java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf -i ../../../trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 23:40:39,155 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 23:40:39,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 23:40:39,172 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 23:40:39,173 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 23:40:39,174 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 23:40:39,175 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 23:40:39,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 23:40:39,179 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 23:40:39,180 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 23:40:39,181 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 23:40:39,181 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 23:40:39,182 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 23:40:39,183 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 23:40:39,184 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 23:40:39,185 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 23:40:39,186 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 23:40:39,188 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 23:40:39,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 23:40:39,191 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 23:40:39,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 23:40:39,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 23:40:39,199 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 23:40:39,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 23:40:39,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 23:40:39,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 23:40:39,208 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 23:40:39,209 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 23:40:39,213 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 23:40:39,219 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 23:40:39,219 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 23:40:39,220 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 23:40:39,220 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 23:40:39,220 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 23:40:39,224 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 23:40:39,225 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 23:40:39,225 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf [2018-09-15 23:40:39,259 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 23:40:39,259 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 23:40:39,261 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 23:40:39,261 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 23:40:39,261 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 23:40:39,262 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 23:40:39,262 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 23:40:39,262 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 23:40:39,262 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 23:40:39,263 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 23:40:39,263 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 23:40:39,264 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 23:40:39,264 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 23:40:39,265 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 23:40:39,265 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 23:40:39,265 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 23:40:39,265 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 23:40:39,267 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 23:40:39,267 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 23:40:39,268 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 23:40:39,268 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 23:40:39,268 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 23:40:39,268 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 23:40:39,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 23:40:39,269 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 23:40:39,269 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 23:40:39,269 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 23:40:39,270 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 23:40:39,270 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 23:40:39,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 23:40:39,270 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 23:40:39,271 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 23:40:39,271 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 23:40:39,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 23:40:39,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 23:40:39,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 23:40:39,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 23:40:39,355 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 23:40:39,356 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c [2018-09-15 23:40:39,768 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2e364e9/f1f81f07cc7d462fb5fc56cc62ef3db9/FLAG6f866ef1d [2018-09-15 23:40:39,971 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 23:40:39,972 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_security_true-unreach-call_false-termination.c [2018-09-15 23:40:39,991 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2e364e9/f1f81f07cc7d462fb5fc56cc62ef3db9/FLAG6f866ef1d [2018-09-15 23:40:40,008 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2e364e9/f1f81f07cc7d462fb5fc56cc62ef3db9 [2018-09-15 23:40:40,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 23:40:40,028 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 23:40:40,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 23:40:40,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 23:40:40,042 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 23:40:40,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4296ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40, skipping insertion in model container [2018-09-15 23:40:40,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,064 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 23:40:40,345 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 23:40:40,362 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 23:40:40,394 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 23:40:40,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40 WrapperNode [2018-09-15 23:40:40,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 23:40:40,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 23:40:40,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 23:40:40,428 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 23:40:40,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 23:40:40,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 23:40:40,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 23:40:40,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 23:40:40,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (1/1) ... [2018-09-15 