/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/product-lines/minepump_spec4_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:31:06,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:31:06,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:31:06,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:31:06,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:31:06,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:31:06,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:31:06,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:31:06,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:31:06,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:31:06,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:31:06,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:31:06,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:31:06,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:31:06,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:31:06,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:31:06,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:31:06,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:31:06,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:31:06,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:31:06,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:31:06,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:31:06,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:31:06,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:31:06,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:31:06,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:31:06,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:31:06,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:31:06,229 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 05:31:06,247 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:31:06,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:31:06,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:31:06,248 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:31:06,248 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:31:06,248 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:31:06,249 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:31:06,249 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:31:06,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:31:06,249 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:31:06,249 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:31:06,250 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:31:06,250 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:31:06,250 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:31:06,250 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:31:06,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:31:06,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:31:06,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:31:06,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:31:06,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:31:06,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:31:06,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:31:06,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:31:06,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:31:06,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:31:06,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:31:06,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:31:06,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:31:06,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:31:06,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:31:06,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:31:06,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:31:06,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:31:06,255 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:31:06,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:31:06,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:31:06,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:31:06,256 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:31:06,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:31:06,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:31:06,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:31:06,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:31:06,565 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:31:06,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2019-11-24 05:31:06,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149c30a23/1797dfd58cc746a794755db17f56e190/FLAGabe773236 [2019-11-24 05:31:07,175 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:31:07,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2019-11-24 05:31:07,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149c30a23/1797dfd58cc746a794755db17f56e190/FLAGabe773236 [2019-11-24 05:31:07,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149c30a23/1797dfd58cc746a794755db17f56e190 [2019-11-24 05:31:07,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:31:07,520 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:31:07,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:31:07,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:31:07,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:31:07,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:31:07" (1/1) ... [2019-11-24 05:31:07,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276043b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:07, skipping insertion in model container [2019-11-24 05:31:07,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:31:07" (1/1) ... [2019-11-24 05:31:07,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:31:07,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:31:08,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:31:08,032 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:31:08,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:31:08,207 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:31:08,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08 WrapperNode [2019-11-24 05:31:08,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:31:08,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:31:08,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:31:08,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:31:08,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (1/1) ... [2019-11-24 05:31:08,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (1/1) ... [2019-11-24 05:31:08,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:31:08,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:31:08,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:31:08,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:31:08,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (1/1) ... [2019-11-24 05:31:08,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (1/1) ... [2019-11-24 05:31:08,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (1/1) ... [2019-11-24 05:31:08,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (1/1) ... [2019-11-24 05:31:08,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (1/1) ... [2019-11-24 05:31:08,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (1/1) ... [2019-11-24 05:31:08,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (1/1) ... [2019-11-24 05:31:08,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:31:08,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:31:08,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:31:08,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:31:08,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (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 05:31:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:31:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:31:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:31:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:31:12,725 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:31:12,726 INFO L284 CfgBuilder]: Removed 352 assume(true) statements. [2019-11-24 05:31:12,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:31:12 BoogieIcfgContainer [2019-11-24 05:31:12,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:31:12,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:31:12,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:31:12,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:31:12,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:31:07" (1/3) ... [2019-11-24 05:31:12,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669f224e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:31:12, skipping insertion in model container [2019-11-24 05:31:12,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:31:08" (2/3) ... [2019-11-24 05:31:12,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669f224e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:31:12, skipping insertion in model container [2019-11-24 05:31:12,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:31:12" (3/3) ... [2019-11-24 05:31:12,735 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2019-11-24 05:31:12,744 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:31:12,750 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:31:12,758 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:31:12,777 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:31:12,778 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:31:12,778 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:31:12,778 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:31:12,778 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:31:12,778 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:31:12,778 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:31:12,778 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:31:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-24 05:31:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:31:12,796 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:31:12,797 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:31:12,797 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:31:12,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:31:12,803 INFO L82 PathProgramCache]: Analyzing trace with hash -18666054, now seen corresponding path program 1 times [2019-11-24 05:31:12,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:31:12,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394407581] [2019-11-24 05:31:12,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:31:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:31:13,302 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 05:31:13,304 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394407581] [2019-11-24 05:31:13,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:31:13,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 05:31:13,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276287197] [2019-11-24 05:31:13,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 05:31:13,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:31:13,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 05:31:13,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-24 05:31:13,328 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 5 states. [2019-11-24 05:31:13,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:31:13,586 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2019-11-24 05:31:13,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 05:31:13,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-11-24 05:31:13,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:31:13,603 INFO L225 Difference]: With dead ends: 82 [2019-11-24 05:31:13,603 INFO L226 Difference]: Without dead ends: 51 [2019-11-24 05:31:13,608 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:31:13,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-24 05:31:13,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 34. [2019-11-24 05:31:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-24 05:31:13,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2019-11-24 05:31:13,656 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 7 [2019-11-24 05:31:13,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:31:13,657 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2019-11-24 05:31:13,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 05:31:13,657 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2019-11-24 05:31:13,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 05:31:13,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:31:13,658 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-24 05:31:13,659 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:31:13,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:31:13,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1679803837, now seen corresponding path program 1 times [2019-11-24 05:31:13,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:31:13,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391471669] [2019-11-24 05:31:13,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:31:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:31:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:31:14,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391471669] [2019-11-24 05:31:14,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650605864] [2019-11-24 05:31:14,107 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 05:31:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:31:14,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 39 conjunts are in the unsatisfiable core [2019-11-24 05:31:14,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:31:14,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,701 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2019-11-24 05:31:14,842 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-11-24 05:31:14,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,886 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:14,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,098 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,103 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,106 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,112 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,165 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,171 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,184 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,185 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,187 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,194 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,229 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,236 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,237 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,242 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,248 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,249 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,251 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,252 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,265 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,266 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,267 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,268 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,269 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,270 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,285 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,287 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,288 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,291 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,294 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,299 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,302 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,307 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,308 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,309 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,311 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,315 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,331 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,336 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,340 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,346 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,357 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,359 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,500 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 10 [2019-11-24 05:31:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:31:15,503 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:31:15,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,590 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,593 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,596 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,601 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,610 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,617 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,626 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,632 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,648 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,650 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,679 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,730 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,735 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,744 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,750 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,772 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,776 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,792 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:15,963 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 16 [2019-11-24 05:31:16,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,060 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,063 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,084 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,099 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,104 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,107 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,113 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,141 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,148 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,164 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,166 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,176 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:31:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:31:16,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1671506724] [2019-11-24 05:31:16,256 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-24 05:31:16,257 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 05:31:16,264 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 05:31:16,271 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 05:31:16,271 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 05:31:26,227 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-24 05:31:27,863 WARN L192 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-24 05:31:27,990 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-24 05:31:28,622 WARN L192 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 608 [2019-11-24 05:31:29,593 WARN L192 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 706 [2019-11-24 05:31:36,645 WARN L192 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 1377 DAG size of output: 1164 [2019-11-24 05:32:06,539 WARN L192 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 1126 DAG size of output: 1123