/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_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:08:33,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:08:33,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:08:33,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:08:33,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:08:33,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:08:33,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:08:33,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:08:33,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:08:33,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:08:33,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:08:33,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:08:33,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:08:33,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:08:33,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:08:33,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:08:33,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:08:33,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:08:33,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:08:33,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:08:33,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:08:33,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:08:33,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:08:33,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:08:33,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:08:33,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:08:33,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:08:33,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:08:33,775 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 04:08:33,800 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:08:33,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:08:33,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:08:33,802 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:08:33,802 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:08:33,802 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:08:33,802 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:08:33,802 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:08:33,803 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:08:33,803 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:08:33,804 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:08:33,804 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:08:33,804 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:08:33,805 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:08:33,805 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:08:33,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:08:33,806 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:08:33,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:08:33,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:08:33,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:08:33,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:08:33,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:08:33,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:08:33,808 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:08:33,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:08:33,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:08:33,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:08:33,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:08:33,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:08:33,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:08:33,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:08:33,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:08:33,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:08:33,811 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:08:33,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:08:33,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:08:33,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:08:33,812 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:08:34,160 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:08:34,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:08:34,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:08:34,187 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:08:34,187 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:08:34,188 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_unequal.i [2019-11-24 04:08:34,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88f125b82/1b6c764010cb416db83ca4b0f0258634/FLAG3eebadcab [2019-11-24 04:08:34,807 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:08:34,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_unequal.i [2019-11-24 04:08:34,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88f125b82/1b6c764010cb416db83ca4b0f0258634/FLAG3eebadcab [2019-11-24 04:08:35,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88f125b82/1b6c764010cb416db83ca4b0f0258634 [2019-11-24 04:08:35,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:08:35,142 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:08:35,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:08:35,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:08:35,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:08:35,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4789a984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35, skipping insertion in model container [2019-11-24 04:08:35,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:08:35,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:08:35,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:08:35,683 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:08:35,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:08:35,796 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:08:35,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35 WrapperNode [2019-11-24 04:08:35,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:08:35,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:08:35,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:08:35,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:08:35,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:08:35,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:08:35,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:08:35,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:08:35,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (1/1) ... [2019-11-24 04:08:35,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:08:35,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:08:35,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:08:35,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:08:35,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (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 04:08:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 04:08:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 04:08:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 04:08:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 04:08:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 04:08:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 04:08:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 04:08:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 04:08:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:08:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:08:37,149 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:08:37,150 INFO L284 CfgBuilder]: Removed 21 assume(true) statements. [2019-11-24 04:08:37,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:08:37 BoogieIcfgContainer [2019-11-24 04:08:37,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:08:37,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:08:37,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:08:37,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:08:37,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:08:35" (1/3) ... [2019-11-24 04:08:37,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b33928c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:08:37, skipping insertion in model container [2019-11-24 04:08:37,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:08:35" (2/3) ... [2019-11-24 04:08:37,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b33928c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:08:37, skipping insertion in model container [2019-11-24 04:08:37,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:08:37" (3/3) ... [2019-11-24 04:08:37,159 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_insert_unequal.i [2019-11-24 04:08:37,169 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:08:37,177 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:08:37,188 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:08:37,211 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:08:37,212 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:08:37,212 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:08:37,212 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:08:37,212 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:08:37,213 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:08:37,213 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:08:37,213 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:08:37,228 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-11-24 04:08:37,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:08:37,233 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:08:37,234 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:08:37,234 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:08:37,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:08:37,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1714554586, now seen corresponding path program 1 times [2019-11-24 04:08:37,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:08:37,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596880716] [2019-11-24 04:08:37,261 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:08:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:08:37,438 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 04:08:37,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596880716] [2019-11-24 04:08:37,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:08:37,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:08:37,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571915179] [2019-11-24 04:08:37,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:08:37,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:08:37,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:08:37,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:08:37,461 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2019-11-24 04:08:37,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:08:37,512 INFO L93 Difference]: Finished difference Result 35 states and 55 transitions. [2019-11-24 04:08:37,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:08:37,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-24 04:08:37,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:08:37,525 INFO L225 Difference]: With dead ends: 35 [2019-11-24 04:08:37,525 INFO L226 Difference]: Without dead ends: 15 [2019-11-24 04:08:37,528 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 04:08:37,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-24 04:08:37,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-11-24 04:08:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-24 04:08:37,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2019-11-24 04:08:37,565 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 20 transitions. Word has length 7 [2019-11-24 04:08:37,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:08:37,566 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 20 transitions. [2019-11-24 04:08:37,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:08:37,566 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2019-11-24 04:08:37,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 04:08:37,567 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:08:37,567 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:08:37,567 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:08:37,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:08:37,567 INFO L82 PathProgramCache]: Analyzing trace with hash -908182055, now seen corresponding path program 1 times [2019-11-24 