23:40:40,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 23:40:40,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 23:40:40,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 23:40:40,515 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 23:40:40,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-09-15 23:40:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 23:40:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 23:40:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 23:40:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 23:40:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 23:40:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 23:40:41,451 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 23:40:41,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:40:41 BoogieIcfgContainer [2018-09-15 23:40:41,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 23:40:41,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 23:40:41,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 23:40:41,457 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 23:40:41,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:40:40" (1/3) ... [2018-09-15 23:40:41,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550be2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:40:41, skipping insertion in model container [2018-09-15 23:40:41,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:40:40" (2/3) ... [2018-09-15 23:40:41,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550be2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:40:41, skipping insertion in model container [2018-09-15 23:40:41,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:40:41" (3/3) ... [2018-09-15 23:40:41,461 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_security_true-unreach-call_false-termination.c [2018-09-15 23:40:41,471 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 23:40:41,478 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 23:40:41,526 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 23:40:41,527 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 23:40:41,527 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 23:40:41,528 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 23:40:41,528 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 23:40:41,528 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 23:40:41,528 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 23:40:41,528 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 23:40:41,528 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 23:40:41,547 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-09-15 23:40:41,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-15 23:40:41,554 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:40:41,556 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 23:40:41,557 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:40:41,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1921368221, now seen corresponding path program 1 times [2018-09-15 23:40:41,565 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:40:41,566 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 14 with the following transitions: [2018-09-15 23:40:41,569 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [27], [373], [376], [377], [378] [2018-09-15 23:40:41,608 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:40:41,609 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:40:41,706 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:40:41,708 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Never found a fixpoint. Largest state had 16 variables. [2018-09-15 23:40:41,742 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:40:41,810 INFO L232 lantSequenceWeakener]: Weakened 10 states. On average, predicates are now at 97.19% of their original sizes. [2018-09-15 23:40:41,810 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:40:41,895 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:40:41,897 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:40:41,897 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-15 23:40:41,897 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:40:41,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-15 23:40:41,910 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-15 23:40:41,911 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-15 23:40:41,914 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 4 states. [2018-09-15 23:40:42,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:40:42,175 INFO L93 Difference]: Finished difference Result 163 states and 304 transitions. [2018-09-15 23:40:42,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-15 23:40:42,177 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-09-15 23:40:42,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:40:42,188 INFO L225 Difference]: With dead ends: 163 [2018-09-15 23:40:42,188 INFO L226 Difference]: Without dead ends: 81 [2018-09-15 23:40:42,191 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-15 23:40:42,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-15 23:40:42,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-09-15 23:40:42,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-15 23:40:42,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 116 transitions. [2018-09-15 23:40:42,236 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 116 transitions. Word has length 13 [2018-09-15 23:40:42,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:40:42,236 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 116 transitions. [2018-09-15 23:40:42,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-15 23:40:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2018-09-15 23:40:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-15 23:40:42,238 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:40:42,238 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 23:40:42,239 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:40:42,239 INFO L82 PathProgramCache]: Analyzing trace with hash -304388480, now seen corresponding path program 1 times [2018-09-15 23:40:42,239 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:40:42,239 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-09-15 23:40:42,239 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [373], [376], [377], [378] [2018-09-15 23:40:42,241 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:40:42,241 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:40:42,267 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:40:42,268 INFO L272 AbstractInterpreter]: Visited 14 different actions 17 times. Merged at 2 different actions 2 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 17 variables. [2018-09-15 23:40:42,279 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:40:42,331 INFO L232 lantSequenceWeakener]: Weakened 13 states. On average, predicates are now at 94.84% of their original sizes. [2018-09-15 23:40:42,331 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:40:42,423 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:40:42,424 