/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_spec2_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:24:09,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:24:09,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:24:09,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:24:09,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:24:09,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:24:09,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:24:09,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:24:09,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:24:09,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:24:09,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:24:09,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:24:09,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:24:09,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:24:09,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:24:09,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:24:09,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:24:09,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:24:09,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:24:09,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:24:09,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:24:09,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:24:09,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:24:09,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:24:09,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:24:09,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:24:09,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:24:09,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:24:09,825 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 05:24:09,840 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:24:09,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:24:09,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:24:09,841 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:24:09,842 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:24:09,842 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:24:09,842 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:24:09,842 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:24:09,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:24:09,843 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:24:09,843 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:24:09,843 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:24:09,843 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:24:09,843 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:24:09,843 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:24:09,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:24:09,844 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:24:09,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:24:09,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:24:09,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:24:09,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:24:09,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:24:09,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:24:09,846 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:24:09,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:24:09,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:24:09,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:24:09,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:24:09,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:24:09,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:24:09,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:24:09,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:24:09,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:24:09,847 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:24:09,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:24:09,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:24:09,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:24:09,848 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:24:10,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:24:10,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:24:10,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:24:10,155 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:24:10,155 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:24:10,156 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c [2019-11-24 05:24:10,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52af7ee09/f1229c1cf7934cec812d55e12e547026/FLAG0462b1516 [2019-11-24 05:24:10,724 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:24:10,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product58.cil.c [2019-11-24 05:24:10,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52af7ee09/f1229c1cf7934cec812d55e12e547026/FLAG0462b1516 [2019-11-24 05:24:11,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52af7ee09/f1229c1cf7934cec812d55e12e547026 [2019-11-24 05:24:11,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:24:11,121 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:24:11,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:24:11,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:24:11,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:24:11,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6886fec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11, skipping insertion in model container [2019-11-24 05:24:11,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:24:11,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:24:11,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:24:11,598 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:24:11,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:24:11,739 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:24:11,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11 WrapperNode [2019-11-24 05:24:11,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:24:11,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:24:11,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:24:11,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:24:11,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:24:11,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:24:11,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:24:11,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:24:11,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (1/1) ... [2019-11-24 05:24:11,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:24:11,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:24:11,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:24:11,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:24:11,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (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 05:24:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:24:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:24:11,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:24:11,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:24:14,375 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:24:14,376 INFO L284 CfgBuilder]: Removed 196 assume(true) statements. [2019-11-24 05:24:14,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:24:14 BoogieIcfgContainer [2019-11-24 05:24:14,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:24:14,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:24:14,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:24:14,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:24:14,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:24:11" (1/3) ... [2019-11-24 05:24:14,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d61ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:24:14, skipping insertion in model container [2019-11-24 05:24:14,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:24:11" (2/3) ... [2019-11-24 05:24:14,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d61ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:24:14, skipping insertion in model container [2019-11-24 05:24:14,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:24:14" (3/3) ... [2019-11-24 05:24:14,385 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2019-11-24 05:24:14,394 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:24:14,401 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:24:14,413 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:24:14,438 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:24:14,438 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:24:14,438 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:24:14,438 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:24:14,439 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:24:14,439 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:24:14,439 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:24:14,439 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:24:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-24 05:24:14,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:24:14,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:24:14,462 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:24:14,462 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:24:14,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:24:14,468 INFO L82 PathProgramCache]: Analyzing trace with hash -702694510, now seen corresponding path program 1 times [2019-11-24 05:24:14,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:24:14,478 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826572749] [2019-11-24 05:24:14,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:24:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:24:14,807 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 05:24:14,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826572749] [2019-11-24 05:24:14,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:24:14,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:24:14,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004467829] [2019-11-24 05:24:14,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:24:14,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:24:14,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:24:14,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:24:14,831 