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/Problem14_label11_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:37:29,278 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:37:29,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:37:29,292 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:37:29,292 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:37:29,293 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:37:29,295 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:37:29,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:37:29,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:37:29,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:37:29,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:37:29,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:37:29,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:37:29,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:37:29,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:37:29,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:37:29,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:37:29,307 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:37:29,309 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:37:29,311 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:37:29,312 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:37:29,313 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:37:29,315 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 23:37:29,315 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 23:37:29,316 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 23:37:29,317 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 23:37:29,318 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 23:37:29,318 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 23:37:29,319 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 23:37:29,320 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 23:37:29,324 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 23:37:29,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 23:37:29,328 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 [2018-10-24 23:37:29,360 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:37:29,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:37:29,361 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:37:29,361 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:37:29,362 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:37:29,362 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:37:29,362 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:37:29,362 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:37:29,362 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:37:29,363 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:37:29,363 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:37:29,363 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:37:29,363 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:37:29,363 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:37:29,365 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:37:29,365 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:37:29,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:37:29,365 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:37:29,367 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:37:29,368 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:37:29,368 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:37:29,368 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:37:29,368 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:37:29,368 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:37:29,369 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:37:29,369 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:37:29,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:37:29,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:37:29,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:37:29,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:37:29,370 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:37:29,370 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:37:29,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:37:29,371 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:37:29,371 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:37:29,371 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:37:29,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:37:29,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:37:29,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:37:29,454 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:37:29,454 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:37:29,455 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label11_false-unreach-call_false-termination.c [2018-10-24 23:37:29,515 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/633528f21/b4181948cace4132953642aff32d0040/FLAG522f5bb0f [2018-10-24 23:37:30,182 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:37:30,183 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label11_false-unreach-call_false-termination.c [2018-10-24 23:37:30,213 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/633528f21/b4181948cace4132953642aff32d0040/FLAG522f5bb0f [2018-10-24 23:37:30,229 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/633528f21/b4181948cace4132953642aff32d0040 [2018-10-24 23:37:30,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:37:30,243 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:37:30,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:37:30,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:37:30,252 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:37:30,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:37:30" (1/1) ... [2018-10-24 23:37:30,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a8effd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:30, skipping insertion in model container [2018-10-24 23:37:30,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:37:30" (1/1) ... [2018-10-24 23:37:30,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:37:30,357 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:37:30,850 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:37:30,854 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:37:30,985 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:37:31,010 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:37:31,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31 WrapperNode [2018-10-24 23:37:31,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:37:31,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:37:31,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:37:31,012 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:37:31,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (1/1) ... [2018-10-24 23:37:31,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (1/1) ... [2018-10-24 23:37:31,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:37:31,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:37:31,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:37:31,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:37:31,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (1/1) ... [2018-10-24 23:37:31,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (1/1) ... [2018-10-24 23:37:31,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (1/1) ... [2018-10-24 23:37:31,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (1/1) ... [2018-10-24 23:37:31,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (1/1) ... [2018-10-24 23:37:31,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (1/1) ... [2018-10-24 23:37:31,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (1/1) ... [2018-10-24 23:37:31,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:37:31,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:37:31,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:37:31,348 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:37:31,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (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 [2018-10-24 23:37:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:37:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:37:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:37:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:37:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:37:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:37:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:37:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:37:34,790 