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/Problem10_label02_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 01:21:23,206 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 01:21:23,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 01:21:23,226 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 01:21:23,226 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 01:21:23,227 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 01:21:23,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 01:21:23,232 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 01:21:23,236 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 01:21:23,237 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 01:21:23,238 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 01:21:23,239 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 01:21:23,240 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 01:21:23,242 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 01:21:23,251 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 01:21:23,251 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 01:21:23,252 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 01:21:23,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 01:21:23,259 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 01:21:23,261 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 01:21:23,262 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 01:21:23,263 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 01:21:23,265 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 01:21:23,272 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 01:21:23,287 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 01:21:23,288 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 01:21:23,289 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 01:21:23,291 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 01:21:23,291 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 01:21:23,292 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 01:21:23,292 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 01:21:23,292 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 01:21:23,292 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 01:21:23,292 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 01:21:23,292 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 01:21:23,293 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 01:21:23,293 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 01:21:23,293 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 01:21:23,294 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 01:21:23,294 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 01:21:23,295 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 01:21:23,295 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 01:21:23,295 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 01:21:23,295 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 01:21:23,295 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 01:21:23,296 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 01:21:23,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 01:21:23,296 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 01:21:23,296 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 01:21:23,296 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 01:21:23,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 01:21:23,299 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 01:21:23,299 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 01:21:23,299 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 01:21:23,299 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 01:21:23,299 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 01:21:23,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 01:21:23,300 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 01:21:23,300 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 01:21:23,300 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 01:21:23,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 01:21:23,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 01:21:23,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 01:21:23,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 01:21:23,377 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 01:21:23,379 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label02_true-unreach-call.c [2018-10-25 01:21:23,453 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a6f343086/080cbad9c6d343718b9081f77f7e4447/FLAG17d53dc82 [2018-10-25 01:21:24,030 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 01:21:24,031 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label02_true-unreach-call.c [2018-10-25 01:21:24,043 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a6f343086/080cbad9c6d343718b9081f77f7e4447/FLAG17d53dc82 [2018-10-25 01:21:24,058 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a6f343086/080cbad9c6d343718b9081f77f7e4447 [2018-10-25 01:21:24,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 01:21:24,070 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 01:21:24,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 01:21:24,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 01:21:24,076 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 01:21:24,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:24,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d204f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24, skipping insertion in model container [2018-10-25 01:21:24,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:24,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 01:21:24,156 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 01:21:24,577 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 01:21:24,581 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 01:21:24,719 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 01:21:24,742 INFO L193 MainTranslator]: Completed translation [2018-10-25 01:21:24,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24 WrapperNode [2018-10-25 01:21:24,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 01:21:24,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 01:21:24,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 01:21:24,744 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 01:21:24,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:24,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:24,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 01:21:24,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 01:21:24,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 01:21:24,976 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 01:21:24,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:24,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:25,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:25,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:25,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:25,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:25,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (1/1) ... [2018-10-25 01:21:25,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 01:21:25,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 01:21:25,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 01:21:25,106 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 01:21:25,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (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 01:21:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 01:21:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 01:21:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 01:21:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 01:21:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 