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/Problem15_label21_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 01:48:06,530 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 01:48:06,532 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 01:48:06,547 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 01:48:06,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 01:48:06,548 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 01:48:06,551 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 01:48:06,557 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 01:48:06,558 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 01:48:06,559 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 01:48:06,560 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 01:48:06,563 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 01:48:06,564 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 01:48:06,565 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 01:48:06,566 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 01:48:06,569 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 01:48:06,570 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 01:48:06,572 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 01:48:06,574 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 01:48:06,576 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 01:48:06,577 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 01:48:06,578 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 01:48:06,581 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 01:48:06,587 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-25 01:48:06,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-25 01:48:06,589 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-25 01:48:06,589 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-25 01:48:06,590 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 01:48:06,605 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 01:48:06,605 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 01:48:06,606 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 01:48:06,606 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 01:48:06,606 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 01:48:06,607 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 01:48:06,607 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 01:48:06,607 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 01:48:06,607 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 01:48:06,607 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 01:48:06,608 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 01:48:06,608 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 01:48:06,608 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 01:48:06,608 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 01:48:06,609 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 01:48:06,609 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 01:48:06,609 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 01:48:06,609 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 01:48:06,610 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 01:48:06,610 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 01:48:06,610 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 01:48:06,610 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 01:48:06,610 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 01:48:06,611 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 01:48:06,611 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 01:48:06,611 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 01:48:06,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 01:48:06,611 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 01:48:06,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 01:48:06,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 01:48:06,612 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 01:48:06,612 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 01:48:06,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 01:48:06,613 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 01:48:06,613 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 01:48:06,613 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 01:48:06,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 01:48:06,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 01:48:06,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 01:48:06,683 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 01:48:06,684 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 01:48:06,684 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label21_true-unreach-call.c [2018-10-25 01:48:06,741 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1069b633/57ce888ab45f4ea597cf644454100638/FLAG9df7101d4 [2018-10-25 01:48:07,398 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 01:48:07,400 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label21_true-unreach-call.c [2018-10-25 01:48:07,428 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1069b633/57ce888ab45f4ea597cf644454100638/FLAG9df7101d4 [2018-10-25 01:48:07,450 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1069b633/57ce888ab45f4ea597cf644454100638 [2018-10-25 01:48:07,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 01:48:07,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 01:48:07,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 01:48:07,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 01:48:07,474 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 01:48:07,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 01:48:07" (1/1) ... [2018-10-25 01:48:07,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b5a5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:07, skipping insertion in model container [2018-10-25 01:48:07,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 01:48:07" (1/1) ... [2018-10-25 01:48:07,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 01:48:07,598 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 01:48:08,456 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 01:48:08,465 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 01:48:08,788 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 01:48:08,811 INFO L193 MainTranslator]: Completed translation [2018-10-25 01:48:08,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08 WrapperNode [2018-10-25 01:48:08,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 01:48:08,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 01:48:08,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 01:48:08,813 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 01:48:08,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (1/1) ... [2018-10-25 01:48:08,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (1/1) ... [2018-10-25 01:48:09,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 01:48:09,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 01:48:09,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 01:48:09,216 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 01:48:09,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (1/1) ... [2018-10-25 01:48:09,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (1/1) ... [2018-10-25 01:48:09,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (1/1) ... [2018-10-25 01:48:09,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (1/1) ... [2018-10-25 01:48:09,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (1/1) ... [2018-10-25 01:48:09,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (1/1) ... [2018-10-25 01:48:09,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (1/1) ... [2018-10-25 01:48:09,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 01:48:09,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 