java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:06:43,151 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:06:43,154 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:06:43,170 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:06:43,170 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:06:43,171 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:06:43,172 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:06:43,174 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:06:43,176 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:06:43,177 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:06:43,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:06:43,178 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:06:43,179 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:06:43,180 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:06:43,181 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:06:43,182 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:06:43,183 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:06:43,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:06:43,186 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:06:43,188 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:06:43,189 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:06:43,191 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:06:43,196 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 00:06:43,211 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 00:06:43,239 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:06:43,239 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:06:43,240 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:06:43,241 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:06:43,241 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:06:43,241 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:06:43,241 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:06:43,241 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:06:43,242 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:06:43,242 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:06:43,242 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:06:43,242 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:06:43,242 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:06:43,243 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:06:43,243 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:06:43,243 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:06:43,244 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:06:43,244 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:06:43,244 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:06:43,244 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:06:43,244 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:06:43,245 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:06:43,245 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:06:43,245 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:06:43,245 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:06:43,245 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:06:43,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:06:43,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:06:43,246 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:06:43,246 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:06:43,246 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:06:43,247 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:06:43,247 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:06:43,247 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:06:43,247 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:06:43,247 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:06:43,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:06:43,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:06:43,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:06:43,338 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:06:43,339 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:06:43,339 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c [2018-10-25 00:06:43,405 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/71013a3b4/f70040203fe142858fb9e6cc32e31c28/FLAGb3badec68 [2018-10-25 00:06:43,959 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:06:43,960 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label30_true-unreach-call_false-termination.c [2018-10-25 00:06:43,975 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/71013a3b4/f70040203fe142858fb9e6cc32e31c28/FLAGb3badec68 [2018-10-25 00:06:43,992 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/71013a3b4/f70040203fe142858fb9e6cc32e31c28 [2018-10-25 00:06:44,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:06:44,004 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:06:44,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:06:44,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:06:44,009 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:06:44,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:06:43" (1/1) ... [2018-10-25 00:06:44,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5060f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44, skipping insertion in model container [2018-10-25 00:06:44,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:06:43" (1/1) ... [2018-10-25 00:06:44,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:06:44,077 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:06:44,596 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:06:44,601 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:06:44,711 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:06:44,731 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:06:44,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44 WrapperNode [2018-10-25 00:06:44,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:06:44,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:06:44,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:06:44,733 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:06:44,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (1/1) ... [2018-10-25 00:06:44,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (1/1) ... [2018-10-25 00:06:44,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:06:44,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:06:44,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:06:44,922 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:06:44,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (1/1) ... [2018-10-25 00:06:44,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (1/1) ... [2018-10-25 00:06:44,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (1/1) ... [2018-10-25 00:06:44,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (1/1) ... [2018-10-25 00:06:44,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (1/1) ... [2018-10-25 00:06:44,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (1/1) ... [2018-10-25 00:06:44,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (1/1) ... [2018-10-25 00:06:45,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:06:45,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:06:45,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:06:45,006 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:06:45,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-25 00:06:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:06:45,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:06:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:06:45,079 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:06:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:06:45,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:06:45,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:06:45,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:06:48,639 