01:21:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 01:21:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 01:21:25,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 01:21:28,302 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 01:21:28,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:21:28 BoogieIcfgContainer [2018-10-25 01:21:28,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 01:21:28,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 01:21:28,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 01:21:28,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 01:21:28,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 01:21:24" (1/3) ... [2018-10-25 01:21:28,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1449e2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:21:28, skipping insertion in model container [2018-10-25 01:21:28,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:21:24" (2/3) ... [2018-10-25 01:21:28,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1449e2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:21:28, skipping insertion in model container [2018-10-25 01:21:28,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:21:28" (3/3) ... [2018-10-25 01:21:28,313 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label02_true-unreach-call.c [2018-10-25 01:21:28,321 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 01:21:28,330 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 01:21:28,348 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 01:21:28,392 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 01:21:28,392 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 01:21:28,392 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 01:21:28,393 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 01:21:28,393 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 01:21:28,394 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 01:21:28,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 01:21:28,394 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 01:21:28,423 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-10-25 01:21:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-25 01:21:28,433 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:21:28,434 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] [2018-10-25 01:21:28,437 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:21:28,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:21:28,443 INFO L82 PathProgramCache]: Analyzing trace with hash 417311892, now seen corresponding path program 1 times [2018-10-25 01:21:28,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:21:28,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:21:28,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:21:28,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:21:28,492 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:21:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:21:28,949 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 01:21:28,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:21:28,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 01:21:28,952 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:21:28,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 01:21:28,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 01:21:28,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 01:21:28,983 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-10-25 01:21:31,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:21:31,120 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-10-25 01:21:31,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 01:21:31,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-10-25 01:21:31,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:21:31,147 INFO L225 Difference]: With dead ends: 574 [2018-10-25 01:21:31,147 INFO L226 Difference]: Without dead ends: 356 [2018-10-25 01:21:31,161 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 01:21:31,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-10-25 01:21:31,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-10-25 01:21:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-10-25 01:21:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-10-25 01:21:31,242 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 66 [2018-10-25 01:21:31,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:21:31,242 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-10-25 01:21:31,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 01:21:31,243 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-10-25 01:21:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-25 01:21:31,252 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:21:31,253 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-25 01:21:31,253 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:21:31,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:21:31,254 INFO L82 PathProgramCache]: Analyzing trace with hash 318918200, now seen corresponding path program 1 times [2018-10-25 01:21:31,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:21:31,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:21:31,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:21:31,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:21:31,255 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:21:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:21:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:21:31,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:21:31,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 01:21:31,701 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:21:31,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 01:21:31,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 01:21:31,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:21:31,704 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 4 states. [2018-10-25 01:21:33,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:21:33,704 INFO L93 Difference]: Finished difference Result 1282 states and 2328 transitions. [2018-10-25 01:21:33,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 01:21:33,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2018-10-25 01:21:33,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:21:33,724 INFO L225 Difference]: With dead ends: 1282 [2018-10-25 01:21:33,724 INFO L226 Difference]: Without dead ends: 932 [2018-10-25 01:21:33,729 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:21:33,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-10-25 01:21:33,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2018-10-25 01:21:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-10-25 01:21:33,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1469 transitions. [2018-10-25 01:21:33,798 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1469 transitions. Word has length 186 [2018-10-25 01:21:33,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:21:33,800 INFO L481 AbstractCegarLoop]: Abstraction has 932 states and 1469 transitions. [2018-10-25 01:21:33,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 01:21:33,800 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1469 transitions. [2018-10-25 01:21:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-25 01:21:33,819 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:21:33,819 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-25 01:21:33,820 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:21:33,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:21:33,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1715361491, now seen corresponding path program 1 times [2018-10-25 