04:08:37,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:08:37,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206479954] [2019-11-24 04:08:37,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:08:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:08:37,701 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 04:08:37,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206479954] [2019-11-24 04:08:37,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766017099] [2019-11-24 04:08:37,703 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 04:08:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:08:37,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-24 04:08:37,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:08:37,842 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 04:08:37,842 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:08:37,861 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 04:08:37,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [380188442] [2019-11-24 04:08:37,912 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 04:08:37,912 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:08:37,919 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:08:37,926 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:08:37,927 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:08:38,271 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:38,767 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:39,517 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:39,976 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:40,092 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:40,859 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:41,739 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:41,760 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:41,780 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:41,860 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:41,877 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:41,941 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:41,955 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:42,488 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2019-11-24 04:08:42,709 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2019-11-24 04:08:42,733 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:42,816 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:43,325 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2019-11-24 04:08:43,720 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 241 [2019-11-24 04:08:44,931 WARN L192 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 1455 [2019-11-24 04:08:45,799 WARN L192 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1459 [2019-11-24 04:08:46,425 WARN L192 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1456 [2019-11-24 04:08:47,101 WARN L192 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1457 [2019-11-24 04:08:48,237 WARN L192 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1461 [2019-11-24 04:08:48,966 WARN L192 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1462 [2019-11-24 04:08:49,540 WARN L192 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1466 [2019-11-24 04:08:50,121 WARN L192 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 1470 [2019-11-24 04:08:50,738 WARN L192 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 1474 [2019-11-24 04:08:51,308 WARN L192 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 1475 [2019-11-24 04:08:51,863 WARN L192 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 1472 [2019-11-24 04:08:52,413 WARN L192 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 1473 [2019-11-24 04:08:52,901 WARN L192 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 1470 [2019-11-24 04:08:53,421 WARN L192 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 1467 [2019-11-24 04:08:53,927 WARN L192 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 1464 [2019-11-24 04:08:54,457 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 1465 [2019-11-24 04:08:54,993 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 1469 [2019-11-24 04:08:55,535 WARN L192 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 1470 [2019-11-24 04:08:55,607 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:55,685 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:56,050 WARN L192 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 1348 [2019-11-24 04:08:56,076 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:56,101 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:56,445 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 1227 [2019-11-24 04:08:56,469 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:56,754 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 1133 [2019-11-24 04:08:56,800 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:56,851 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:57,104 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 1012 [2019-11-24 04:08:57,145 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:57,379 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 918 [2019-11-24 04:08:57,422 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:57,631 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 823 [2019-11-24 04:08:57,665 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:57,696 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:57,846 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 702 [2019-11-24 04:08:57,901 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:58,038 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-11-24 04:08:58,052 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:58,065 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:58,186 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:58,208 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:58,264 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:58,312 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:08:58,314 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 04:08:59,297 WARN L192 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 101 [2019-11-24 04:08:59,856 WARN L192 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 94 [2019-11-24 04:09:01,370 WARN L192 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 186 DAG size of output: 143 [2019-11-24 04:09:03,071 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 229 DAG size of output: 175 [2019-11-24 04:09:03,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-24 04:09:03,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3, 3, 3] total 8 [2019-11-24 04:09:03,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54651136] [2019-11-24 04:09:03,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 04:09:03,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:09:03,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 04:09:03,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-24 04:09:03,077 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. Second operand 6 states. [2019-11-24 04:09:03,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:09:03,543 INFO L93 Difference]: Finished difference Result 23 states and 34 transitions. [2019-11-24 04:09:03,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 04:09:03,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-11-24 04:09:03,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:09:03,545 INFO L225 Difference]: With dead ends: 23 [2019-11-24 04:09:03,545 INFO L226 Difference]: Without dead ends: 15 [2019-11-24 04:09:03,547 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-24 04:09:03,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-24 04:09:03,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-24 04:09:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-24 04:09:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2019-11-24 04:09:03,553 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 21 transitions. Word has length 9 [2019-11-24 04:09:03,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:09:03,553 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-24 04:09:03,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 04:09:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2019-11-24 04:09:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 04:09:03,554 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:09:03,554 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:09:03,757 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:09:03,758 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:09:03,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:09:03,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1811859518, now seen corresponding path program 1 times [2019-11-24 04:09:03,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:09:03,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729502957] [2019-11-24 04:09:03,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:09:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:09:03,818 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 04:09:03,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729502957] [2019-11-24 04:09:03,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324601662] [2019-11-24 04:09:03,819 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 04:09:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:09:03,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-24 04:09:03,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:09:03,916 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 04:09:03,916 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:09:03,927 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 04:09:03,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1693535972] [2019-11-24 04:09:03,931 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 04:09:03,932 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:09:03,932 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:09:03,932 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:09:03,932 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:09:04,018 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:04,241 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:04,763 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:05,311 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:05,419 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:06,064 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:06,563 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:06,584 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:06,611 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:06,634 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:06,652 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:06,683 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:06,746 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:07,351 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:07,430 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:09:08,282 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 278 [2019-11-24 04:09:17,334 WARN L192 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 1650 DAG size of output: 1640 [2019-11-24 04:09:20,031 WARN L192 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 1637 [2019-11-24 04:09:23,173 WARN L192 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 1683 [2019-11-24 04:09:25,995 WARN L192 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 1687 [2019-11-24 04:09:29,125 WARN L192 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 1712 [2019-11-24 04:09:31,865 WARN L192 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 1713 [2019-11-24 04:09:34,551 WARN L192 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 1710 [2019-11-24 04:09:37,354 WARN L192 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 1728 [2019-11-24 04:09:40,030 WARN L192 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 1732 [2019-11-24 04:09:42,818 WARN L192 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 1741 [2019-11-24 04:09:51,735 WARN L192 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 1955 [2019-11-24 04:10:00,718 WARN L192 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 1941 [2019-11-24 04:10:03,552 WARN L192 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 1959 [2019-11-24 04:10:06,183 WARN L192 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 1963 [2019-11-24 04:10:09,109 WARN L192 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 1972 [2019-11-24 04:10:12,141 WARN L192 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 1990