/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:08:19,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:08:19,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:08:19,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:08:19,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:08:19,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:08:19,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:08:19,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:08:19,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:08:19,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:08:19,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:08:19,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:08:19,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:08:19,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:08:19,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:08:19,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:08:19,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:08:19,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:08:19,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:08:19,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:08:19,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:08:19,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:08:19,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:08:19,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:08:19,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:08:19,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:08:19,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:08:19,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:08:19,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 04:08:19,579 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:08:19,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:08:19,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:08:19,581 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:08:19,581 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:08:19,581 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:08:19,581 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:08:19,581 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:08:19,582 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:08:19,582 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:08:19,582 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:08:19,582 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:08:19,583 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:08:19,583 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:08:19,583 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:08:19,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:08:19,584 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:08:19,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:08:19,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:08:19,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:08:19,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:08:19,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:08:19,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:08:19,585 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:08:19,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:08:19,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:08:19,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:08:19,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:08:19,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:08:19,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:08:19,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:08:19,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:08:19,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:08:19,587 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:08:19,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:08:19,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:08:19,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:08:19,588 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:08:19,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:08:19,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:08:19,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:08:19,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:08:19,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:08:19,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-11-24 04:08:19,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7e7f049/fea677e7f0364418a005f48a9cdd7699/FLAG4006a9107 [2019-11-24 04:08:20,484 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:08:20,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-11-24 04:08:20,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7e7f049/fea677e7f0364418a005f48a9cdd7699/FLAG4006a9107 [2019-11-24 04:08:20,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7e7f049/fea677e7f0364418a005f48a9cdd7699 [2019-11-24 04:08:20,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:08:20,838 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:08:20,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:08:20,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:08:20,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:08:20,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:08:20" (1/1) ... [2019-11-24 04:08:20,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a82199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:20, skipping insertion in model container [2019-11-24 04:08:20,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:08:20" (1/1) ... [2019-11-24 04:08:20,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:08:20,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:08:21,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:08:21,374 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:08:21,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:08:21,508 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:08:21,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21 WrapperNode [2019-11-24 04:08:21,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:08:21,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:08:21,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:08:21,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:08:21,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (1/1) ... [2019-11-24 04:08:21,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (1/1) ... [2019-11-24 04:08:21,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:08:21,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:08:21,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:08:21,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:08:21,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (1/1) ... [2019-11-24 04:08:21,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (1/1) ... [2019-11-24 04:08:21,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (1/1) ... [2019-11-24 04:08:21,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (1/1) ... [2019-11-24 04:08:21,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (1/1) ... [2019-11-24 04:08:21,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (1/1) ... [2019-11-24 04:08:21,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (1/1) ... [2019-11-24 04:08:21,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:08:21,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:08:21,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:08:21,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:08:21,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:08:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 04:08:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 04:08:21,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 04:08:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 04:08:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 04:08:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 04:08:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 04:08:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 04:08:21,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:08:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:08:22,684 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:08:22,685 INFO L284 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-24 04:08:22,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:08:22 BoogieIcfgContainer [2019-11-24 04:08:22,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:08:22,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:08:22,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:08:22,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:08:22,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:08:20" (1/3) ... [2019-11-24 04:08:22,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b74000f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:08:22, skipping insertion in model container [2019-11-24 04:08:22,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:21" (2/3) ... [2019-11-24 