01:21:33,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:21:33,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:21:33,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:21:33,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:21:33,823 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:21:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:21:34,186 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 01:21:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:21:34,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:21:34,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 01:21:34,420 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:21:34,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 01:21:34,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 01:21:34,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 01:21:34,422 INFO L87 Difference]: Start difference. First operand 932 states and 1469 transitions. Second operand 6 states. [2018-10-25 01:21:38,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:21:38,713 INFO L93 Difference]: Finished difference Result 2162 states and 3509 transitions. [2018-10-25 01:21:38,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 01:21:38,714 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2018-10-25 01:21:38,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:21:38,728 INFO L225 Difference]: With dead ends: 2162 [2018-10-25 01:21:38,728 INFO L226 Difference]: Without dead ends: 1236 [2018-10-25 01:21:38,737 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 01:21:38,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2018-10-25 01:21:38,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1216. [2018-10-25 01:21:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2018-10-25 01:21:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1766 transitions. [2018-10-25 01:21:38,807 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1766 transitions. Word has length 193 [2018-10-25 01:21:38,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:21:38,808 INFO L481 AbstractCegarLoop]: Abstraction has 1216 states and 1766 transitions. [2018-10-25 01:21:38,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 01:21:38,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1766 transitions. [2018-10-25 01:21:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-25 01:21:38,816 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:21:38,816 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 3, 3, 3, 3, 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] [2018-10-25 01:21:38,817 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:21:38,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:21:38,817 INFO L82 PathProgramCache]: Analyzing trace with hash 475531563, now seen corresponding path program 1 times [2018-10-25 01:21:38,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:21:38,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:21:38,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:21:38,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:21:38,819 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:21:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:21:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 118 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 01:21:39,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:21:39,098 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:21:39,099 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 264 with the following transitions: [2018-10-25 01:21:39,102 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [494], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-25 01:21:39,163 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:21:39,164 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:21:39,725 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 01:21:39,728 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-25 01:21:39,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:21:39,769 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 01:21:40,456 INFO L232 lantSequenceWeakener]: Weakened 254 states. On average, predicates are now at 73.54% of their original sizes. [2018-10-25 01:21:40,457 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 01:21:40,742 INFO L413 sIntCurrentIteration]: We have 262 unified AI predicates [2018-10-25 01:21:40,742 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 01:21:40,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 01:21:40,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 01:21:40,744 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:21:40,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 01:21:40,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 01:21:40,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 01:21:40,746 INFO L87 Difference]: Start difference. First operand 1216 states and 1766 transitions. Second operand 6 states. [2018-10-25 01:22:22,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:22:22,148 INFO L93 Difference]: Finished difference Result 2572 states and 3765 transitions. [2018-10-25 01:22:22,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 01:22:22,148 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 263 [2018-10-25 01:22:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:22:22,156 INFO L225 Difference]: With dead ends: 2572 [2018-10-25 01:22:22,156 INFO L226 Difference]: Without dead ends: 1362 [2018-10-25 01:22:22,161 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 263 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 01:22:22,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2018-10-25 01:22:22,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1360. [2018-10-25 01:22:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1360 states. [2018-10-25 01:22:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 1918 transitions. [2018-10-25 01:22:22,198 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 1918 transitions. Word has length 263 [2018-10-25 01:22:22,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:22:22,199 INFO L481 AbstractCegarLoop]: Abstraction has 1360 states and 1918 transitions. [2018-10-25 01:22:22,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 01:22:22,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1918 transitions. [2018-10-25 01:22:22,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-10-25 01:22:22,206 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:22:22,207 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:22:22,207 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:22:22,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:22:22,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1437912543, now seen corresponding path program 1 times [2018-10-25 01:22:22,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:22:22,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:22:22,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:22:22,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:22:22,209 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:22:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:22:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:22:22,785 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:22:22,785 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:22:22,786 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 274 with the following transitions: [2018-10-25 01:22:22,786 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-25 01:22:22,795 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:22:22,796 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:22:23,083 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 01:22:23,083 INFO L272 AbstractInterpreter]: Visited 136 different actions 270 times. Merged at 7 different actions 10 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-10-25 01:22:23,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:22:23,122 