01:48:09,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 01:48:09,423 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 01:48:09,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 01:48:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 01:48:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 01:48:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-25 01:48:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-25 01:48:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 01:48:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 01:48:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 01:48:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 01:48:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 01:48:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 01:48:16,776 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 01:48:16,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:48:16 BoogieIcfgContainer [2018-10-25 01:48:16,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 01:48:16,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 01:48:16,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 01:48:16,782 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 01:48:16,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 01:48:07" (1/3) ... [2018-10-25 01:48:16,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dae162d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:48:16, skipping insertion in model container [2018-10-25 01:48:16,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 01:48:08" (2/3) ... [2018-10-25 01:48:16,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dae162d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:48:16, skipping insertion in model container [2018-10-25 01:48:16,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:48:16" (3/3) ... [2018-10-25 01:48:16,787 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label21_true-unreach-call.c [2018-10-25 01:48:16,799 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 01:48:16,814 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 01:48:16,833 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 01:48:16,879 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 01:48:16,879 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 01:48:16,879 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 01:48:16,880 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 01:48:16,880 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 01:48:16,880 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 01:48:16,880 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 01:48:16,880 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 01:48:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-10-25 01:48:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-25 01:48:16,924 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:48:16,926 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:48:16,928 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:48:16,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:48:16,935 INFO L82 PathProgramCache]: Analyzing trace with hash -191617687, now seen corresponding path program 1 times [2018-10-25 01:48:16,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:48:17,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:48:17,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:48:17,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:48:17,001 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:48:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:48:17,544 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-10-25 01:48:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:48:17,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:48:17,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 01:48:17,573 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:48:17,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 01:48:17,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 01:48:17,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:48:17,599 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-10-25 01:48:25,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:48:25,348 INFO L93 Difference]: Finished difference Result 1550 states and 2835 transitions. [2018-10-25 01:48:25,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 01:48:25,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-10-25 01:48:25,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:48:25,379 INFO L225 Difference]: With dead ends: 1550 [2018-10-25 01:48:25,379 INFO L226 Difference]: Without dead ends: 1106 [2018-10-25 01:48:25,393 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:48:25,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2018-10-25 01:48:25,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 762. [2018-10-25 01:48:25,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2018-10-25 01:48:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1263 transitions. [2018-10-25 01:48:25,524 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1263 transitions. Word has length 67 [2018-10-25 01:48:25,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:48:25,525 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 1263 transitions. [2018-10-25 01:48:25,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 01:48:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1263 transitions. [2018-10-25 01:48:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-25 01:48:25,534 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:48:25,535 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:48:25,535 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:48:25,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:48:25,536 INFO L82 PathProgramCache]: Analyzing trace with hash 2147224692, now seen corresponding path program 1 times [2018-10-25 01:48:25,536 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:48:25,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:48:25,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:48:25,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:48:25,537 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:48:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:48:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:48:25,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:48:25,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 01:48:25,832 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:48:25,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 01:48:25,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 01:48:25,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-25 01:48:25,835 INFO L87 Difference]: Start difference. First operand 762 states and 1263 transitions. Second operand 5 states. [2018-10-25 01:48:36,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:48:36,773 INFO L93 Difference]: Finished difference Result 2245 states and 3758 transitions. [2018-10-25 01:48:36,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 01:48:36,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-10-25 01:48:36,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:48:36,787 INFO L225 Difference]: With dead ends: 2245 [2018-10-25 01:48:36,787 INFO L226 Difference]: Without dead ends: 1489 [2018-10-25 01:48:36,792 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 01:48:36,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2018-10-25 01:48:36,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1457. [2018-10-25 01:48:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1457 states. [2018-10-25 01:48:36,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2152 transitions. [2018-10-25 01:48:36,873 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2152 transitions. Word has length 140 [2018-10-25 