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:06:48,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:06:48 BoogieIcfgContainer [2018-10-25 00:06:48,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:06:48,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:06:48,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:06:48,652 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:06:48,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:06:43" (1/3) ... [2018-10-25 00:06:48,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af6791b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:06:48, skipping insertion in model container [2018-10-25 00:06:48,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:44" (2/3) ... [2018-10-25 00:06:48,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af6791b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:06:48, skipping insertion in model container [2018-10-25 00:06:48,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:06:48" (3/3) ... [2018-10-25 00:06:48,658 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label30_true-unreach-call_false-termination.c [2018-10-25 00:06:48,669 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:06:48,679 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:06:48,693 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:06:48,731 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:06:48,731 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:06:48,731 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:06:48,732 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:06:48,732 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:06:48,732 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:06:48,732 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:06:48,733 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:06:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:06:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-25 00:06:48,779 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:48,780 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:48,784 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:48,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:48,790 INFO L82 PathProgramCache]: Analyzing trace with hash -564012609, now seen corresponding path program 1 times [2018-10-25 00:06:48,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:48,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:48,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:48,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:48,837 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:49,478 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:06:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:49,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:06:49,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:06:49,619 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:49,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:06:49,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:06:49,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:06:49,645 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-25 00:06:51,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:51,386 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-10-25 00:06:51,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:06:51,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2018-10-25 00:06:51,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:51,408 INFO L225 Difference]: With dead ends: 618 [2018-10-25 00:06:51,408 INFO L226 Difference]: Without dead ends: 379 [2018-10-25 00:06:51,415 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:06:51,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-10-25 00:06:51,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-10-25 00:06:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-10-25 00:06:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-10-25 00:06:51,539 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 135 [2018-10-25 00:06:51,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:51,541 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-10-25 00:06:51,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:06:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-10-25 00:06:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-25 00:06:51,561 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:51,561 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:51,562 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:51,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:51,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1268148278, now seen corresponding path program 1 times [2018-10-25 00:06:51,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:51,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:51,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:51,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:51,567 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:51,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:06:51,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:06:51,836 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:51,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:06:51,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:06:51,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:06:51,839 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-10-25 00:06:53,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:53,933 INFO L93 Difference]: Finished difference Result 1231 states and 2094 transitions. [2018-10-25 00:06:53,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-25 00:06:53,941 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-10-25 00:06:53,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:53,956 INFO L225 Difference]: With dead ends: 1231 [2018-10-25 00:06:53,956 INFO L226 Difference]: Without dead ends: 858 [2018-10-25 00:06:53,963 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:06:53,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2018-10-25 00:06:54,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 821. [2018-10-25 00:06:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-10-25 00:06:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1290 transitions. [2018-10-25 00:06:54,033 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1290 transitions. Word has length 151 [2018-10-25 00:06:54,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:54,033 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 1290 transitions. [2018-10-25 00:06:54,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:06:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1290 transitions. [2018-10-25 00:06:54,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-25 00:06:54,038 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:54,039 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:54,039 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:54,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:54,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1898018613, now seen corresponding path program 1 times [2018-10-25 00:06:54,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:54,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:54,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:54,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:54,042 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:54,269 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:06:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:54,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:06:54,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:06:54,366 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:54,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:06:54,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:06:54,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:06:54,368 