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 01:22:23,122 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:22:23,122 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 01:22:23,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:22:23,281 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 01:22:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:22:23,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 01:22:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:22:23,797 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 01:22:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:22:24,315 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 01:22:24,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-25 01:22:24,316 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 01:22:24,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 01:22:24,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 01:22:24,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-10-25 01:22:24,318 INFO L87 Difference]: Start difference. First operand 1360 states and 1918 transitions. Second operand 9 states. [2018-10-25 01:22:28,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:22:28,753 INFO L93 Difference]: Finished difference Result 4356 states and 7058 transitions. [2018-10-25 01:22:28,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-25 01:22:28,754 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 273 [2018-10-25 01:22:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:22:28,762 INFO L225 Difference]: With dead ends: 4356 [2018-10-25 01:22:28,763 INFO L226 Difference]: Without dead ends: 1251 [2018-10-25 01:22:28,820 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 549 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-10-25 01:22:28,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2018-10-25 01:22:28,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1226. [2018-10-25 01:22:28,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1226 states. [2018-10-25 01:22:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1488 transitions. [2018-10-25 01:22:28,866 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1488 transitions. Word has length 273 [2018-10-25 01:22:28,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:22:28,866 INFO L481 AbstractCegarLoop]: Abstraction has 1226 states and 1488 transitions. [2018-10-25 01:22:28,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 01:22:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1488 transitions. [2018-10-25 01:22:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-10-25 01:22:28,875 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:22:28,876 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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, 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] [2018-10-25 01:22:28,876 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:22:28,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:22:28,876 INFO L82 PathProgramCache]: Analyzing trace with hash 722645095, now seen corresponding path program 1 times [2018-10-25 01:22:28,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:22:28,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:22:28,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:22:28,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:22:28,878 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:22:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:22:29,209 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 01:22:29,721 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 119 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-25 01:22:29,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:22:29,722 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:22:29,722 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-10-25 01:22:29,723 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-25 01:22:29,739 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:22:29,739 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:22:30,443 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 01:22:30,443 INFO L272 AbstractInterpreter]: Visited 135 different actions 264 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-25 01:22:30,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:22:30,471 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 01:22:31,347 INFO L232 lantSequenceWeakener]: Weakened 306 states. On average, predicates are now at 73.51% of their original sizes. [2018-10-25 01:22:31,347 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 01:22:32,026 INFO L413 sIntCurrentIteration]: We have 308 unified AI predicates [2018-10-25 01:22:32,026 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 01:22:32,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 01:22:32,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-25 01:22:32,028 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:22:32,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 01:22:32,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 01:22:32,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-25 01:22:32,029 INFO L87 Difference]: Start difference. First operand 1226 states and 1488 transitions. Second operand 10 states. [2018-10-25 01:23:39,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:23:39,512 INFO L93 Difference]: Finished difference Result 2402 states and 3009 transitions. [2018-10-25 01:23:39,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-25 01:23:39,512 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 309 [2018-10-25 01:23:39,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:23:39,519 INFO L225 Difference]: With dead ends: 2402 [2018-10-25 01:23:39,519 INFO L226 Difference]: Without dead ends: 1326 [2018-10-25 01:23:39,523 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 319 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-10-25 01:23:39,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2018-10-25 01:23:39,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1275. [2018-10-25 01:23:39,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2018-10-25 01:23:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1513 transitions. [2018-10-25 01:23:39,558 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1513 transitions. Word has length 309 [2018-10-25 01:23:39,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:23:39,559 INFO L481 AbstractCegarLoop]: Abstraction has 1275 states and 1513 transitions. [2018-10-25 01:23:39,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 01:23:39,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1513 transitions. [2018-10-25 01:23:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-10-25 01:23:39,567 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:23:39,568 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2018-10-25 01:23:39,568 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:23:39,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:23:39,569 INFO L82 PathProgramCache]: Analyzing trace with hash -920947436, now seen corresponding path program 1 times [2018-10-25 01:23:39,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:23:39,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:23:39,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:23:39,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:23:39,570 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:23:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:23:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 367 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-25 01:23:39,873 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:23:39,873 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:23:39,874 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 