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-24 05:24:14,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:24:14,913 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2019-11-24 05:24:14,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:24:14,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:24:14,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:24:14,926 INFO L225 Difference]: With dead ends: 68 [2019-11-24 05:24:14,926 INFO L226 Difference]: Without dead ends: 40 [2019-11-24 05:24:14,929 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:24:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-24 05:24:14,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-24 05:24:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-24 05:24:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-24 05:24:14,969 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-24 05:24:14,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:24:14,970 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-24 05:24:14,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:24:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-24 05:24:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-24 05:24:14,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:24:14,971 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-24 05:24:14,972 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:24:14,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:24:14,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1543491592, now seen corresponding path program 1 times [2019-11-24 05:24:14,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:24:14,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953899437] [2019-11-24 05:24:14,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:24:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:24:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:24:15,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953899437] [2019-11-24 05:24:15,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:24:15,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-24 05:24:15,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988855353] [2019-11-24 05:24:15,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-24 05:24:15,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:24:15,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-24 05:24:15,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-24 05:24:15,334 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 5 states. [2019-11-24 05:24:15,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:24:15,491 INFO L93 Difference]: Finished difference Result 98 states and 133 transitions. [2019-11-24 05:24:15,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-24 05:24:15,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-24 05:24:15,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:24:15,493 INFO L225 Difference]: With dead ends: 98 [2019-11-24 05:24:15,493 INFO L226 Difference]: Without dead ends: 60 [2019-11-24 05:24:15,495 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:24:15,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-24 05:24:15,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 47. [2019-11-24 05:24:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-24 05:24:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 64 transitions. [2019-11-24 05:24:15,504 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 64 transitions. Word has length 13 [2019-11-24 05:24:15,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:24:15,505 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 64 transitions. [2019-11-24 05:24:15,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-24 05:24:15,505 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2019-11-24 05:24:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-24 05:24:15,506 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:24:15,506 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-24 05:24:15,506 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:24:15,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:24:15,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1456796136, now seen corresponding path program 1 times [2019-11-24 05:24:15,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:24:15,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269307730] [2019-11-24 05:24:15,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:24:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:24:15,834 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:24:15,835 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269307730] [2019-11-24 05:24:15,835 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850758244] [2019-11-24 05:24:15,835 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 05:24:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:24:16,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 46 conjunts are in the unsatisfiable core [2019-11-24 05:24:16,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:24:16,341 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 65 [2019-11-24 05:24:16,507 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-11-24 05:24:16,528 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,534 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,536 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,539 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,540 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,543 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,553 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:16,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,111 WARN L192 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 78 [2019-11-24 05:24:17,442 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2019-11-24 05:24:17,462 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:24:17,462 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:24:17,562 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,575 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,577 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,609 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,624 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,630 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,642 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,647 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,650 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,655 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,657 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,671 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,681 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,685 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,686 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,713 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,744 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,749 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,756 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,759 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,762 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,766 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,767 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,770 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,775 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,777 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,784 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,793 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,798 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,813 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,815 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,823 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,827 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,838 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,870 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,889 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,892 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,900 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,933 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,942 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,947 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,951 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,957 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,963 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,974 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:17,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,002 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,011 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,313 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 26 [2019-11-24 05:24:18,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,380 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 05:24:18,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,385 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,430 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:24:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:24:18,477 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1529609580] [2019-11-24 05:24:18,502 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 05:24:18,502 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 05:24:18,508 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 05:24:18,515 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 05:24:18,516 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 05:24:29,292 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 478 [2019-11-24 05:24:30,879 WARN L192 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-24 05:24:31,057 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-11-24 05:24:31,692 WARN L192 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 596 [2019-11-24 05:24:32,730 WARN L192 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-11-24 05:25:17,445 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 05:25:22,216 WARN L192 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 486 DAG size of output: 431 [2019-11-24 05:25:38,169 WARN L192 SmtUtils]: Spent 15.52 s on a formula simplification. DAG size of input: 699 DAG size of output: 507