04:08:22,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b74000f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:08:22, skipping insertion in model container [2019-11-24 04:08:22,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:08:22" (3/3) ... [2019-11-24 04:08:22,696 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_insert_equal.i [2019-11-24 04:08:22,708 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:08:22,716 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:08:22,731 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:08:22,760 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:08:22,760 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:08:22,760 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:08:22,761 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:08:22,761 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:08:22,761 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:08:22,761 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:08:22,762 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:08:22,779 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-24 04:08:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:08:22,785 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:08:22,786 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:08:22,787 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:08:22,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:08:22,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1304070290, now seen corresponding path program 1 times [2019-11-24 04:08:22,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:08:22,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032863383] [2019-11-24 04:08:22,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:08:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:08:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:08:23,005 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032863383] [2019-11-24 04:08:23,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:08:23,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:08:23,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082349647] [2019-11-24 04:08:23,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:08:23,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:08:23,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:08:23,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:08:23,031 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-11-24 04:08:23,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:08:23,086 INFO L93 Difference]: Finished difference Result 29 states and 43 transitions. [2019-11-24 04:08:23,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:08:23,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-24 04:08:23,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:08:23,099 INFO L225 Difference]: With dead ends: 29 [2019-11-24 04:08:23,099 INFO L226 Difference]: Without dead ends: 12 [2019-11-24 04:08:23,103 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:08:23,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-24 04:08:23,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-24 04:08:23,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-24 04:08:23,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-24 04:08:23,164 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 7 [2019-11-24 04:08:23,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:08:23,165 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-24 04:08:23,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:08:23,165 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2019-11-24 04:08:23,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 04:08:23,165 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:08:23,166 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:08:23,166 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:08:23,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:08:23,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1875918070, now seen corresponding path program 1 times [2019-11-24 04:08:23,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:08:23,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692700734] [2019-11-24 04:08:23,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:08:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:08:23,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:08:23,296 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692700734] [2019-11-24 04:08:23,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338138781] [2019-11-24 04:08:23,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:08:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:08:23,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-24 04:08:23,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:08:23,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:08:23,451 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:08:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:08:23,470 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1726546418] [2019-11-24 04:08:23,509 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 04:08:23,510 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:08:23,535 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:08:23,553 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:08:23,554 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:08:23,906 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:24,397 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:24,882 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:25,541 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:25,672 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:26,234 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:26,863 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:26,879 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:26,894 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:26,918 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:26,993 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:27,008 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:27,069 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:27,600 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2019-11-24 04:08:27,770 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2019-11-24 04:08:27,797 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:27,829 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:30,510 WARN L192 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2019-11-24 04:08:31,230 WARN L192 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1454 [2019-11-24 04:08:32,022 WARN L192 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1458 [2019-11-24 04:08:32,606 WARN L192 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1455 [2019-11-24 04:08:34,096 WARN L192 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 1456 [2019-11-24 04:08:34,832 WARN L192 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1453 [2019-11-24 04:08:36,224 WARN L192 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 1454 [2019-11-24 04:08:36,842 WARN L192 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 1458 [2019-11-24 04:08:38,124 WARN L192 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 1462 [2019-11-24 04:08:38,749 WARN L192 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 1463 [2019-11-24 04:08:39,969 WARN L192 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 1460 [2019-11-24 04:08:40,590 WARN L192 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 1457 [2019-11-24 04:08:41,176 WARN L192 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 1458 [2019-11-24 04:08:41,735 WARN L192 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1462 [2019-11-24 04:08:42,323 WARN L192 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1463 [2019-11-24 04:08:42,914 WARN L192 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 1467 [2019-11-24 04:08:43,445 WARN L192 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 1464 [2019-11-24 04:08:44,025 WARN L192 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1465 [2019-11-24 04:08:44,077 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:44,510 WARN L192 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 1371 [2019-11-24 04:08:44,558 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:44,611 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:45,001 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-11-24 04:08:45,024 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:45,372 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 1156 [2019-11-24 04:08:45,399 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:45,712 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-11-24 04:08:45,758 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:46,052 WARN L192 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 968 [2019-11-24 04:08:46,105 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:46,366 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 