INFO L87 Difference]: Start difference. First operand 821 states and 1290 transitions. Second operand 6 states. [2018-10-25 00:06:58,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:58,634 INFO L93 Difference]: Finished difference Result 2553 states and 4218 transitions. [2018-10-25 00:06:58,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:06:58,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-10-25 00:06:58,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:58,661 INFO L225 Difference]: With dead ends: 2553 [2018-10-25 00:06:58,661 INFO L226 Difference]: Without dead ends: 1738 [2018-10-25 00:06:58,668 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:06:58,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2018-10-25 00:06:58,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1680. [2018-10-25 00:06:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1680 states. [2018-10-25 00:06:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2538 transitions. [2018-10-25 00:06:58,756 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2538 transitions. Word has length 158 [2018-10-25 00:06:58,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:58,756 INFO L481 AbstractCegarLoop]: Abstraction has 1680 states and 2538 transitions. [2018-10-25 00:06:58,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:06:58,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2538 transitions. [2018-10-25 00:06:58,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-25 00:06:58,767 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:58,767 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:58,768 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:58,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:58,768 INFO L82 PathProgramCache]: Analyzing trace with hash -622646755, now seen corresponding path program 1 times [2018-10-25 00:06:58,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:58,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:58,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:58,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:58,770 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:06:58,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:58,953 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:58,954 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-10-25 00:06:58,956 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:59,003 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:59,004 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:59,681 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:06:59,683 INFO L272 AbstractInterpreter]: Visited 136 different actions 136 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-25 00:06:59,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:59,721 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:07:00,191 INFO L232 lantSequenceWeakener]: Weakened 151 states. On average, predicates are now at 81.26% of their original sizes. [2018-10-25 00:07:00,192 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:07:00,439 INFO L413 sIntCurrentIteration]: We have 159 unified AI predicates [2018-10-25 00:07:00,439 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:07:00,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:00,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 00:07:00,441 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:00,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:07:00,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:07:00,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:07:00,442 INFO L87 Difference]: Start difference. First operand 1680 states and 2538 transitions. Second operand 6 states. [2018-10-25 00:07:09,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:09,946 INFO L93 Difference]: Finished difference Result 3502 states and 5277 transitions. [2018-10-25 00:07:09,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:07:09,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-10-25 00:07:09,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:09,956 INFO L225 Difference]: With dead ends: 3502 [2018-10-25 00:07:09,956 INFO L226 Difference]: Without dead ends: 1828 [2018-10-25 00:07:09,962 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:07:09,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2018-10-25 00:07:10,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1825. [2018-10-25 00:07:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1825 states. [2018-10-25 00:07:10,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2690 transitions. [2018-10-25 00:07:10,013 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2690 transitions. Word has length 160 [2018-10-25 00:07:10,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:10,014 INFO L481 AbstractCegarLoop]: Abstraction has 1825 states and 2690 transitions. [2018-10-25 00:07:10,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:07:10,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2690 transitions. [2018-10-25 00:07:10,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-25 00:07:10,022 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:10,022 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:10,022 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:10,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:10,023 INFO L82 PathProgramCache]: Analyzing trace with hash 9901054, now seen corresponding path program 1 times [2018-10-25 00:07:10,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:10,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:10,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:10,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:10,025 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:07:10,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:10,252 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:10,253 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-10-25 00:07:10,253 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:10,260 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:10,264 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:10,957 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:07:10,957 INFO L272 AbstractInterpreter]: Visited 140 different actions 417 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:07:10,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:10,988 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:07:12,282 INFO L232 lantSequenceWeakener]: Weakened 5 states. On average, predicates are now at 82.78% of their original sizes. [2018-10-25 00:07:12,282 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:07:17,149 INFO L413 sIntCurrentIteration]: We have 169 unified AI predicates [2018-10-25 00:07:17,150 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:07:17,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:17,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 19 [2018-10-25 00:07:17,150 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:17,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:07:17,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:07:17,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-10-25 00:07:17,151 INFO L87 Difference]: Start difference. First operand 1825 states and 2690 transitions. Second operand 12 states. [2018-10-25 00:07:32,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:32,904 INFO L93 Difference]: Finished difference Result 5082 states and 7440 transitions. [2018-10-25 00:07:32,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:07:32,905 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 170 [2018-10-25 00:07:32,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:32,922 INFO L225 Difference]: With dead ends: 5082 [2018-10-25 00:07:32,922 INFO L226 Difference]: Without dead ends: 3263 [2018-10-25 