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/Problem13_label06_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:34:20,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:34:20,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:34:20,585 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:34:20,586 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:34:20,587 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:34:20,588 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:34:20,590 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:34:20,592 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:34:20,593 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:34:20,594 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:34:20,594 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:34:20,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:34:20,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:34:20,597 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:34:20,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:34:20,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:34:20,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:34:20,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:34:20,605 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:34:20,606 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:34:20,607 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:34:20,610 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 23:34:20,619 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-24 23:34:20,644 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:34:20,644 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:34:20,645 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:34:20,645 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:34:20,645 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:34:20,646 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:34:20,646 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:34:20,646 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:34:20,647 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:34:20,647 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:34:20,647 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:34:20,647 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:34:20,647 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:34:20,647 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:34:20,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:34:20,648 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:34:20,650 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:34:20,650 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:34:20,650 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:34:20,650 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:34:20,650 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:34:20,651 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:34:20,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:34:20,651 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:34:20,651 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:34:20,651 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:34:20,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:34:20,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:34:20,652 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:34:20,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:34:20,653 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:34:20,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:34:20,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:34:20,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:34:20,653 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:34:20,654 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:34:20,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:34:20,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:34:20,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:34:20,731 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:34:20,731 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:34:20,732 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label06_false-unreach-call.c [2018-10-24 23:34:20,797 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/69ba37a9c/67cff340d0824fb0943265dfc716a2b7/FLAGef6f27276 [2018-10-24 23:34:21,578 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:34:21,579 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label06_false-unreach-call.c [2018-10-24 23:34:21,615 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/69ba37a9c/67cff340d0824fb0943265dfc716a2b7/FLAGef6f27276 [2018-10-24 23:34:21,632 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/69ba37a9c/67cff340d0824fb0943265dfc716a2b7 [2018-10-24 23:34:21,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:34:21,646 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:34:21,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:34:21,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:34:21,652 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:34:21,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:34:21" (1/1) ... [2018-10-24 23:34:21,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1086b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:21, skipping insertion in model container [2018-10-24 23:34:21,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:34:21" (1/1) ... [2018-10-24 23:34:21,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:34:21,853 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:34:23,401 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:34:23,406 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:34:24,127 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:34:24,164 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:34:24,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24 WrapperNode [2018-10-24 23:34:24,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:34:24,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:34:24,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:34:24,166 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:34:24,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:24,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:24,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:34:24,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:34:24,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:34:24,756 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:34:24,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:24,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:24,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:24,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:24,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... [2018-10-24 23:34:25,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:34:25,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:34:25,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:34:25,206 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:34:25,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:34:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:34:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:34:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 23:34:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 23:34:25,280 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 23:34:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 23:34:25,281 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 23:34:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 23:34:25,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:34:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:34:25,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:34:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:34:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:34:25,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:34:36,638 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:34:36,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:34:36 BoogieIcfgContainer [2018-10-24 23:34:36,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:34:36,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:34:36,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:34:36,643 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:34:36,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:34:21" (1/3) ... [2018-10-24 23:34:36,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e14c981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:34:36, skipping insertion in model container [2018-10-24 23:34:36,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:34:24" (2/3) ... [2018-10-24 23:34:36,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e14c981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:34:36, skipping insertion in model container [2018-10-24 23:34:36,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:34:36" (3/3) ... [2018-10-24 23:34:36,647 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label06_false-unreach-call.c [2018-10-24 23:34:36,657 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:34:36,667 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:34:36,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:34:36,731 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:34:36,732 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:34:36,732 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:34:36,732 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:34:36,732 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:34:36,732 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:34:36,732 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:34:36,732 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:34:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 23:34:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-24 23:34:36,793 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:34:36,794 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] [2018-10-24 23:34:36,796 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:34:36,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:34:36,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1761765804, now seen corresponding path program 1 times [2018-10-24 23:34:36,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:34:36,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:36,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:34:36,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:36,866 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:34:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:34:37,264 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:34:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:34:37,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:34:37,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 23:34:37,379 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:34:37,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:34:37,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:34:37,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:34:37,404 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 23:34:46,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:34:46,743 INFO L93 Difference]: Finished difference Result 3101 states and 5730 transitions. [2018-10-24 23:34:46,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:34:46,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-10-24 23:34:46,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:34:46,781 INFO L225 Difference]: With dead ends: 3101 [2018-10-24 23:34:46,782 