/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/array-tiling/pnr3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:25:44,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:25:44,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:25:44,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:25:44,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:25:44,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:25:44,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:25:44,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:25:44,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:25:44,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:25:44,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:25:44,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:25:44,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:25:44,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:25:44,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:25:44,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:25:44,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:25:44,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:25:44,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:25:44,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:25:44,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:25:44,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:25:44,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:25:44,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:25:44,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:25:44,434 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 [2019-11-23 23:25:44,450 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:25:44,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:25:44,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:25:44,453 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:25:44,454 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:25:44,454 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:25:44,454 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:25:44,454 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:25:44,454 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:25:44,455 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:25:44,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:25:44,455 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:25:44,455 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:25:44,455 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:25:44,456 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:25:44,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:25:44,458 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:25:44,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:25:44,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:25:44,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:25:44,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:25:44,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:25:44,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:25:44,460 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:25:44,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:25:44,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:25:44,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:25:44,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:25:44,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:25:44,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:25:44,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:25:44,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:25:44,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:25:44,463 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:25:44,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:25:44,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:25:44,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:25:44,464 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:25:44,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:25:44,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:25:44,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:25:44,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:25:44,759 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:25:44,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pnr3.c [2019-11-23 23:25:44,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6db79a92/f4a8e0fb08274835ac0f233dd23176cb/FLAG847ee1d73 [2019-11-23 23:25:45,311 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:25:45,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/pnr3.c [2019-11-23 23:25:45,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6db79a92/f4a8e0fb08274835ac0f233dd23176cb/FLAG847ee1d73 [2019-11-23 23:25:45,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6db79a92/f4a8e0fb08274835ac0f233dd23176cb [2019-11-23 23:25:45,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:25:45,675 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:25:45,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:25:45,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:25:45,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:25:45,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:45,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a339603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45, skipping insertion in model container [2019-11-23 23:25:45,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:45,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:25:45,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:25:45,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:25:45,925 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:25:45,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:25:45,962 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:25:45,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45 WrapperNode [2019-11-23 23:25:45,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:25:45,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:25:45,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:25:45,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:25:46,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:46,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:46,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:25:46,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:25:46,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:25:46,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:25:46,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:46,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:46,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:46,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:46,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:46,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:46,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (1/1) ... [2019-11-23 23:25:46,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:25:46,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:25:46,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:25:46,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:25:46,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (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 [2019-11-23 23:25:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:25:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-23 23:25:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:25:46,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:25:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:25:46,727 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:25:46,728 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-23 23:25:46,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:25:46 BoogieIcfgContainer [2019-11-23 23:25:46,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:25:46,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:25:46,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:25:46,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:25:46,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:25:45" (1/3) ... [2019-11-23 23:25:46,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40eab4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:25:46, skipping insertion in model container [2019-11-23 23:25:46,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:25:45" (2/3) ... [2019-11-23 23:25:46,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40eab4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:25:46, skipping insertion in model container [2019-11-23 23:25:46,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:25:46" (3/3) ... [2019-11-23 23:25:46,737 INFO L109 eAbstractionObserver]: Analyzing ICFG pnr3.c [2019-11-23 23:25:46,745 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:25:46,751 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:25:46,763 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:25:46,785 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:25:46,785 