00:07:32,929 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 173 GetRequests, 30 SyntacticMatches, 129 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:07:32,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2018-10-25 00:07:33,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 3067. [2018-10-25 00:07:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3067 states. [2018-10-25 00:07:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 4235 transitions. [2018-10-25 00:07:33,019 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 4235 transitions. Word has length 170 [2018-10-25 00:07:33,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:33,020 INFO L481 AbstractCegarLoop]: Abstraction has 3067 states and 4235 transitions. [2018-10-25 00:07:33,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:07:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 4235 transitions. [2018-10-25 00:07:33,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-25 00:07:33,030 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:33,030 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:33,031 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:33,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:33,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1896536654, now seen corresponding path program 1 times [2018-10-25 00:07:33,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:33,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:33,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:33,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:33,033 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:33,410 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-25 00:07:33,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:33,411 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:33,411 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-10-25 00:07:33,412 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:33,416 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:33,417 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:33,936 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:33,937 INFO L272 AbstractInterpreter]: Visited 140 different actions 415 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:07:33,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:33,945 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:33,945 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:33,946 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:07:33,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:33,956 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:34,076 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:34,292 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:34,727 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:34,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-10-25 00:07:34,728 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:34,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:34,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:34,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:07:34,729 INFO L87 Difference]: Start difference. First operand 3067 states and 4235 transitions. Second operand 3 states. [2018-10-25 00:07:36,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:36,871 INFO L93 Difference]: Finished difference Result 8223 states and 11883 transitions. [2018-10-25 00:07:36,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:36,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2018-10-25 00:07:36,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:36,900 INFO L225 Difference]: With dead ends: 8223 [2018-10-25 00:07:36,900 INFO L226 Difference]: Without dead ends: 5306 [2018-10-25 00:07:36,914 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 346 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:07:36,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5306 states. [2018-10-25 00:07:37,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5306 to 5302. [2018-10-25 00:07:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5302 states. [2018-10-25 00:07:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5302 states to 5302 states and 7033 transitions. [2018-10-25 00:07:37,060 INFO L78 Accepts]: Start accepts. Automaton has 5302 states and 7033 transitions. Word has length 172 [2018-10-25 00:07:37,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:37,061 INFO L481 AbstractCegarLoop]: Abstraction has 5302 states and 7033 transitions. [2018-10-25 00:07:37,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:37,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5302 states and 7033 transitions. [2018-10-25 00:07:37,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-25 00:07:37,077 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:37,077 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:37,077 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:37,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:37,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1363408600, now seen corresponding path program 1 times [2018-10-25 00:07:37,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:37,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:37,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:37,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:37,079 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:37,321 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:07:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:37,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:37,622 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:37,622 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-10-25 00:07:37,622 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:37,628 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:37,629 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:38,416 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:07:38,416 INFO L272 AbstractInterpreter]: Visited 139 different actions 414 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:07:38,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:38,454 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:07:39,689 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 83.33% of their original sizes. [2018-10-25 00:07:39,689 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:07:44,167 INFO L413 sIntCurrentIteration]: We have 180 unified AI predicates [2018-10-25 00:07:44,168 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:07:44,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:44,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-10-25 00:07:44,169 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:44,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:07:44,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:07:44,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:07:44,171 INFO L87 Difference]: Start difference. First operand 5302 states and 7033 transitions. Second operand 11 states. [2018-10-25 00:07:58,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:58,651 INFO L93 Difference]: Finished difference Result 12141 states and 16645 transitions. [2018-10-25 00:07:58,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:07:58,651 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 181 [2018-10-25 00:07:58,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:58,684 INFO L225 Difference]: With dead ends: 12141 [2018-10-25 00:07:58,684 INFO L226 Difference]: Without dead ends: 7718 [2018-10-25 00:07:58,703 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 185 GetRequests, 22 SyntacticMatches, 149 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:07:58,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7718 states. [2018-10-25 00:07:58,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7718 to 7531. [2018-10-25 