 00:36:21,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 00:36:21,117 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_37|, |v_#memory_$Pointer$.offset_37|, |#memory_$Pointer$.base|, |#memory_$Pointer$.offset|, v_prenex_12, v_prenex_17, v_prenex_16, v_prenex_15], 2=[|v_#memory_int_50|, v_prenex_14, |v_#memory_int_47|], 3=[|v_#memory_int_48|, |v_#memory_int_49|], 4=[v_prenex_13], 6=[|v_#memory_$Pointer$.base_35|, |v_#memory_$Pointer$.offset_35|]} [2019-11-24 00:36:21,140 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:22,061 WARN L192 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 00:36:22,062 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:22,083 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:22,682 WARN L192 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-11-24 00:36:22,682 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:22,683 INFO L464 ElimStorePlain]: Eliminatee |#memory_$Pointer$.base| vanished before elimination [2019-11-24 00:36:22,683 INFO L464 ElimStorePlain]: Eliminatee |#memory_$Pointer$.offset| vanished before elimination [2019-11-24 00:36:22,695 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:23,022 WARN L192 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-24 00:36:23,023 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:23,054 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-24 00:36:23,214 INFO L343 Elim1Store]: treesize reduction 49, result has 43.7 percent of original size [2019-11-24 00:36:23,214 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 218 treesize of output 216 [2019-11-24 00:36:23,216 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:24,054 WARN L192 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-11-24 00:36:24,054 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:24,105 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-24 00:36:24,198 INFO L343 Elim1Store]: treesize reduction 49, result has 43.7 percent of original size [2019-11-24 00:36:24,198 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 216 treesize of output 214 [2019-11-24 00:36:24,200 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:24,758 WARN L192 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-11-24 00:36:24,758 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:24,767 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:24,943 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-11-24 00:36:24,944 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:24,951 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:25,120 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-11-24 00:36:25,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:25,133 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:25,322 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-11-24 00:36:25,322 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:25,329 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:25,575 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-11-24 00:36:25,575 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:25,580 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:25,724 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-24 00:36:25,724 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:25,730 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:25,816 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:25,822 INFO L496 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-24 00:36:25,895 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:25,914 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:25,915 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 180 [2019-11-24 00:36:25,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 00:36:25,917 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:26,035 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-11-24 00:36:26,036 INFO L567 ElimStorePlain]: treesize reduction 31, result has 85.7 percent of original size [2019-11-24 00:36:26,053 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-24 00:36:26,054 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 140 treesize of output 143 [2019-11-24 00:36:26,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 00:36:26,056 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-11-24 00:36:26,123 INFO L567 ElimStorePlain]: treesize reduction 31, result has 82.8 percent of original size [2019-11-24 00:36:26,125 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 16 dim-2 vars, End of recursive call: 11 dim-0 vars, and 2 xjuncts. [2019-11-24 00:36:26,126 INFO L221 ElimStorePlain]: Needed 15 recursive calls to eliminate 21 variables, input treesize:390, output treesize:149 [2019-11-24 00:36:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 00:36:26,184 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [448564741] [2019-11-24 00:36:26,204 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2019-11-24 00:36:26,204 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 00:36:26,210 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 00:36:26,216 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 00:36:26,216 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 00:36:38,130 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~end~0.base ULTIMATE.start_main_~list~0.base) [2019-11-24 00:36:40,138 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 8 (select |#length| |ULTIMATE.start_main_#t~malloc0.base|)) [2019-11-24 00:36:42,146 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 8 (select |#length| |ULTIMATE.start_main_#t~malloc0.base|)) [2019-11-24 00:36:44,150 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8) [2019-11-24 00:36:46,154 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 00:36:52,288 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |ULTIMATE.start_main_#t~malloc2.base| ULTIMATE.start_main_~list~0.base) [2019-11-24 00:36:54,299 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~end~0.base ULTIMATE.start_main_~list~0.base) [2019-11-24 00:36:56,310 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~end~0.base |ULTIMATE.start_main_#t~malloc2.base|) [2019-11-24 00:36:58,318 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 8 (select |#length| |ULTIMATE.start_main_#t~malloc0.base|)) [2019-11-24 00:37:00,320 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 8 (select |#length| |ULTIMATE.start_main_#t~malloc0.base|)) [2019-11-24 00:37:02,328 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc5.base|) 8) [2019-11-24 00:37:04,342 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 00:37:06,345 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8) [2019-11-24 00:37:08,349 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 00:37:14,485 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~end~0.base ULTIMATE.start_main_~list~0.base) [2019-11-24 00:37:16,496 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= ULTIMATE.start_main_~end~0.base (select (select v_prenex_29 ULTIMATE.start_main_~list~0.base) ULTIMATE.start_main_~list~0.offset)) [2019-11-24 00:37:18,502 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 8 (select |#length| |ULTIMATE.start_main_#t~malloc0.base|)) [2019-11-24 00:37:20,505 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 8 (select |#length| |ULTIMATE.start_main_#t~malloc0.base|)) [2019-11-24 00:37:22,512 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 8 (select |#length| (select (select v_prenex_29 ULTIMATE.start_main_~list~0.base) ULTIMATE.start_main_~list~0.offset))) [2019-11-24 00:37:24,520 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 8 (select |#length| (select (select v_prenex_29 ULTIMATE.start_main_~list~0.base) ULTIMATE.start_main_~list~0.offset))) [2019-11-24 00:37:26,526 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select |#length| |ULTIMATE.start_main_#t~malloc2.base|) 8)