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:25:46,785 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:25:46,785 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:25:46,785 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:25:46,785 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:25:46,786 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:25:46,786 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:25:46,798 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-23 23:25:46,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-23 23:25:46,803 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:25:46,804 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:25:46,805 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:25:46,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:25:46,810 INFO L82 PathProgramCache]: Analyzing trace with hash -116220363, now seen corresponding path program 1 times [2019-11-23 23:25:46,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:25:46,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321227458] [2019-11-23 23:25:46,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:25:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:25:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:47,105 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321227458] [2019-11-23 23:25:47,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:25:47,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 23:25:47,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104655911] [2019-11-23 23:25:47,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:25:47,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:25:47,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:25:47,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:25:47,128 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 4 states. [2019-11-23 23:25:47,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:25:47,195 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2019-11-23 23:25:47,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:25:47,197 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-23 23:25:47,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:25:47,207 INFO L225 Difference]: With dead ends: 24 [2019-11-23 23:25:47,208 INFO L226 Difference]: Without dead ends: 10 [2019-11-23 23:25:47,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:25:47,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-23 23:25:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-23 23:25:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-23 23:25:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-11-23 23:25:47,248 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2019-11-23 23:25:47,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:25:47,249 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-11-23 23:25:47,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:25:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-23 23:25:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-23 23:25:47,250 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:25:47,250 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:25:47,250 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:25:47,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:25:47,251 INFO L82 PathProgramCache]: Analyzing trace with hash 698657389, now seen corresponding path program 1 times [2019-11-23 23:25:47,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:25:47,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897370855] [2019-11-23 23:25:47,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:25:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:25:47,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:47,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897370855] [2019-11-23 23:25:47,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231991523] [2019-11-23 23:25:47,649 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 [2019-11-23 23:25:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:25:47,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-23 23:25:47,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:25:47,820 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:47,821 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:47,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:47,827 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:47,832 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:47,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:47,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:47,912 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:47,917 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:47,924 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:48,006 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40 [2019-11-23 23:25:48,007 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-23 23:25:48,401 WARN L192 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-11-23 23:25:48,402 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:25:48,422 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:48,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:48,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:48,498 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40 [2019-11-23 23:25:48,499 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-23 23:25:48,821 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-23 23:25:48,823 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:25:48,856 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:48,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:48,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:48,890 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 32 treesize of output 36 [2019-11-23 23:25:48,891 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-23 23:25:49,215 WARN L192 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-11-23 23:25:49,216 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:25:49,245 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:49,247 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:49,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:49,289 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 32 treesize of output 36 [2019-11-23 23:25:49,290 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-23 23:25:49,560 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-11-23 23:25:49,562 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:25:49,593 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:49,596 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:49,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:49,629 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 32 treesize of output 36 [2019-11-23 23:25:49,631 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-23 23:25:49,844 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-11-23 23:25:49,844 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:25:49,860 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:49,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:49,871 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:49,901 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 41 [2019-11-23 23:25:49,902 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-23 23:25:50,102 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-23 23:25:50,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:25:50,116 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:50,118 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:50,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:50,131 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 32 [2019-11-23 23:25:50,132 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-23 23:25:50,338 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-11-23 23:25:50,339 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:25:50,350 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:50,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:50,353 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-23 23:25:50,366 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 40 [2019-11-23 23:25:50,366 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-23 23:25:50,488 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-23 23:25:50,489 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-23 23:25:50,494 INFO L496 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 8 dim-2 vars, End of recursive call: and 8 xjuncts. [2019-11-23 23:25:50,495 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 18 variables, input treesize:270, output treesize:273 [2019-11-23 23:25:50,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:50,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:50,614 