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:40:42,424 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-15 23:40:42,424 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:40:42,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-15 23:40:42,425 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-15 23:40:42,425 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-09-15 23:40:42,426 INFO L87 Difference]: Start difference. First operand 81 states and 116 transitions. Second operand 7 states. [2018-09-15 23:40:42,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:40:42,816 INFO L93 Difference]: Finished difference Result 190 states and 274 transitions. [2018-09-15 23:40:42,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-15 23:40:42,817 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-09-15 23:40:42,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:40:42,818 INFO L225 Difference]: With dead ends: 190 [2018-09-15 23:40:42,819 INFO L226 Difference]: Without dead ends: 110 [2018-09-15 23:40:42,820 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-09-15 23:40:42,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-09-15 23:40:42,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 96. [2018-09-15 23:40:42,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-09-15 23:40:42,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2018-09-15 23:40:42,832 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 19 [2018-09-15 23:40:42,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:40:42,833 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2018-09-15 23:40:42,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-15 23:40:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2018-09-15 23:40:42,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-15 23:40:42,834 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:40:42,835 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 23:40:42,835 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:40:42,835 INFO L82 PathProgramCache]: Analyzing trace with hash -504951029, now seen corresponding path program 1 times [2018-09-15 23:40:42,835 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:40:42,836 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 27 with the following transitions: [2018-09-15 23:40:42,836 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [86], [89], [92], [95], [100], [373], [376], [377], [378] [2018-09-15 23:40:42,838 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:40:42,838 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:40:42,873 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:40:42,874 INFO L272 AbstractInterpreter]: Visited 19 different actions 30 times. Merged at 7 different actions 8 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 18 variables. [2018-09-15 23:40:42,896 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:40:42,965 INFO L232 lantSequenceWeakener]: Weakened 20 states. On average, predicates are now at 94.98% of their original sizes. [2018-09-15 23:40:42,965 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:40:43,232 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:40:43,233 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:40:43,233 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-15 23:40:43,234 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:40:43,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-15 23:40:43,234 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-15 23:40:43,235 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-15 23:40:43,235 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand 9 states. [2018-09-15 23:40:44,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:40:44,053 INFO L93 Difference]: Finished difference Result 254 states and 359 transitions. [2018-09-15 23:40:44,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-15 23:40:44,054 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-09-15 23:40:44,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:40:44,057 INFO L225 Difference]: With dead ends: 254 [2018-09-15 23:40:44,057 INFO L226 Difference]: Without dead ends: 150 [2018-09-15 23:40:44,059 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-09-15 23:40:44,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-09-15 23:40:44,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 127. [2018-09-15 23:40:44,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-09-15 23:40:44,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 180 transitions. [2018-09-15 23:40:44,074 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 180 transitions. Word has length 26 [2018-09-15 23:40:44,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:40:44,074 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 180 transitions. [2018-09-15 23:40:44,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-15 23:40:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2018-09-15 23:40:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-15 23:40:44,076 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:40:44,076 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 23:40:44,077 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:40:44,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1357701824, now seen corresponding path program 1 times [2018-09-15 23:40:44,077 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:40:44,077 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 28 with the following transitions: [2018-09-15 23:40:44,078 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [39], [42], [45], [48], [86], [89], [105], [108], [111], [116], [373], [376], [377], [378] [2018-09-15 23:40:44,079 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:40:44,080 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:40:44,099 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:40:44,099 INFO L272 AbstractInterpreter]: Visited 20 different actions 32 times. Merged at 8 different actions 9 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 19 variables. [2018-09-15 23:40:44,112 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:40:44,165 INFO L232 lantSequenceWeakener]: Weakened 21 states. On average, predicates are now at 94.9% of their original sizes. [2018-09-15 23:40:44,165 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:40:44,271 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:40:44,272 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:40:44,272 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 23:40:44,272 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:40:44,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 23:40:44,273 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 23:40:44,273 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-15 23:40:44,273 INFO L87 Difference]: Start difference. First operand 127 states and 180 transitions. Second operand 10 states. [2018-09-15 23:40:45,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:40:45,015 INFO L93 Difference]: Finished difference Result 231 states and 320 transitions. [2018-09-15 23:40:45,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-15 23:40:45,017 