383 with the following transitions: [2018-10-25 01:23:39,874 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-25 01:23:39,877 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:23:39,878 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:23:40,296 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 01:23:40,296 INFO L272 AbstractInterpreter]: Visited 137 different actions 412 times. Merged at 8 different actions 25 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-10-25 01:23:40,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:23:40,301 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 01:23:40,301 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:23:40,301 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 01:23:40,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:23:40,427 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 01:23:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:23:40,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 01:23:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 367 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-25 01:23:40,754 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 01:23:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 367 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-25 01:23:41,809 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 01:23:41,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2018-10-25 01:23:41,810 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 01:23:41,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 01:23:41,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 01:23:41,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-25 01:23:41,812 INFO L87 Difference]: Start difference. First operand 1275 states and 1513 transitions. Second operand 6 states. [2018-10-25 01:23:44,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:23:44,155 INFO L93 Difference]: Finished difference Result 3455 states and 4243 transitions. [2018-10-25 01:23:44,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-25 01:23:44,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 382 [2018-10-25 01:23:44,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:23:44,166 INFO L225 Difference]: With dead ends: 3455 [2018-10-25 01:23:44,166 INFO L226 Difference]: Without dead ends: 2330 [2018-10-25 01:23:44,168 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 765 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-10-25 01:23:44,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2018-10-25 01:23:44,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 2183. [2018-10-25 01:23:44,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2183 states. [2018-10-25 01:23:44,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 2577 transitions. [2018-10-25 01:23:44,225 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 2577 transitions. Word has length 382 [2018-10-25 01:23:44,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:23:44,225 INFO L481 AbstractCegarLoop]: Abstraction has 2183 states and 2577 transitions. [2018-10-25 01:23:44,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 01:23:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2577 transitions. [2018-10-25 01:23:44,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-10-25 01:23:44,237 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:23:44,237 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-10-25 01:23:44,238 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:23:44,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:23:44,238 INFO L82 PathProgramCache]: Analyzing trace with hash 2135334111, now seen corresponding path program 1 times [2018-10-25 01:23:44,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:23:44,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:23:44,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:23:44,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:23:44,239 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:23:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:23:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-10-25 01:23:44,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:23:44,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 01:23:44,579 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:23:44,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 01:23:44,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 01:23:44,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:23:44,580 INFO L87 Difference]: Start difference. First operand 2183 states and 2577 transitions. Second operand 4 states. [2018-10-25 01:23:45,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:23:45,836 INFO L93 Difference]: Finished difference Result 4948 states and 6013 transitions. [2018-10-25 01:23:45,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 01:23:45,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 395 [2018-10-25 01:23:45,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:23:45,842 INFO L225 Difference]: With dead ends: 4948 [2018-10-25 01:23:45,842 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 01:23:45,850 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:23:45,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 01:23:45,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 01:23:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 01:23:45,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 01:23:45,852 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 395 [2018-10-25 01:23:45,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:23:45,855 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 01:23:45,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 01:23:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 01:23:45,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 01:23:45,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 01:23:46,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 01:23:46,457 WARN L179 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 15 [2018-10-25 01:23:47,090 WARN L179 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 27 [2018-10-25 01:23:47,711 WARN L179 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 49 [2018-10-25 01:23:47,979 WARN L179 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 44 [2018-10-25 01:23:48,253 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2018-10-25 01:23:48,256 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 01:23:48,256 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-10-25 01:23:48,256 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 01:23:48,256 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-25 01:23:48,256 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,256 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,257 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,257 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,257 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,257 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,257 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-25 01:23:48,257 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-25 01:23:48,257 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-25 01:23:48,257 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-25 01:23:48,257 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-25 01:23:48,257 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-25 01:23:48,258 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,259 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,260 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,261 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,261 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,261 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-25 