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:25:50,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:50,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:50,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:50,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:50,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:50,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:50,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-23 23:25:50,701 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2019-11-23 23:25:50,719 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 172 [2019-11-23 23:25:50,721 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-11-23 23:25:50,756 INFO L567 ElimStorePlain]: treesize reduction 154, result has 7.8 percent of original size [2019-11-23 23:25:50,757 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-11-23 23:25:50,775 INFO L567 ElimStorePlain]: treesize reduction 267, result has 4.6 percent of original size [2019-11-23 23:25:50,775 INFO L464 ElimStorePlain]: Eliminatee v_prenex_30 vanished before elimination [2019-11-23 23:25:50,775 INFO L464 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2019-11-23 23:25:50,776 INFO L464 ElimStorePlain]: Eliminatee v_prenex_36 vanished before elimination [2019-11-23 23:25:50,776 INFO L464 ElimStorePlain]: Eliminatee v_prenex_24 vanished before elimination [2019-11-23 23:25:50,776 INFO L464 ElimStorePlain]: Eliminatee v_prenex_22 vanished before elimination [2019-11-23 23:25:50,776 INFO L464 ElimStorePlain]: Eliminatee v_prenex_16 vanished before elimination [2019-11-23 23:25:50,776 INFO L464 ElimStorePlain]: Eliminatee |#memory_int| vanished before elimination [2019-11-23 23:25:50,777 INFO L496 ElimStorePlain]: Start of recursive call 1: 28 dim-0 vars, 8 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-11-23 23:25:50,777 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 36 variables, input treesize:300, output treesize:13 [2019-11-23 23:25:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:25:50,809 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [407236582] [2019-11-23 23:25:50,834 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-23 23:25:50,834 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:25:50,840 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:25:50,847 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:25:50,848 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:25:51,053 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:51,458 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2019-11-23 23:25:51,481 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:51,715 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-11-23 23:25:51,737 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:51,972 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-11-23 23:25:52,065 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:52,170 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:52,368 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:52,447 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:52,603 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:52,923 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:53,639 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:53,742 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-11-23 23:25:53,928 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:54,195 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:54,293 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:54,561 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-23 23:25:54,751 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:54,883 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-23 23:25:55,021 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:55,182 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:25:56,413 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:02,706 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 12))) (= (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 24)) (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 20)))) [2019-11-23 23:26:04,715 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 12))) (= (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 16)) (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 24)))) [2019-11-23 23:26:06,722 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 12))) (= (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 16)) (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 20)))) [2019-11-23 23:26:08,732 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 24)))) [2019-11-23 23:26:10,737 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 24)))) [2019-11-23 23:26:12,750 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 16)))) [2019-11-23 23:26:14,756 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 16)))) [2019-11-23 23:26:16,764 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 20)))) [2019-11-23 23:26:18,771 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 20)))) [2019-11-23 23:26:24,988 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 12))) (= (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 24)) (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 20)))) [2019-11-23 23:26:26,996 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 12))) (= (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 16)) (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 24)))) [2019-11-23 23:26:29,008 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 12))) (= (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 16)) (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 20)))) [2019-11-23 23:26:31,038 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 24)))) [2019-11-23 23:26:33,049 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 24)))) [2019-11-23 23:26:35,062 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 16)))) [2019-11-23 23:26:37,072 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 16)))) [2019-11-23 23:26:39,079 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 20)))) [2019-11-23 23:26:41,089 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 20)))) [2019-11-23 23:26:44,482 WARN L192 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 2097 DAG size of output: 2025 [2019-11-23 23:26:44,587 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-23 23:26:50,714 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 12))) (= (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 24)) (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 20)))) [2019-11-23 23:26:52,721 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 12))) (= (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 16)) (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 24)))) [2019-11-23 23:26:54,732 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (let ((.cse0 (* ULTIMATE.start_main_~i~0 12))) (= (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 16)) (+ ULTIMATE.start_main_~a~0.offset .cse0 (- 20)))) [2019-11-23 23:26:56,738 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 10 v_prenex_77) [2019-11-23 23:26:58,750 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 10 v_prenex_77) [2019-11-23 23:27:00,758 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= v_prenex_77 |ULTIMATE.start_ReadFromPort_#res|) [2019-11-23 23:27:02,762 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= v_prenex_77 |ULTIMATE.start_ReadFromPort_#res|) [2019-11-23 23:27:04,771 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 10 |ULTIMATE.start_ReadFromPort_#res|) [2019-11-23 23:27:06,780 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 10 |ULTIMATE.start_ReadFromPort_#res|) [2019-11-23 23:27:08,789 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= v_prenex_77 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 24)))) [2019-11-23 23:27:10,800 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= v_prenex_77 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 24)))) [2019-11-23 23:27:12,817 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 24)))) [2019-11-23 23:27:14,827 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 24)))) [2019-11-23 23:27:16,833 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 24))) |ULTIMATE.start_ReadFromPort_#res|) [2019-11-23 23:27:18,844 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 24))) |ULTIMATE.start_ReadFromPort_#res|) [2019-11-23 23:27:20,851 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |ULTIMATE.start_ReadFromPort_#res| (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 16)))) [2019-11-23 23:27:22,861 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= |ULTIMATE.start_ReadFromPort_#res| (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 16)))) [2019-11-23 23:27:24,874 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 20)))) [2019-11-23 23:27:26,880 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= 10 (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 20)))) [2019-11-23 23:27:28,911 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 20))) |ULTIMATE.start_ReadFromPort_#res|) [2019-11-23 23:27:30,919 WARN L176 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 12) (- 20))) |ULTIMATE.start_ReadFromPort_#res|)