00:07:58,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7531 states. [2018-10-25 00:07:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7531 states to 7531 states and 9746 transitions. [2018-10-25 00:07:58,902 INFO L78 Accepts]: Start accepts. Automaton has 7531 states and 9746 transitions. Word has length 181 [2018-10-25 00:07:58,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:58,903 INFO L481 AbstractCegarLoop]: Abstraction has 7531 states and 9746 transitions. [2018-10-25 00:07:58,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:07:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 7531 states and 9746 transitions. [2018-10-25 00:07:58,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-25 00:07:58,925 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:58,926 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:58,926 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:58,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:58,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1196143742, now seen corresponding path program 1 times [2018-10-25 00:07:58,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:58,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:58,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:58,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:58,928 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:59,165 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:07:59,355 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 74 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:07:59,355 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:59,355 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:59,356 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 206 with the following transitions: [2018-10-25 00:07:59,356 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:59,360 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:59,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:00,178 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:00,178 INFO L272 AbstractInterpreter]: Visited 141 different actions 563 times. Merged at 8 different actions 35 times. Widened at 1 different actions 2 times. Found 6 fixpoints after 5 different actions. Largest state had 38 variables. [2018-10-25 00:08:00,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:00,184 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:00,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:00,184 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:00,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:00,193 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:00,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-25 00:08:00,355 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 74 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:08:00,785 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:00,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-25 00:08:00,785 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:00,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:08:00,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:08:00,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:08:00,788 INFO L87 Difference]: Start difference. First operand 7531 states and 9746 transitions. Second operand 9 states. [2018-10-25 00:08:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:02,147 INFO L93 Difference]: Finished difference Result 14293 states and 18925 transitions. [2018-10-25 00:08:02,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 00:08:02,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2018-10-25 00:08:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:02,183 INFO L225 Difference]: With dead ends: 14293 [2018-10-25 00:08:02,183 INFO L226 Difference]: Without dead ends: 6052 [2018-10-25 00:08:02,212 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 409 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:08:02,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6052 states. [2018-10-25 00:08:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6052 to 5951. [2018-10-25 00:08:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5951 states. [2018-10-25 00:08:02,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5951 states to 5951 states and 7221 transitions. [2018-10-25 00:08:02,372 INFO L78 Accepts]: Start accepts. Automaton has 5951 states and 7221 transitions. Word has length 205 [2018-10-25 00:08:02,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:02,372 INFO L481 AbstractCegarLoop]: Abstraction has 5951 states and 7221 transitions. [2018-10-25 00:08:02,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:08:02,373 INFO L276 IsEmpty]: Start isEmpty. Operand 5951 states and 7221 transitions. [2018-10-25 00:08:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-25 00:08:02,390 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:02,390 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:02,390 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:02,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:02,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1052905866, now seen corresponding path program 1 times [2018-10-25 00:08:02,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:02,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:02,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:02,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:02,392 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:02,850 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 82 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-25 00:08:02,850 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:02,850 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:02,851 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-10-25 00:08:02,851 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:02,854 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:02,854 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:03,675 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:03,675 INFO L272 AbstractInterpreter]: Visited 141 different actions 562 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:08:03,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:03,682 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:03,682 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:03,682 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:03,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:03,691 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:03,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:08:03,887 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:08:04,182 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:04,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-10-25 00:08:04,182 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:04,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:08:04,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:08:04,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-10-25 00:08:04,184 INFO L87 Difference]: Start difference. First operand 5951 states and 7221 transitions. Second operand 9 states. [2018-10-25 00:08:08,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:08,321 INFO L93 Difference]: Finished difference Result 14951 states and 18639 transitions. [2018-10-25 00:08:08,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-25 00:08:08,322 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 209 [2018-10-25 00:08:08,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:08,350 INFO L225 Difference]: With dead ends: 14951 [2018-10-25 00:08:08,350 INFO L226 Difference]: Without dead ends: 8786 [2018-10-25 00:08:08,374 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=234, Invalid=822, Unknown=0, NotChecked=0, Total=1056 [2018-10-25 00:08:08,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8786 states. [2018-10-25 