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-09-15 23:40:45,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:40:45,019 INFO L225 Difference]: With dead ends: 231 [2018-09-15 23:40:45,019 INFO L226 Difference]: Without dead ends: 107 [2018-09-15 23:40:45,021 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-09-15 23:40:45,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-09-15 23:40:45,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 97. [2018-09-15 23:40:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-09-15 23:40:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 130 transitions. [2018-09-15 23:40:45,033 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 130 transitions. Word has length 27 [2018-09-15 23:40:45,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:40:45,033 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 130 transitions. [2018-09-15 23:40:45,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 23:40:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2018-09-15 23:40:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-15 23:40:45,035 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:40:45,035 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 23:40:45,036 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:40:45,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1172052595, now seen corresponding path program 1 times [2018-09-15 23:40:45,036 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:40:45,036 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 30 with the following transitions: [2018-09-15 23:40:45,037 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [86], [89], [92], [95], [100], [105], [121], [124], [127], [130], [373], [376], [377], [378] [2018-09-15 23:40:45,038 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:40:45,039 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:40:45,058 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:40:45,059 INFO L272 AbstractInterpreter]: Visited 23 different actions 37 times. Merged at 10 different actions 11 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 19 variables. [2018-09-15 23:40:45,084 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:40:45,157 INFO L232 lantSequenceWeakener]: Weakened 26 states. On average, predicates are now at 93.55% of their original sizes. [2018-09-15 23:40:45,157 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:40:45,429 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:40:45,429 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:40:45,430 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 23:40:45,430 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:40:45,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 23:40:45,430 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 23:40:45,431 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-15 23:40:45,431 INFO L87 Difference]: Start difference. First operand 97 states and 130 transitions. Second operand 13 states. [2018-09-15 23:40:45,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:40:45,959 INFO L93 Difference]: Finished difference Result 187 states and 249 transitions. [2018-09-15 23:40:45,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-15 23:40:45,960 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 29 [2018-09-15 23:40:45,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:40:45,962 INFO L225 Difference]: With dead ends: 187 [2018-09-15 23:40:45,962 INFO L226 Difference]: Without dead ends: 107 [2018-09-15 23:40:45,963 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-09-15 23:40:45,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-09-15 23:40:45,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 86. [2018-09-15 23:40:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-09-15 23:40:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2018-09-15 23:40:45,973 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 29 [2018-09-15 23:40:45,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:40:45,973 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2018-09-15 23:40:45,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 23:40:45,973 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2018-09-15 23:40:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-15 23:40:45,975 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:40:45,975 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 23:40:45,975 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:40:45,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1320221367, now seen corresponding path program 1 times [2018-09-15 23:40:45,976 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:40:45,976 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 31 with the following transitions: [2018-09-15 23:40:45,976 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [86], [89], [92], [95], [100], [168], [171], [187], [203], [206], [209], [212], [373], [376], [377], [378] [2018-09-15 23:40:45,978 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:40:45,978 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:40:45,995 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:40:45,996 INFO L272 AbstractInterpreter]: Visited 25 different actions 36 times. Merged at 7 different actions 8 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 20 variables. [2018-09-15 23:40:46,012 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:40:46,050 INFO L232 lantSequenceWeakener]: Weakened 27 states. On average, predicates are now at 93.41% of their original sizes. [2018-09-15 23:40:46,050 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:40:46,220 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:40:46,220 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:40:46,220 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-15 23:40:46,220 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:40:46,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-15 23:40:46,221 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-15 23:40:46,221 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-09-15 23:40:46,222 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 14 states. [2018-09-15 23:40:46,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:40:46,641 INFO L93 Difference]: Finished difference Result 163 states and 217 transitions. [2018-09-15 23:40:46,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-15 23:40:46,642 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2018-09-15 23:40:46,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:40:46,643 INFO L225 Difference]: With dead ends: 163 [2018-09-15 23:40:46,644 INFO L226 Difference]: Without dead ends: 89 [2018-09-15 23:40:46,645 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2018-09-15 23:40:46,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-09-15 23:40:46,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 83. [2018-09-15 23:40:46,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-09-15 23:40:46,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 106 transitions. [2018-09-15 23:40:46,654 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 106 transitions. Word