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:37:34,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:37:34 BoogieIcfgContainer [2018-10-24 23:37:34,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:37:34,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:37:34,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:37:34,796 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:37:34,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:37:30" (1/3) ... [2018-10-24 23:37:34,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55525b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:37:34, skipping insertion in model container [2018-10-24 23:37:34,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:37:31" (2/3) ... [2018-10-24 23:37:34,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55525b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:37:34, skipping insertion in model container [2018-10-24 23:37:34,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:37:34" (3/3) ... [2018-10-24 23:37:34,800 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label11_false-unreach-call_false-termination.c [2018-10-24 23:37:34,809 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:37:34,818 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:37:34,836 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:37:34,875 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:37:34,876 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:37:34,876 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:37:34,876 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:37:34,876 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:37:34,876 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:37:34,877 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:37:34,877 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:37:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-10-24 23:37:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-24 23:37:34,912 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:37:34,913 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] [2018-10-24 23:37:34,915 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:37:34,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:37:34,921 INFO L82 PathProgramCache]: Analyzing trace with hash 177535516, now seen corresponding path program 1 times [2018-10-24 23:37:34,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:37:34,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:37:34,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:37:34,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:37:34,974 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:37:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:37:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:37:35,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:37:35,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 23:37:35,408 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:37:35,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 23:37:35,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 23:37:35,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:37:35,436 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-10-24 23:37:38,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:37:38,558 INFO L93 Difference]: Finished difference Result 894 states and 1611 transitions. [2018-10-24 23:37:38,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 23:37:38,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-10-24 23:37:38,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:37:38,585 INFO L225 Difference]: With dead ends: 894 [2018-10-24 23:37:38,585 INFO L226 Difference]: Without dead ends: 633 [2018-10-24 23:37:38,595 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:37:38,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-10-24 23:37:38,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2018-10-24 23:37:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-10-24 23:37:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 962 transitions. [2018-10-24 23:37:38,694 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 962 transitions. Word has length 28 [2018-10-24 23:37:38,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:37:38,694 INFO L481 AbstractCegarLoop]: Abstraction has 633 states and 962 transitions. [2018-10-24 23:37:38,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 23:37:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 962 transitions. [2018-10-24 23:37:38,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-24 23:37:38,703 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:37:38,704 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:37:38,704 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:37:38,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:37:38,704 INFO L82 PathProgramCache]: Analyzing trace with hash 578252947, now seen corresponding path program 1 times [2018-10-24 23:37:38,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:37:38,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:37:38,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:37:38,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:37:38,707 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:37:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:37:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:37:39,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:37:39,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 23:37:39,053 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:37:39,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 23:37:39,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 23:37:39,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:37:39,056 INFO L87 Difference]: Start difference. First operand 633 states and 962 transitions. Second operand 4 states. [2018-10-24 23:37:42,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:37:42,218 INFO L93 Difference]: Finished difference Result 2358 states and 3741 transitions. [2018-10-24 23:37:42,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 23:37:42,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2018-10-24 23:37:42,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:37:42,242 INFO L225 Difference]: With dead ends: 2358 [2018-10-24 23:37:42,243 INFO L226 Difference]: Without dead ends: 1731 [2018-10-24 23:37:42,250 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 [2018-10-24 23:37:42,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2018-10-24 23:37:42,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2018-10-24 23:37:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1731 states. [2018-10-24 23:37:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2519 transitions. [2018-10-24 23:37:42,356 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2519 transitions. Word has length 141 [2018-10-24 23:37:42,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:37:42,357 INFO L481 AbstractCegarLoop]: Abstraction has 1731 states and 2519 transitions. [2018-10-24 23:37:42,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 23:37:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2519 transitions. [2018-10-24 23:37:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-24 23:37:42,372 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:37:42,372 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, 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] [2018-10-24 23:37:42,373 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:37:42,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:37:42,373 INFO L82 PathProgramCache]: Analyzing trace with hash -138677585, now seen corresponding path program 1 times [2018-10-24 23:37:42,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:37:42,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:37:42,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:37:42,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:37:42,375 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:37:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:37:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-24 23:37:42,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:37:42,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 