INFO L226 Difference]: Without dead ends: 1979 [2018-10-24 23:34:46,794 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 23:34:46,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2018-10-24 23:34:46,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1959. [2018-10-24 23:34:46,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2018-10-24 23:34:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 3535 transitions. [2018-10-24 23:34:46,964 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 3535 transitions. Word has length 32 [2018-10-24 23:34:46,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:34:46,965 INFO L481 AbstractCegarLoop]: Abstraction has 1959 states and 3535 transitions. [2018-10-24 23:34:46,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:34:46,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 3535 transitions. [2018-10-24 23:34:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-24 23:34:46,973 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:34:46,973 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:34:46,974 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:34:46,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:34:46,974 INFO L82 PathProgramCache]: Analyzing trace with hash -2144434788, now seen corresponding path program 1 times [2018-10-24 23:34:46,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:34:46,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:46,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:34:46,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:46,978 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:34:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:34:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:34:47,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:34:47,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 23:34:47,307 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:34:47,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 23:34:47,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 23:34:47,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 23:34:47,310 INFO L87 Difference]: Start difference. First operand 1959 states and 3535 transitions. Second operand 5 states. [2018-10-24 23:35:03,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:35:03,107 INFO L93 Difference]: Finished difference Result 5716 states and 10466 transitions. [2018-10-24 23:35:03,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 23:35:03,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2018-10-24 23:35:03,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:35:03,138 INFO L225 Difference]: With dead ends: 5716 [2018-10-24 23:35:03,139 INFO L226 Difference]: Without dead ends: 3763 [2018-10-24 23:35:03,147 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 [2018-10-24 23:35:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2018-10-24 23:35:03,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3680. [2018-10-24 23:35:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3680 states. [2018-10-24 23:35:03,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3680 states and 6043 transitions. [2018-10-24 23:35:03,273 INFO L78 Accepts]: Start accepts. Automaton has 3680 states and 6043 transitions. Word has length 108 [2018-10-24 23:35:03,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:35:03,274 INFO L481 AbstractCegarLoop]: Abstraction has 3680 states and 6043 transitions. [2018-10-24 23:35:03,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 23:35:03,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 6043 transitions. [2018-10-24 23:35:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-24 23:35:03,282 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:35:03,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:35:03,283 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:35:03,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:35:03,284 INFO L82 PathProgramCache]: Analyzing trace with hash -627646201, now seen corresponding path program 1 times [2018-10-24 23:35:03,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:35:03,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:35:03,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:35:03,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:35:03,287 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:35:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:35:03,576 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:35:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:35:03,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:35:03,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:35:03,616 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:35:03,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:35:03,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:35:03,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:35:03,617 INFO L87 Difference]: Start difference. First operand 3680 states and 6043 transitions. Second operand 6 states. [2018-10-24 23:35:15,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:35:15,803 INFO L93 Difference]: Finished difference Result 10859 states and 18394 transitions. [2018-10-24 23:35:15,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:35:15,804 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-10-24 23:35:15,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:35:15,842 INFO L225 Difference]: With dead ends: 10859 [2018-10-24 23:35:15,842 INFO L226 Difference]: Without dead ends: 7185 [2018-10-24 23:35:15,857 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:35:15,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7185 states. [2018-10-24 23:35:16,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7185 to 7134. [2018-10-24 23:35:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7134 states. [2018-10-24 23:35:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7134 states to 7134 states and 10915 transitions. [2018-10-24 23:35:16,064 INFO L78 Accepts]: Start accepts. Automaton has 7134 states and 10915 transitions. Word has length 109 [2018-10-24 23:35:16,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:35:16,065 INFO L481 AbstractCegarLoop]: Abstraction has 7134 states and 10915 transitions. [2018-10-24 23:35:16,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:35:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 7134 states and 10915 transitions. [2018-10-24 23:35:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-24 23:35:16,074 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:35:16,074 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:35:16,074 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:35:16,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:35:16,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1590975552, now seen corresponding path program 1 times [2018-10-24 23:35:16,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:35:16,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:35:16,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:35:16,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:35:16,076 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:35:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:35:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-24 23:35:16,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:35:16,443 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:35:16,444 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-10-24 23:35:16,446 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2783], [2785], [2788], [2796], [2804], [2812], [2820], [2828], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3258], [3262], [3265], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 23:35:16,511 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:35:16,511 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:35:17,634 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:35:17,635 INFO L272 AbstractInterpreter]: Visited 108 different actions 311 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 23:35:17,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:35:17,678 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:35:18,345 INFO L232 lantSequenceWeakener]: Weakened 24 states. On average, predicates are now at 74.51% of their original sizes. [2018-10-24 23:35:18,345 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:35:19,215 INFO L413 sIntCurrentIteration]: We have 132 unified AI predicates [2018-10-24 23:35:19,215 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:35:19,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:35:19,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [5] total 17 [2018-10-24 23:35:19,217 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:35:19,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-24 23:35:19,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-24 23:35:19,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-10-24 23:35:19,219 INFO L87 Difference]: Start difference. First operand 7134 states and 10915 transitions. Second operand 14 states. [2018-10-24 23:35:30,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-24 23:35:30,787 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:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.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: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.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.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:72) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:673) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:602) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-24 23:35:30,792 INFO L168 Benchmark]: Toolchain (without parser) took 69146.83 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -549.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-24 23:35:30,793 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 23:35:30,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2517.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:30,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 589.45 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 822.1 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:30,796 INFO L168 Benchmark]: Boogie Preprocessor took 449.02 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:30,797 INFO L168 Benchmark]: RCFGBuilder took 11433.30 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 197.1 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -2.9 MB). Peak memory consumption was 677.6 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:30,798 INFO L168 Benchmark]: TraceAbstraction took 54151.51 ms. Allocated memory was 2.6 GB in the beginning and 3.1 GB in the end (delta: 563.6 MB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 253.2 MB). Peak memory consumption was 816.8 MB. Max. memory is 7.1 GB. [2018-10-24 23:35:30,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2517.52 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 589.45 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 822.1 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 449.02 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11433.30 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 197.1 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: -2.9 MB). Peak memory consumption was 677.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54151.51 ms. Allocated memory was 2.6 GB in the beginning and 3.1 GB in the end (delta: 563.6 MB). Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 253.2 MB). Peak memory consumption was 816.8 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...