01:48:36,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:48:36,874 INFO L481 AbstractCegarLoop]: Abstraction has 1457 states and 2152 transitions. [2018-10-25 01:48:36,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 01:48:36,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2152 transitions. [2018-10-25 01:48:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-25 01:48:36,883 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:48:36,883 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-25 01:48:36,884 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:48:36,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:48:36,884 INFO L82 PathProgramCache]: Analyzing trace with hash 245901444, now seen corresponding path program 1 times [2018-10-25 01:48:36,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:48:36,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:48:36,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:48:36,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:48:36,889 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:48:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:48:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 01:48:37,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 01:48:37,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 01:48:37,109 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:48:37,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 01:48:37,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 01:48:37,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:48:37,111 INFO L87 Difference]: Start difference. First operand 1457 states and 2152 transitions. Second operand 4 states. [2018-10-25 01:48:45,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 01:48:45,020 INFO L93 Difference]: Finished difference Result 5392 states and 8275 transitions. [2018-10-25 01:48:45,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 01:48:45,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2018-10-25 01:48:45,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 01:48:45,055 INFO L225 Difference]: With dead ends: 5392 [2018-10-25 01:48:45,056 INFO L226 Difference]: Without dead ends: 3941 [2018-10-25 01:48:45,071 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 01:48:45,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3941 states. [2018-10-25 01:48:45,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3941 to 3939. [2018-10-25 01:48:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3939 states. [2018-10-25 01:48:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3939 states and 5427 transitions. [2018-10-25 01:48:45,190 INFO L78 Accepts]: Start accepts. Automaton has 3939 states and 5427 transitions. Word has length 148 [2018-10-25 01:48:45,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 01:48:45,191 INFO L481 AbstractCegarLoop]: Abstraction has 3939 states and 5427 transitions. [2018-10-25 01:48:45,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 01:48:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 5427 transitions. [2018-10-25 01:48:45,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-25 01:48:45,201 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 01:48:45,201 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 01:48:45,201 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 01:48:45,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:48:45,202 INFO L82 PathProgramCache]: Analyzing trace with hash -724599134, now seen corresponding path program 1 times [2018-10-25 01:48:45,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 01:48:45,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:48:45,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 01:48:45,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 01:48:45,203 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 01:48:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 01:48:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 120 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 01:48:45,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 01:48:45,599 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 01:48:45,600 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-10-25 01:48:45,602 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [509], [511], [514], [522], [530], [538], [546], [554], [562], [566], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [633], [638], [640], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-10-25 01:48:45,658 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 01:48:45,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 01:48:46,081 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 01:48:46,083 INFO L272 AbstractInterpreter]: Visited 90 different actions 90 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-25 01:48:46,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 01:48:46,126 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 01:48:46,688 INFO L232 lantSequenceWeakener]: Weakened 213 states. On average, predicates are now at 78.36% of their original sizes. [2018-10-25 01:48:46,688 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 01:48:46,935 INFO L413 sIntCurrentIteration]: We have 223 unified AI predicates [2018-10-25 01:48:46,936 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 01:48:46,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 01:48:46,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 01:48:46,937 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 01:48:46,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 01:48:46,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 01:48:46,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 01:48:46,939 INFO L87 Difference]: Start difference. First operand 3939 states and 5427 transitions. Second operand 6 states. [2018-10-25 01:49:05,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 01:49:05,034 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.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 01:49:05,039 INFO L168 Benchmark]: Toolchain (without parser) took 57575.90 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 184.4 MB. Max. memory is 7.1 GB. [2018-10-25 01:49:05,041 INFO L168 Benchmark]: CDTParser took 0.21 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 01:49:05,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1345.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-25 01:49:05,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 402.43 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -863.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2018-10-25 01:49:05,043 INFO L168 Benchmark]: Boogie Preprocessor took 207.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2018-10-25 01:49:05,044 INFO L168 Benchmark]: RCFGBuilder took 7353.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 302.0 MB). Peak memory consumption was 302.0 MB. Max. memory is 7.1 GB. [2018-10-25 01:49:05,045 INFO L168 Benchmark]: TraceAbstraction took 48260.74 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 1.0 GB). Free memory was 1.8 GB in the beginning and 3.0 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 01:49:05,051 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1345.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 402.43 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -863.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 207.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7353.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.8 GB in the end (delta: 302.0 MB). Peak memory consumption was 302.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48260.74 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 1.0 GB). Free memory was 1.8 GB in the beginning and 3.0 GB in the end (delta: -1.1 GB). There was no memory consumed. 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...