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/Problem19_label12_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 02:09:29,091 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 02:09:29,093 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 02:09:29,113 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 02:09:29,114 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 02:09:29,116 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 02:09:29,119 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 02:09:29,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 02:09:29,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 02:09:29,124 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 02:09:29,125 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 02:09:29,125 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 02:09:29,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 02:09:29,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 02:09:29,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 02:09:29,129 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 02:09:29,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 02:09:29,132 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 02:09:29,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 02:09:29,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 02:09:29,137 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 02:09:29,138 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 02:09:29,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 02:09:29,148 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-25 02:09:29,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-25 02:09:29,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-25 02:09:29,150 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-25 02:09:29,150 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 02:09:29,170 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 02:09:29,171 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 02:09:29,172 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 02:09:29,172 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 02:09:29,172 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 02:09:29,172 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 02:09:29,172 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 02:09:29,173 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 02:09:29,175 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 02:09:29,175 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 02:09:29,176 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 02:09:29,176 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 02:09:29,176 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 02:09:29,176 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 02:09:29,177 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 02:09:29,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 02:09:29,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 02:09:29,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 02:09:29,179 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 02:09:29,179 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 02:09:29,179 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 02:09:29,179 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 02:09:29,179 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 02:09:29,180 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 02:09:29,180 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 02:09:29,180 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 02:09:29,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 02:09:29,180 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 02:09:29,180 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 02:09:29,181 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 02:09:29,182 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 02:09:29,182 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 02:09:29,182 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 02:09:29,182 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 02:09:29,182 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 02:09:29,182 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 02:09:29,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 02:09:29,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 02:09:29,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 02:09:29,269 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 02:09:29,270 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 02:09:29,271 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c [2018-10-25 02:09:29,330 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/022918e94/849d4d194a574bcb89bf968ab05f5a28/FLAG54ddeb0b6 [2018-10-25 02:09:30,195 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 02:09:30,196 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c [2018-10-25 02:09:30,241 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/022918e94/849d4d194a574bcb89bf968ab05f5a28/FLAG54ddeb0b6 [2018-10-25 02:09:30,262 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/022918e94/849d4d194a574bcb89bf968ab05f5a28 [2018-10-25 02:09:30,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 02:09:30,279 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 02:09:30,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 02:09:30,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 02:09:30,289 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 02:09:30,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:09:30" (1/1) ... [2018-10-25 02:09:30,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f3d0e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:30, skipping insertion in model container [2018-10-25 02:09:30,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:09:30" (1/1) ... [2018-10-25 02:09:30,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 02:09:30,569 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 02:09:32,580 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 02:09:32,585 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 02:09:33,782 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 02:09:33,835 INFO L193 MainTranslator]: Completed translation [2018-10-25 02:09:33,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33 WrapperNode [2018-10-25 02:09:33,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 02:09:33,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 02:09:33,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 02:09:33,837 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 02:09:33,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (1/1) ... [2018-10-25 02:09:33,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (1/1) ... [2018-10-25 02:09:34,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 02:09:34,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 02:09:34,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 02:09:34,581 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 02:09:34,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (1/1) ... [2018-10-25 02:09:34,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (1/1) ... [2018-10-25 02:09:34,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (1/1) ... [2018-10-25 02:09:34,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (1/1) ... [2018-10-25 02:09:34,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (1/1) ... [2018-10-25 02:09:34,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (1/1) ... [2018-10-25 02:09:34,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (1/1) ... [2018-10-25 02:09:35,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 02:09:35,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 02:09:35,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 02:09:35,072 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 02:09:35,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (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 02:09:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 02:09:35,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 02:09:35,143 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-25 