/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_spec1_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:18:10,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:18:10,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:18:10,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:18:10,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:18:10,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:18:10,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:18:10,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:18:10,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:18:10,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:18:10,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:18:10,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:18:10,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:18:10,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:18:10,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:18:10,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:18:10,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:18:10,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:18:10,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:18:10,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:18:10,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:18:10,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:18:10,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:18:10,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:18:10,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:18:10,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:18:10,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:18:10,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:18:10,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:18:10,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:18:10,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:18:10,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:18:10,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:18:10,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:18:10,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:18:10,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:18:10,264 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 05:18:10,298 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:18:10,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:18:10,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:18:10,302 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:18:10,302 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:18:10,302 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:18:10,302 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:18:10,302 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:18:10,302 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:18:10,303 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:18:10,303 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:18:10,303 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:18:10,303 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:18:10,303 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:18:10,307 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:18:10,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:18:10,308 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:18:10,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:18:10,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:18:10,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:18:10,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:18:10,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:18:10,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:18:10,310 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:18:10,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:18:10,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:18:10,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:18:10,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:18:10,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:18:10,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:18:10,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:18:10,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:18:10,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:18:10,315 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:18:10,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:18:10,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:18:10,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:18:10,315 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:18:10,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:18:10,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:18:10,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:18:10,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:18:10,666 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:18:10,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2019-11-24 05:18:10,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8acbff6f/b6507446669f4817a9bf61e2d208b41c/FLAGe8c151d9d [2019-11-24 05:18:11,233 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:18:11,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2019-11-24 05:18:11,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8acbff6f/b6507446669f4817a9bf61e2d208b41c/FLAGe8c151d9d [2019-11-24 05:18:11,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8acbff6f/b6507446669f4817a9bf61e2d208b41c [2019-11-24 05:18:11,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:18:11,575 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:18:11,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:18:11,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:18:11,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:18:11,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:18:11" (1/1) ... [2019-11-24 05:18:11,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790ce9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:11, skipping insertion in model container [2019-11-24 05:18:11,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:18:11" (1/1) ... [2019-11-24 05:18:11,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:18:11,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:18:12,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:18:12,183 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:18:12,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:18:12,358 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:18:12,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12 WrapperNode [2019-11-24 05:18:12,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:18:12,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:18:12,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:18:12,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:18:12,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (1/1) ... [2019-11-24 05:18:12,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (1/1) ... [2019-11-24 05:18:12,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:18:12,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:18:12,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:18:12,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:18:12,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (1/1) ... [2019-11-24 05:18:12,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (1/1) ... [2019-11-24 05:18:12,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (1/1) ... [2019-11-24 05:18:12,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (1/1) ... [2019-11-24 05:18:12,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (1/1) ... [2019-11-24 05:18:12,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (1/1) ... [2019-11-24 05:18:12,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (1/1) ... [2019-11-24 05:18:12,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:18:12,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:18:12,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:18:12,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:18:12,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (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 05:18:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:18:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:18:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:18:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:18:15,238 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:18:15,238 INFO L284 CfgBuilder]: Removed 194 assume(true) statements. [2019-11-24 05:18:15,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:18:15 BoogieIcfgContainer [2019-11-24 05:18:15,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:18:15,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:18:15,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:18:15,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:18:15,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:18:11" (1/3) ... [2019-11-24 05:18:15,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0f31a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:18:15, skipping insertion in model container [2019-11-24 05:18:15,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:18:12" (2/3) ... [2019-11-24 05:18:15,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0f31a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:18:15, skipping insertion in model container [2019-11-24 05:18:15,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:18:15" (3/3) ... [2019-11-24 05:18:15,253 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2019-11-24 05:18:15,262 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:18:15,270 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:18:15,281 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:18:15,312 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:18:15,313 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:18:15,313 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:18:15,313 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:18:15,313 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:18:15,313 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:18:15,313 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:18:15,314 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:18:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-24 05:18:15,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:18:15,339 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:18:15,340 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:18:15,340 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:18:15,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:18:15,346 INFO L82 PathProgramCache]: Analyzing trace with hash 762994306, now seen corresponding path program 1 times [2019-11-24 05:18:15,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:18:15,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042372265] [2019-11-24 05:18:15,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:18:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:18:15,815 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 05:18:15,816 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042372265] [2019-11-24 05:18:15,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:18:15,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 05:18:15,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372782658] [2019-11-24 05:18:15,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 05:18:15,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:18:15,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 05:18:15,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-24 05:18:15,839 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 5 states. [2019-11-24 05:18:16,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:18:16,048 INFO L93 Difference]: Finished difference Result 73 states and 105 transitions. [2019-11-24 05:18:16,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 05:18:16,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-11-24 05:18:16,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:18:16,060 INFO L225 Difference]: With dead ends: 73 [2019-11-24 05:18:16,060 INFO L226 Difference]: Without dead ends: 44 [2019-11-24 05:18:16,064 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 05:18:16,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-24 05:18:16,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 34. [2019-11-24 05:18:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-24 05:18:16,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2019-11-24 05:18:16,104 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 7 [2019-11-24 05:18:16,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:18:16,105 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2019-11-24 05:18:16,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 05:18:16,105 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2019-11-24 05:18:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-24 05:18:16,106 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:18:16,106 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2019-11-24 05:18:16,106 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:18:16,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:18:16,107 INFO L82 PathProgramCache]: Analyzing trace with hash -822864426, now seen corresponding path program 1 times [2019-11-24 05:18:16,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:18:16,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821758143] [2019-11-24 05:18:16,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:18:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:18:16,673 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 05:18:16,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821758143] [2019-11-24 05:18:16,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754807726] [2019-11-24 05:18:16,674 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 05:18:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:18:16,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 42 conjunts are in the unsatisfiable core [2019-11-24 05:18:16,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:18:17,167 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-11-24 05:18:17,347 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-11-24 05:18:17,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,419 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,476 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,491 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,523 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,524 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,535 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,543 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,607 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,615 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,623 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,624 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,634 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,688 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,762 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 05:18:17,762 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:18:17,791 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,794 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,799 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,815 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,828 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,832 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,924 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,950 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,958 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,959 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,965 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,990 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:17,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:18,153 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2019-11-24 05:18:18,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:18,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:18,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 05:18:18,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:18,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:18,217 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:18,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:18,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:18:18,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 05:18:18,254 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 05:18:18,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [465544414] [2019-11-24 05:18:18,280 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-24 05:18:18,281 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 05:18:18,288 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 05:18:18,294 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 05:18:18,294 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 05:18:25,608 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2019-11-24 05:18:27,184 WARN L192 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-24 05:18:27,312 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-11-24 05:18:27,896 WARN L192 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 594 [2019-11-24 05:18:28,980 WARN L192 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 695 [2019-11-24 05:18:32,034 WARN L192 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 882 DAG size of output: 845 [2019-11-24 05:18:33,655 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 882 DAG size of output: 845 [2019-11-24 05:18:35,519 WARN L192 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 835 [2019-11-24 05:18:35,520 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 05:18:40,098 WARN L192 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 484 DAG size of output: 429 [2019-11-24 05:19:01,227 WARN L192 SmtUtils]: Spent 20.47 s on a formula simplification. DAG size of input: 835 DAG size of output: 499