873 [2019-11-24 04:08:46,423 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:46,488 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:46,697 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 751 [2019-11-24 04:08:46,721 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:46,740 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:46,893 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 630 [2019-11-24 04:08:46,934 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:46,970 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:47,084 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-11-24 04:08:47,117 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:47,225 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2019-11-24 04:08:47,248 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:47,269 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:47,326 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:47,333 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:47,334 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 04:08:48,449 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 132 DAG size of output: 101 [2019-11-24 04:08:49,054 WARN L192 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 94 [2019-11-24 04:08:50,617 WARN L192 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 181 DAG size of output: 138 [2019-11-24 04:08:52,263 WARN L192 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 225 DAG size of output: 170 [2019-11-24 04:08:52,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-24 04:08:52,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3, 3, 3] total 8 [2019-11-24 04:08:52,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354773003] [2019-11-24 04:08:52,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 04:08:52,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:08:52,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 04:08:52,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-24 04:08:52,268 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand 6 states. [2019-11-24 04:08:52,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:08:52,968 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2019-11-24 04:08:52,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 04:08:52,969 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-11-24 04:08:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:08:52,970 INFO L225 Difference]: With dead ends: 17 [2019-11-24 04:08:52,970 INFO L226 Difference]: Without dead ends: 12 [2019-11-24 04:08:52,972 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-24 04:08:52,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-24 04:08:52,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-24 04:08:52,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-24 04:08:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-24 04:08:52,978 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 9 [2019-11-24 04:08:52,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:08:52,978 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-24 04:08:52,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 04:08:52,978 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-24 04:08:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 04:08:52,979 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:08:52,979 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:08:53,180 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:08:53,185 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:08:53,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:08:53,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1897370605, now seen corresponding path program 1 times [2019-11-24 04:08:53,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:08:53,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116874883] [2019-11-24 04:08:53,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:08:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:08:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:08:53,265 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116874883] [2019-11-24 04:08:53,266 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433859580] [2019-11-24 04:08:53,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:08:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:08:53,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-24 04:08:53,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:08:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:08:53,339 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:08:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 04:08:53,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1255981953] [2019-11-24 04:08:53,350 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 04:08:53,351 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:08:53,351 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:08:53,352 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:08:53,352 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:08:53,459 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:53,743 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:54,268 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:54,754 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:54,998 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:55,371 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:55,888 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:55,905 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:55,922 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:55,997 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:56,014 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:56,071 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:56,084 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:56,496 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2019-11-24 04:08:56,661 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2019-11-24 04:08:56,756 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:56,775 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:57,783 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 271 [2019-11-24 04:09:02,523 WARN L192 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 799 DAG size of output: 783 [2019-11-24 04:09:04,708 WARN L192 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 829 [2019-11-24 04:09:11,854 WARN L192 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 937 [2019-11-24 04:09:14,800 WARN L192 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 1026 [2019-11-24 04:09:21,513 WARN L192 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 1083 [2019-11-24 04:09:28,705 WARN L192 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 1172 [2019-11-24 04:09:28,819 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:28,877 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:28,939 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:29,056 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:29,181 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:29,245 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:29,358 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:29,416 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:29,473 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:29,542 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:29,643 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:29,696 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:35,894 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (select (select v_prenex_205 ULTIMATE.start_dll_create_~new_head~0.base) (+ ULTIMATE.start_dll_create_~new_head~0.offset 4)) (select (select v_prenex_205 ULTIMATE.start_dll_insert_~head.base) ULTIMATE.start_dll_insert_~head.offset)) [2019-11-24 04:09:37,932 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= 0 (+ ULTIMATE.start_dll_insert_~last~0.offset 8)) [2019-11-24 04:09:39,978 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |ULTIMATE.start_node_create_#res.base| |ULTIMATE.start_dll_create_#t~malloc3.base|) [2019-11-24 04:09:41,997 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |ULTIMATE.start_node_create_#res.base| (select (select v_prenex_205 ULTIMATE.start_dll_insert_~head.base) ULTIMATE.start_dll_insert_~head.offset)) [2019-11-24 04:09:44,022 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |ULTIMATE.start_node_create_#res.offset| (+ ULTIMATE.start_dll_insert_~new_node~0.offset 8)) [2019-11-24 04:09:46,065 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |ULTIMATE.start_node_create_#res.offset| (+ ULTIMATE.start_dll_insert_~new_node~0.offset 4)) [2019-11-24 04:09:48,086 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |ULTIMATE.start_dll_create_#t~malloc3.offset| (+ ULTIMATE.start_dll_insert_~snd_to_last~0.offset 4)) [2019-11-24 04:09:50,108 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= (+ ULTIMATE.start_dll_insert_~new_node~0.offset 4) (+ ULTIMATE.start_dll_insert_~new_node~0.offset 8))