has length 30 [2018-09-15 23:40:46,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:40:46,655 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 106 transitions. [2018-09-15 23:40:46,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-15 23:40:46,655 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2018-09-15 23:40:46,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-15 23:40:46,657 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:40:46,657 INFO L376 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 23:40:46,657 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:40:46,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1763549523, now seen corresponding path program 1 times [2018-09-15 23:40:46,658 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:40:46,658 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 32 with the following transitions: [2018-09-15 23:40:46,658 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [86], [89], [105], [108], [111], [116], [121], [136], [139], [142], [145], [373], [376], [377], [378] [2018-09-15 23:40:46,660 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:40:46,660 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:40:46,678 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:40:46,678 INFO L272 AbstractInterpreter]: Visited 24 different actions 39 times. Merged at 11 different actions 12 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 20 variables. [2018-09-15 23:40:46,697 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:40:46,744 INFO L232 lantSequenceWeakener]: Weakened 28 states. On average, predicates are now at 93.3% of their original sizes. [2018-09-15 23:40:46,744 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:40:46,889 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:40:46,889 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:40:46,890 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-15 23:40:46,890 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:40:46,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-15 23:40:46,891 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-15 23:40:46,891 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-09-15 23:40:46,891 INFO L87 Difference]: Start difference. First operand 83 states and 106 transitions. Second operand 15 states. [2018-09-15 23:40:47,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:40:47,321 INFO L93 Difference]: Finished difference Result 149 states and 193 transitions. [2018-09-15 23:40:47,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-15 23:40:47,323 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 31 [2018-09-15 23:40:47,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:40:47,324 INFO L225 Difference]: With dead ends: 149 [2018-09-15 23:40:47,325 INFO L226 Difference]: Without dead ends: 83 [2018-09-15 23:40:47,326 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2018-09-15 23:40:47,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-09-15 23:40:47,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 70. [2018-09-15 23:40:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-09-15 23:40:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2018-09-15 23:40:47,335 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 31 [2018-09-15 23:40:47,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:40:47,335 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2018-09-15 23:40:47,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-15 23:40:47,336 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-09-15 23:40:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-15 23:40:47,337 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 23:40:47,337 INFO L376 BasicCegarLoop]: trace histogram [3, 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] [2018-09-15 23:40:47,337 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 23:40:47,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1704565915, now seen corresponding path program 1 times [2018-09-15 23:40:47,338 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 23:40:47,338 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 34 with the following transitions: [2018-09-15 23:40:47,338 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [18], [21], [24], [29], [36], [86], [89], [105], [108], [111], [116], [168], [268], [271], [287], [303], [318], [321], [324], [327], [373], [376], [377], [378] [2018-09-15 23:40:47,340 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-09-15 23:40:47,340 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 23:40:47,358 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 23:40:47,359 INFO L272 AbstractInterpreter]: Visited 28 different actions 40 times. Merged at 8 different actions 9 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 22 variables. [2018-09-15 23:40:47,399 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 23:40:47,450 INFO L232 lantSequenceWeakener]: Weakened 30 states. On average, predicates are now at 92.98% of their original sizes. [2018-09-15 23:40:47,451 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 23:40:47,840 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 23:40:47,840 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 23:40:47,840 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-09-15 23:40:47,840 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 23:40:47,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-09-15 23:40:47,841 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-09-15 23:40:47,842 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-09-15 23:40:47,842 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand 16 states. [2018-09-15 23:40:48,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 23:40:48,424 INFO L93 Difference]: Finished difference Result 123 states and 157 transitions. [2018-09-15 23:40:48,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-15 23:40:48,425 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 33 [2018-09-15 23:40:48,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 23:40:48,425 INFO L225 Difference]: With dead ends: 123 [2018-09-15 23:40:48,426 INFO L226 Difference]: Without dead ends: 0 [2018-09-15 23:40:48,427 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2018-09-15 23:40:48,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-15 23:40:48,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-15 23:40:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-15 23:40:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-15 23:40:48,428 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-09-15 23:40:48,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 23:40:48,428 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-15 23:40:48,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-09-15 23:40:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-15 23:40:48,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-15 23:40:48,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-15 23:40:48,946 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 22 [2018-09-15 23:40:48,971 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-15 