01:23:48,261 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-25 01:23:48,261 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-25 01:23:48,261 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-25 01:23:48,261 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-25 01:23:48,261 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-25 01:23:48,261 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-25 01:23:48,261 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-25 01:23:48,262 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-25 01:23:48,262 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-25 01:23:48,262 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-25 01:23:48,262 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-25 01:23:48,262 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-25 01:23:48,262 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,262 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,262 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,262 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,263 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,263 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-25 01:23:48,263 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-25 01:23:48,263 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-25 01:23:48,263 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-25 01:23:48,263 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-25 01:23:48,263 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2018-10-25 01:23:48,263 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-25 01:23:48,263 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-25 01:23:48,264 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,265 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-25 01:23:48,266 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,267 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-25 01:23:48,268 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse7 (= |old(~a19~0)| ~a19~0)) (.cse5 (= |old(~a10~0)| ~a10~0))) (let ((.cse3 (= 0 |old(~a10~0)|)) (.cse1 (= 1 |old(~a10~0)|)) (.cse4 (and .cse7 .cse5)) (.cse2 (= 6 |old(~a19~0)|)) (.cse0 (and .cse7 .cse5 .cse6))) (and (or .cse0 .cse1 (< 0 (+ |old(~a1~0)| 551894))) (or .cse2 .cse3 .cse0) (or .cse3 .cse1 .cse4) (or (and (= ~a19~0 9) .cse5 .cse6) (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (= |calculate_output_#in~input| 0))) (or (< 8 |old(~a19~0)|) .cse4 .cse2) (or (< 218 |old(~a1~0)|) .cse2 .cse0)))) [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-25 01:23:48,269 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,270 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-25 01:23:48,271 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-25 01:23:48,272 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-25 01:23:48,273 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-25 01:23:48,273 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-25 01:23:48,273 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-25 01:23:48,273 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 01:23:48,273 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-10-25 01:23:48,273 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 01:23:48,273 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 01:23:48,273 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a19~0 9) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-10-25 01:23:48,273 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-10-25 01:23:48,273 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 ~a10~0))) (.cse1 (not (= ~a10~0 1))) (.cse2 (not (= ~a19~0 6)))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (and .cse2 (<= ~a19~0 8)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and .cse2 .cse0) (not (= 14 ~a4~0)) (and (not (= main_~input~0 0)) (= ~a19~0 9)) (and (<= (+ ~a1~0 551894) 0) .cse1) (and (<= ~a1~0 218) .cse2))) [2018-10-25 01:23:48,273 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-10-25 01:23:48,274 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-25 01:23:48,274 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-25 01:23:48,274 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= 0 ~a10~0))) (.cse1 (not (= ~a10~0 1))) (.cse2 (not (= ~a19~0 6)))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (and .cse2 (<= ~a19~0 8)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and .cse2 .cse0) (= ~a19~0 9) (not (= 14 ~a4~0)) (and (<= (+ ~a1~0 551894) 0) .cse1) (and (<= ~a1~0 218) .cse2))) [2018-10-25 01:23:48,274 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-10-25 01:23:48,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 01:23:48 BoogieIcfgContainer [2018-10-25 01:23:48,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 01:23:48,287 INFO L168 Benchmark]: Toolchain (without parser) took 144217.39 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-25 01:23:48,288 INFO L168 Benchmark]: CDTParser took 0.22 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 01:23:48,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.95 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-25 01:23:48,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 231.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -829.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-25 01:23:48,290 INFO L168 Benchmark]: Boogie Preprocessor took 129.92 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 01:23:48,291 INFO L168 Benchmark]: RCFGBuilder took 3198.16 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: 129.2 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. [2018-10-25 01:23:48,292 INFO L168 Benchmark]: TraceAbstraction took 139980.82 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -351.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-25 01:23:48,297 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 670.95 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 231.24 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -829.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.92 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 3198.16 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: 129.2 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 139980.82 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -351.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 == \old(a1)) || (!(0 == a10) && !(a10 == 1))) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || (!(a19 == 6) && !(0 == a10))) || a19 == 9) || !(14 == a4)) || (a1 + 551894 <= 0 && !(a10 == 1))) || (a1 <= 218 && !(a19 == 6)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 139.8s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 125.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 971 SDtfs, 4151 SDslu, 995 SDs, 0 SdLazy, 9391 SolverSat, 1527 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 101.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1952 GetRequests, 1882 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2183occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.997717019822283 AbsIntWeakeningRatio, 0.0912280701754386 AbsIntAvgWeakeningVarsNumRemoved, 7.170175438596491 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 245 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 117 PreInvPairs, 225 NumberOfFragments, 311 HoareAnnotationTreeSize, 117 FomulaSimplifications, 5830 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2874 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 2722 NumberOfCodeBlocks, 2722 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3365 ConstructedInterpolants, 0 QuantifiedInterpolants, 2563317 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1044 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 2793/2916 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...