00:08:08,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8786 to 8268. [2018-10-25 00:08:08,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8268 states. [2018-10-25 00:08:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8268 states to 8268 states and 9458 transitions. [2018-10-25 00:08:08,575 INFO L78 Accepts]: Start accepts. Automaton has 8268 states and 9458 transitions. Word has length 209 [2018-10-25 00:08:08,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:08,575 INFO L481 AbstractCegarLoop]: Abstraction has 8268 states and 9458 transitions. [2018-10-25 00:08:08,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:08:08,576 INFO L276 IsEmpty]: Start isEmpty. Operand 8268 states and 9458 transitions. [2018-10-25 00:08:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-10-25 00:08:08,599 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:08:08,599 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:08:08,599 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:08:08,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:08,600 INFO L82 PathProgramCache]: Analyzing trace with hash -763570810, now seen corresponding path program 1 times [2018-10-25 00:08:08,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:08:08,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:08,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:08,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:08:08,601 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:08:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:08,904 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-25 00:08:09,064 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 165 proven. 84 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-25 00:08:09,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:09,065 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:08:09,065 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-10-25 00:08:09,065 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [190], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [751], [753], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:08:09,068 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:08:09,068 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:08:09,511 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:08:09,511 INFO L272 AbstractInterpreter]: Visited 144 different actions 431 times. Merged at 9 different actions 27 times. Never widened. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:08:09,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:08:09,518 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:08:09,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:08:09,518 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:08:09,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:08:09,525 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:08:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:08:09,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:08:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 202 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-25 00:08:09,807 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:08:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 180 proven. 49 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-25 00:08:10,043 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:08:10,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-10-25 00:08:10,043 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:08:10,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 00:08:10,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 00:08:10,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:08:10,045 INFO L87 Difference]: Start difference. First operand 8268 states and 9458 transitions. Second operand 15 states. [2018-10-25 00:08:12,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:08:12,927 INFO L93 Difference]: Finished difference Result 13873 states and 15938 transitions. [2018-10-25 00:08:12,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-25 00:08:12,928 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 281 [2018-10-25 00:08:12,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:08:12,928 INFO L225 Difference]: With dead ends: 13873 [2018-10-25 00:08:12,928 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:08:12,948 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 572 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-10-25 00:08:12,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:08:12,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:08:12,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:08:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:08:12,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2018-10-25 00:08:12,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:08:12,950 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:08:12,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:08:12,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:08:12,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:08:12,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:08:13,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,529 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 160 [2018-10-25 00:08:13,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:08:13,716 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 159 [2018-10-25 00:08:14,227 WARN L179 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2018-10-25 00:08:14,703 WARN L179 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 77 [2018-10-25 00:08:18,980 WARN L179 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 304 DAG size of output: 72 [2018-10-25 00:08:19,606 WARN L179 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 98 [2018-10-25 00:08:20,345 WARN L179 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 99 [2018-10-25 00:08:20,348 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:08:20,348 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-10-25 00:08:20,348 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:08:20,348 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:08:20,349 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:08:20,350 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:08:20,350 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:08:20,350 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:08:20,350 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:08:20,350 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:08:20,350 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,350 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,350 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,351 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,351 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:08:20,351 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,351 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:08:20,351 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:08:20,351 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:08:20,351 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:08:20,351 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:08:20,351 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:08:20,352 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:08:20,352 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:08:20,352 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:08:20,352 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:08:20,352 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:08:20,352 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:08:20,352 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:08:20,352 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:08:20,352 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:08:20,353 