23:37:42,661 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:37:42,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 23:37:42,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 23:37:42,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:37:42,662 INFO L87 Difference]: Start difference. First operand 1731 states and 2519 transitions. Second operand 4 states. [2018-10-24 23:37:45,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:37:45,577 INFO L93 Difference]: Finished difference Result 5832 states and 9044 transitions. [2018-10-24 23:37:45,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 23:37:45,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 215 [2018-10-24 23:37:45,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:37:45,612 INFO L225 Difference]: With dead ends: 5832 [2018-10-24 23:37:45,613 INFO L226 Difference]: Without dead ends: 4107 [2018-10-24 23:37:45,629 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 [2018-10-24 23:37:45,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2018-10-24 23:37:45,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 4107. [2018-10-24 23:37:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4107 states. [2018-10-24 23:37:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4107 states to 4107 states and 5921 transitions. [2018-10-24 23:37:45,780 INFO L78 Accepts]: Start accepts. Automaton has 4107 states and 5921 transitions. Word has length 215 [2018-10-24 23:37:45,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:37:45,781 INFO L481 AbstractCegarLoop]: Abstraction has 4107 states and 5921 transitions. [2018-10-24 23:37:45,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 23:37:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 4107 states and 5921 transitions. [2018-10-24 23:37:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-24 23:37:45,789 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:37:45,790 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, 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, 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] [2018-10-24 23:37:45,790 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:37:45,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:37:45,791 INFO L82 PathProgramCache]: Analyzing trace with hash 801110427, now seen corresponding path program 1 times [2018-10-24 23:37:45,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:37:45,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:37:45,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:37:45,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:37:45,792 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:37:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:37:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:37:46,390 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:37:46,390 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:37:46,391 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-10-24 23:37:46,393 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [125], [127], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [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], [614], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-24 23:37:46,448 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:37:46,449 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:37:51,161 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:37:51,162 INFO L272 AbstractInterpreter]: Visited 118 different actions 118 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 23:37:51,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:37:51,176 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:37:55,397 INFO L232 lantSequenceWeakener]: Weakened 232 states. On average, predicates are now at 77.5% of their original sizes. [2018-10-24 23:37:55,398 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:37:55,556 INFO L413 sIntCurrentIteration]: We have 240 unified AI predicates [2018-10-24 23:37:55,556 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:37:55,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:37:55,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2018-10-24 23:37:55,558 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:37:55,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:37:55,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:37:55,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:37:55,559 INFO L87 Difference]: Start difference. First operand 4107 states and 5921 transitions. Second operand 6 states. [2018-10-24 23:38:07,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 23:38:07,966 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger: modulus not positive at java.math.BigInteger.mod(BigInteger.java:2458) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.explicit.ExplicitValueValue.modulo(ExplicitValueValue.java:154) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.explicit.ExplicitValueValue.modulo(ExplicitValueValue.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:125) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:100) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.ConditionalEvaluator.evaluate(ConditionalEvaluator.java:78) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.ConditionalEvaluator.evaluate(ConditionalEvaluator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.ConditionalEvaluator.evaluate(ConditionalEvaluator.java:78) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.ConditionalEvaluator.evaluate(ConditionalEvaluator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleAssumeStatement(NonrelationalStatementProcessor.java:363) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:160) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:142) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:128) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:362) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:353) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:125) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:305) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:369) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:537) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:369) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalTransitionWithValidState(AbsIntHoareTripleChecker.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:249) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:673) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:602) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-24 23:38:07,982 INFO L168 Benchmark]: Toolchain (without parser) took 37740.13 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 878.9 MB. Max. memory is 7.1 GB. [2018-10-24 23:38:07,984 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-10-24 23:38:07,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.21 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. [2018-10-24 23:38:07,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 229.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -828.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-24 23:38:07,987 INFO L168 Benchmark]: Boogie Preprocessor took 106.76 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-10-24 23:38:07,988 INFO L168 Benchmark]: RCFGBuilder took 3442.99 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 130.0 MB). Peak memory consumption was 130.0 MB. Max. memory is 7.1 GB. [2018-10-24 23:38:07,988 INFO L168 Benchmark]: TraceAbstraction took 33186.75 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 789.2 MB. Max. memory is 7.1 GB. [2018-10-24 23:38:07,994 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 766.21 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 229.08 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -828.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.76 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3442.99 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 130.0 MB). Peak memory consumption was 130.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33186.75 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 789.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger: modulus not positive de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger: modulus not positive: java.math.BigInteger.mod(BigInteger.java:2458) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...