02:09:35,144 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-25 02:09:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-25 02:09:35,144 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-25 02:09:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-25 02:09:35,144 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-25 02:09:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-25 02:09:35,145 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-25 02:09:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-25 02:09:35,145 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-25 02:09:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 02:09:35,146 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 02:09:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 02:09:35,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 02:09:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 02:09:35,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 02:09:52,312 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 02:09:52,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:09:52 BoogieIcfgContainer [2018-10-25 02:09:52,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 02:09:52,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 02:09:52,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 02:09:52,317 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 02:09:52,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 02:09:30" (1/3) ... [2018-10-25 02:09:52,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2099fb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:09:52, skipping insertion in model container [2018-10-25 02:09:52,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:09:33" (2/3) ... [2018-10-25 02:09:52,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2099fb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:09:52, skipping insertion in model container [2018-10-25 02:09:52,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:09:52" (3/3) ... [2018-10-25 02:09:52,321 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label12_true-unreach-call.c [2018-10-25 02:09:52,331 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 02:09:52,342 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 02:09:52,360 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 02:09:52,413 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 02:09:52,414 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 02:09:52,414 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 02:09:52,414 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 02:09:52,414 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 02:09:52,414 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 02:09:52,414 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 02:09:52,415 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 02:09:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-25 02:09:52,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-25 02:09:52,493 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:09:52,494 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] [2018-10-25 02:09:52,496 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:09:52,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:09:52,502 INFO L82 PathProgramCache]: Analyzing trace with hash -21535606, now seen corresponding path program 1 times [2018-10-25 02:09:52,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:09:52,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:09:52,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:09:52,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:09:52,557 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:09:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:09:53,009 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 02:09:53,138 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 02:09:53,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:09:53,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 02:09:53,142 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:09:53,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 02:09:53,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 02:09:53,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 02:09:53,168 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-25 02:10:14,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:10:14,481 INFO L93 Difference]: Finished difference Result 5034 states and 9499 transitions. [2018-10-25 02:10:14,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 02:10:14,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-10-25 02:10:14,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:10:14,529 INFO L225 Difference]: With dead ends: 5034 [2018-10-25 02:10:14,530 INFO L226 Difference]: Without dead ends: 3254 [2018-10-25 02:10:14,542 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 02:10:14,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2018-10-25 02:10:14,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3207. [2018-10-25 02:10:14,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-10-25 02:10:14,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 5994 transitions. [2018-10-25 02:10:14,776 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 5994 transitions. Word has length 51 [2018-10-25 02:10:14,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:10:14,777 INFO L481 AbstractCegarLoop]: Abstraction has 3207 states and 5994 transitions. [2018-10-25 02:10:14,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 02:10:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 5994 transitions. [2018-10-25 02:10:14,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-25 02:10:14,789 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:10:14,792 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:10:14,792 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:10:14,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:10:14,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1031778886, now seen corresponding path program 1 times [2018-10-25 02:10:14,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:10:14,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:10:14,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:10:14,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:10:14,795 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:10:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:10:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:10:15,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:10:15,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 02:10:15,416 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:10:15,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:10:15,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:10:15,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:10:15,419 INFO L87 Difference]: Start difference. First operand 3207 states and 5994 transitions. Second operand 6 states. [2018-10-25 02:10:44,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:10:44,280 INFO L93 Difference]: Finished difference Result 9590 states and 17980 transitions. [2018-10-25 02:10:44,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-25 02:10:44,281 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-10-25 02:10:44,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:10:44,317 INFO L225 Difference]: With dead ends: 9590 [2018-10-25 02:10:44,317 INFO L226 Difference]: Without dead ends: 6389 [2018-10-25 02:10:44,328 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-25 02:10:44,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6389 states. [2018-10-25 02:10:44,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6389 to 6281. [2018-10-25 02:10:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6281 states. [2018-10-25 02:10:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6281 states to 6281 states and 11310 transitions. [2018-10-25 02:10:44,509 INFO L78 Accepts]: Start accepts. Automaton has 6281 states and 11310 transitions. Word has length 124 [2018-10-25 02:10:44,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:10:44,510 INFO