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,353 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,353 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,353 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,353 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,353 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:08:20,353 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:08:20,353 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:08:20,353 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:08:20,354 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:08:20,354 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:08:20,354 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:08:20,354 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:08:20,354 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:08:20,354 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:08:20,354 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:08:20,354 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,354 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,355 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,355 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,355 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,355 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:08:20,355 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:08:20,355 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:08:20,355 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:08:20,355 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:08:20,355 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:08:20,355 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:08:20,356 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:08:20,356 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:08:20,356 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:08:20,356 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:08:20,356 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:08:20,356 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:08:20,356 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,356 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,356 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,357 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,357 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,357 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:08:20,357 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:08:20,357 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:08:20,357 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:08:20,357 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:08:20,357 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:08:20,357 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:08:20,358 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:08:20,358 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:08:20,358 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:08:20,358 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:08:20,358 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:08:20,358 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:08:20,358 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:08:20,358 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:08:20,358 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:08:20,359 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,359 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,359 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,359 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,359 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:08:20,359 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,359 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:08:20,359 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,360 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:08:20,360 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:08:20,360 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:08:20,360 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,360 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,360 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:08:20,360 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:08:20,360 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:08:20,360 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:08:20,360 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:08:20,361 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:08:20,361 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:08:20,361 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:08:20,361 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:08:20,361 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:08:20,361 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:08:20,361 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,361 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,361 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,361 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,362 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,362 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,362 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:08:20,362 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:08:20,362 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:08:20,362 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:08:20,362 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:08:20,362 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:08:20,362 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:08:20,363 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:08:20,363 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:08:20,363 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:08:20,363 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 556) no Hoare annotation was computed. [2018-10-25 00:08:20,363 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:08:20,363 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,363 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,363 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,363 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,363 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,364 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,364 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:08:20,364 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:08:20,364 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:08:20,364 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:08:20,364 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:08:20,364 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:08:20,364 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:08:20,364 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:08:20,365 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:08:20,365 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:08:20,365 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:08:20,365 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:08:20,365 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:08:20,365 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:08:20,365 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,365 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,365 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,366 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (not (= 1 ~a21~0))) (.cse13 (not (= 1 |old(~a19~0)|))) (.cse17 (= 1 |old(~a25~0)|))) (let ((.cse0 (< 7 |old(~a28~0)|)) (.cse1 (not .cse17)) (.cse9 (= |old(~a11~0)| |old(~a19~0)|)) (.cse3 (= |old(~a28~0)| ~a28~0)) (.cse2 (or .cse12 (= 0 |old(~a17~0)|) .cse13 (= 0 |old(~a28~0)|))) (.cse6 (and (not (= ~a28~0 0)) (= ~a19~0 1) (= ~a21~0 1) (not (= ~a17~0 0)))) (.cse10 (< 10 |old(~a28~0)|)) (.cse16 (< |old(~a28~0)| 10)) (.cse11 (= |old(~a19~0)| ~a19~0)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse14 (<= 10 ~a28~0)) (.cse5 (= 7 ~a17~0)) (.cse15 (<= ~a28~0 10)) (.cse7 (= ~a25~0 |old(~a25~0)|)) (.cse8 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse1 .cse2 .cse9 (and .cse3 .cse4 .cse6 .cse7)) (or .cse10 (and .cse3 .cse11 .cse4 (= ~a17~0 |old(~a17~0)|) .cse7) (not (= |old(~a17~0)| 8))) (or .cse1 (and .cse4 .cse3 .cse11 (= ~a17~0 8) .cse7) .cse9 (or .cse12 .cse13 (not (= 8 |old(~a17~0)|)))) (or .cse10 .cse1 (= |old(~a17~0)| |old(~a28~0)|) .cse9 (and .cse3 .cse11 .cse4 .cse5 .cse7) .cse8) (or .cse10 .cse2 (and .cse4 .cse14 .cse15 (= |old(~a25~0)| ~a25~0) .cse6) .cse16) (or .cse10 .cse16 .cse17 (and .cse11 .cse4 .cse14 .cse5 .cse15 .cse7) .cse8)))) [2018-10-25 00:08:20,366 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,366 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,366 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,366 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:08:20,366 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:08:20,366 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:08:20,366 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,367 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:08:20,368 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:08:20,369 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:08:20,370 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:08:20,370 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:08:20,370 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:08:20,370 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:08:20,370 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:08:20,370 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:08:20,370 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:08:20,370 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:08:20,370 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:08:20,371 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:08:20,371 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:08:20,371 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:08:20,371 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:08:20,371 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:08:20,371 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-10-25 00:08:20,371 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:08:20,371 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:08:20,372 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:08:20,372 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:08:20,372 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a19~0 1)) (.cse8 (= ~a21~0 1))) (let ((.cse4 (<= 10 ~a28~0)) (.cse6 (<= ~a28~0 7)) (.cse7 (and (not (= ~a28~0 0)) .cse2 .cse8 (not (= ~a17~0 0)))) (.cse5 (= 7 ~a17~0)) (.cse1 (= 1 ~a25~0)) (.cse0 (<= ~a28~0 10)) (.cse3 (not (= ~a19~0 ~a11~0)))) (or (and (= |old(~a17~0)| ~a17~0) .cse0) (and .cse1 (and (= ~a17~0 8) .cse2) .cse3) (and .cse4 (not (= ~a25~0 1)) .cse5 .cse0) (and .cse6 .cse1 .cse7 .cse3) (not .cse8) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse4 .cse0 .cse7) (and .cse6 .cse5 .cse1 .cse7) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and (not (= ~a28~0 ~a17~0)) .cse5 .cse1 .cse0 .cse3) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-10-25 00:08:20,372 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:08:20,372 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:08:20,373 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= ~a21~0 1))) (let ((.cse5 (<= 10 ~a28~0)) (.cse4 (<= ~a28~0 7)) (.cse3 (and (not (= ~a28~0 0)) (= ~a19~0 1) .cse7 (not (= ~a17~0 0)))) (.cse6 (= 7 ~a17~0)) (.cse1 (= 1 ~a25~0)) (.cse0 (<= ~a28~0 10)) (.cse2 (not (= ~a19~0 ~a11~0)))) (or (and (= |old(~a17~0)| ~a17~0) .cse0) (and .cse1 (= ~a17~0 8) .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse2) (and .cse5 (not (= ~a25~0 1)) .cse6 .cse0) (not .cse7) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse5 .cse0 .cse3) (and .cse4 .cse6 .cse1 .cse3) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and (not (= ~a28~0 ~a17~0)) .cse6 .cse1 .cse0 .cse2) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-10-25 00:08:20,373 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:08:20,373 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:08:20,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:08:20 BoogieIcfgContainer [2018-10-25 00:08:20,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:08:20,389 INFO L168 Benchmark]: Toolchain (without parser) took 96385.32 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-25 00:08:20,390 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:08:20,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:20,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:20,392 INFO L168 Benchmark]: Boogie Preprocessor took 83.73 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:08:20,392 INFO L168 Benchmark]: RCFGBuilder took 3640.20 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 7.1 GB. [2018-10-25 00:08:20,393 INFO L168 Benchmark]: TraceAbstraction took 91741.18 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -706.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-25 00:08:20,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 188.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -803.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.73 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3640.20 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.9 MB). Peak memory consumption was 118.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 91741.18 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 2.8 GB in the end (delta: -706.6 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 556]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((\old(a17) == a17 && a28 <= 10) || ((1 == a25 && a17 == 8 && a19 == 1) && !(a19 == a11))) || (((10 <= a28 && !(a25 == 1)) && 7 == a17) && a28 <= 10)) || (((a28 <= 7 && 1 == a25) && ((!(a28 == 0) && a19 == 1) && a21 == 1) && !(a17 == 0)) && !(a19 == a11))) || !(a21 == 1)) || !(y == 25)) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || ((10 <= a28 && a28 <= 10) && ((!(a28 == 0) && a19 == 1) && a21 == 1) && !(a17 == 0))) || (((a28 <= 7 && 7 == a17) && 1 == a25) && ((!(a28 == 0) && a19 == 1) && a21 == 1) && !(a17 == 0))) || !(z == 26)) || !(0 == \old(a25))) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || ((((!(a28 == a17) && 7 == a17) && 1 == a25) && a28 <= 10) && !(a19 == a11))) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 91.6s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 58.7s AutomataDifference, 0.0s DeadEndRemovalTime, 7.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1691 SDtfs, 10479 SDslu, 1827 SDs, 0 SdLazy, 15701 SolverSat, 2166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2384 GetRequests, 1970 SyntacticMatches, 289 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1745 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8268occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.9s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.997225935490179 AbsIntWeakeningRatio, 0.20669291338582677 AbsIntAvgWeakeningVarsNumRemoved, 9.135826771653543 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 1104 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 231 PreInvPairs, 335 NumberOfFragments, 850 HoareAnnotationTreeSize, 231 FomulaSimplifications, 17731 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 17440 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 2689 NumberOfCodeBlocks, 2689 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3538 ConstructedInterpolants, 0 QuantifiedInterpolants, 1413444 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2073 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 1552/1806 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...