L481 AbstractCegarLoop]: Abstraction has 6281 states and 11310 transitions. [2018-10-25 02:10:44,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 02:10:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 6281 states and 11310 transitions. [2018-10-25 02:10:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-25 02:10:44,514 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:10:44,514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:10:44,515 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:10:44,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:10:44,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1387877847, now seen corresponding path program 1 times [2018-10-25 02:10:44,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:10:44,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:10:44,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:10:44,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:10:44,516 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:10:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:10:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 02:10:44,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 02:10:44,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 02:10:44,739 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:10:44,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 02:10:44,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 02:10:44,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-25 02:10:44,743 INFO L87 Difference]: Start difference. First operand 6281 states and 11310 transitions. Second operand 5 states. [2018-10-25 02:11:18,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 02:11:18,756 INFO L93 Difference]: Finished difference Result 18963 states and 34370 transitions. [2018-10-25 02:11:18,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 02:11:18,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2018-10-25 02:11:18,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 02:11:18,823 INFO L225 Difference]: With dead ends: 18963 [2018-10-25 02:11:18,823 INFO L226 Difference]: Without dead ends: 12688 [2018-10-25 02:11:18,848 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 02:11:18,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12688 states. [2018-10-25 02:11:19,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12688 to 12416. [2018-10-25 02:11:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12416 states. [2018-10-25 02:11:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12416 states to 12416 states and 18931 transitions. [2018-10-25 02:11:19,158 INFO L78 Accepts]: Start accepts. Automaton has 12416 states and 18931 transitions. Word has length 138 [2018-10-25 02:11:19,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 02:11:19,159 INFO L481 AbstractCegarLoop]: Abstraction has 12416 states and 18931 transitions. [2018-10-25 02:11:19,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 02:11:19,159 INFO L276 IsEmpty]: Start isEmpty. Operand 12416 states and 18931 transitions. [2018-10-25 02:11:19,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-25 02:11:19,163 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 02:11:19,163 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, 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] [2018-10-25 02:11:19,163 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 02:11:19,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:11:19,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1906021503, now seen corresponding path program 1 times [2018-10-25 02:11:19,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 02:11:19,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:11:19,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 02:11:19,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 02:11:19,165 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 02:11:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 02:11:19,647 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 88 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 02:11:19,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 02:11:19,648 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 02:11:19,649 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-10-25 02:11:19,651 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5534], [5536], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5822], [5823], [5827], [5838], [5841], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-25 02:11:19,712 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 02:11:19,712 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 02:11:20,211 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 02:11:20,215 INFO L272 AbstractInterpreter]: Visited 95 different actions 95 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-25 02:11:20,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 02:11:20,227 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 02:11:20,826 INFO L232 lantSequenceWeakener]: Weakened 219 states. On average, predicates are now at 75.59% of their original sizes. [2018-10-25 02:11:20,827 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 02:11:21,068 INFO L413 sIntCurrentIteration]: We have 227 unified AI predicates [2018-10-25 02:11:21,072 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 02:11:21,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 02:11:21,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 02:11:21,073 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 02:11:21,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 02:11:21,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 02:11:21,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 02:11:21,074 INFO L87 Difference]: Start difference. First operand 12416 states and 18931 transitions. Second operand 6 states. [2018-10-25 02:13:23,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 02:13:23,108 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:93) 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: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) [2018-10-25 02:13:23,113 INFO L168 Benchmark]: Toolchain (without parser) took 232835.00 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-10-25 02:13:23,114 INFO L168 Benchmark]: CDTParser took 1.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 02:13:23,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3551.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 985.9 MB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2018-10-25 02:13:23,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 743.39 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 842.5 MB). Free memory was 985.9 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-25 02:13:23,116 INFO L168 Benchmark]: Boogie Preprocessor took 490.75 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2018-10-25 02:13:23,117 INFO L168 Benchmark]: RCFGBuilder took 17241.45 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 169.9 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 502.1 MB). Peak memory consumption was 672.0 MB. Max. memory is 7.1 GB. [2018-10-25 02:13:23,118 INFO L168 Benchmark]: TraceAbstraction took 210797.97 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -800.8 MB). Peak memory consumption was 819.8 MB. Max. memory is 7.1 GB. [2018-10-25 02:13:23,124 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3551.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 985.9 MB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 743.39 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 842.5 MB). Free memory was 985.9 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 490.75 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17241.45 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 169.9 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 502.1 MB). Peak memory consumption was 672.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210797.97 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.6 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -800.8 MB). Peak memory consumption was 819.8 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...