23:40:48,972 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-15 23:40:48,972 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-15 23:40:48,972 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-15 23:40:48,972 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-15 23:40:48,972 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-15 23:40:48,973 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-15 23:40:48,973 INFO L426 ceAbstractionStarter]: For program point L316(lines 316 331) no Hoare annotation was computed. [2018-09-15 23:40:48,973 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 382) no Hoare annotation was computed. [2018-09-15 23:40:48,973 INFO L426 ceAbstractionStarter]: For program point L250(lines 250 261) no Hoare annotation was computed. [2018-09-15 23:40:48,973 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 13 390) no Hoare annotation was computed. [2018-09-15 23:40:48,973 INFO L426 ceAbstractionStarter]: For program point L184(lines 184 199) no Hoare annotation was computed. [2018-09-15 23:40:48,973 INFO L426 ceAbstractionStarter]: For program point L118(lines 118 129) no Hoare annotation was computed. [2018-09-15 23:40:48,973 INFO L426 ceAbstractionStarter]: For program point L366(lines 366 377) no Hoare annotation was computed. [2018-09-15 23:40:48,973 INFO L426 ceAbstractionStarter]: For program point L300(lines 300 315) no Hoare annotation was computed. [2018-09-15 23:40:48,974 INFO L426 ceAbstractionStarter]: For program point L234(lines 234 245) no Hoare annotation was computed. [2018-09-15 23:40:48,974 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2018-09-15 23:40:48,974 INFO L426 ceAbstractionStarter]: For program point L350(lines 350 361) no Hoare annotation was computed. [2018-09-15 23:40:48,974 INFO L426 ceAbstractionStarter]: For program point L284(lines 284 299) no Hoare annotation was computed. [2018-09-15 23:40:48,974 INFO L426 ceAbstractionStarter]: For program point L218(lines 218 229) no Hoare annotation was computed. [2018-09-15 23:40:48,974 INFO L426 ceAbstractionStarter]: For program point L86(lines 86 88) no Hoare annotation was computed. [2018-09-15 23:40:48,974 INFO L426 ceAbstractionStarter]: For program point L334(lines 334 345) no Hoare annotation was computed. [2018-09-15 23:40:48,975 INFO L426 ceAbstractionStarter]: For program point L202(lines 202 213) no Hoare annotation was computed. [2018-09-15 23:40:48,975 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 72) no Hoare annotation was computed. [2018-09-15 23:40:48,975 INFO L426 ceAbstractionStarter]: For program point L318(lines 318 329) no Hoare annotation was computed. [2018-09-15 23:40:48,975 INFO L426 ceAbstractionStarter]: For program point L186(lines 186 197) no Hoare annotation was computed. [2018-09-15 23:40:48,975 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 56) no Hoare annotation was computed. [2018-09-15 23:40:48,975 INFO L426 ceAbstractionStarter]: For program point L302(lines 302 313) no Hoare annotation was computed. [2018-09-15 23:40:48,975 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 13 390) no Hoare annotation was computed. [2018-09-15 23:40:48,976 INFO L426 ceAbstractionStarter]: For program point L170(lines 170 172) no Hoare annotation was computed. [2018-09-15 23:40:48,976 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 297) no Hoare annotation was computed. [2018-09-15 23:40:48,976 INFO L426 ceAbstractionStarter]: For program point L154(lines 154 156) no Hoare annotation was computed. [2018-09-15 23:40:48,976 INFO L422 ceAbstractionStarter]: At program point L22-3(lines 22 385) the Hoare annotation is: (and (= main_~this_state~0 0) (= main_~q~0 0)) [2018-09-15 23:40:48,976 INFO L426 ceAbstractionStarter]: For program point L22-4(lines 22 385) no Hoare annotation was computed. [2018-09-15 23:40:48,976 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 389) no Hoare annotation was computed. [2018-09-15 23:40:48,976 INFO L426 ceAbstractionStarter]: For program point L270(lines 270 272) no Hoare annotation was computed. [2018-09-15 23:40:48,977 INFO L426 ceAbstractionStarter]: For program point L138(lines 138 140) no Hoare annotation was computed. [2018-09-15 23:40:48,977 INFO L426 ceAbstractionStarter]: For program point L254(lines 254 256) no Hoare annotation was computed. [2018-09-15 23:40:48,977 INFO L426 ceAbstractionStarter]: For program point L122(lines 122 124) no Hoare annotation was computed. [2018-09-15 23:40:48,977 INFO L426 ceAbstractionStarter]: For program point L370(lines 370 372) no Hoare annotation was computed. [2018-09-15 23:40:48,977 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 240) no Hoare annotation was computed. [2018-09-15 23:40:48,977 INFO L426 ceAbstractionStarter]: For program point L106(lines 106 108) no Hoare annotation was computed. [2018-09-15 23:40:48,977 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 356) no Hoare annotation was computed. [2018-09-15 23:40:48,978 INFO L426 ceAbstractionStarter]: For program point L222(lines 222 224) no Hoare annotation was computed. [2018-09-15 23:40:48,978 INFO L422 ceAbstractionStarter]: At program point L371(lines 13 390) the Hoare annotation is: false [2018-09-15 23:40:48,978 INFO L426 ceAbstractionStarter]: For program point L338(lines 338 340) no Hoare annotation was computed. [2018-09-15 23:40:48,978 INFO L426 ceAbstractionStarter]: For program point L206(lines 206 208) no Hoare annotation was computed. [2018-09-15 23:40:48,978 INFO L426 ceAbstractionStarter]: For program point L322(lines 322 324) no Hoare annotation was computed. [2018-09-15 23:40:48,978 INFO L426 ceAbstractionStarter]: For program point L190(lines 190 192) no Hoare annotation was computed. [2018-09-15 23:40:48,979 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 308) no Hoare annotation was computed. [2018-09-15 23:40:48,979 INFO L426 ceAbstractionStarter]: For program point L290(lines 290 292) no Hoare annotation was computed. [2018-09-15 23:40:48,979 INFO L426 ceAbstractionStarter]: For program point L27(lines 27 46) no Hoare annotation was computed. [2018-09-15 23:40:48,979 INFO L426 ceAbstractionStarter]: For program point L28(lines 28 43) no Hoare annotation was computed. [2018-09-15 23:40:48,979 INFO L426 ceAbstractionStarter]: For program point L30(lines 30 41) no Hoare annotation was computed. [2018-09-15 23:40:48,979 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 13 390) the Hoare annotation is: true [2018-09-15 23:40:48,980 INFO L426 ceAbstractionStarter]: For program point L80(lines 80 95) no Hoare annotation was computed. [2018-09-15 23:40:48,980 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 98) no Hoare annotation was computed. [2018-09-15 23:40:48,980 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 79) no Hoare annotation was computed. [2018-09-15 23:40:48,980 INFO L426 ceAbstractionStarter]: For program point L48(lines 48 63) no Hoare annotation was computed. [2018-09-15 23:40:48,980 INFO L426 ceAbstractionStarter]: For program point L164(lines 164 179) no Hoare annotation was computed. [2018-09-15 23:40:48,980 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 163) no Hoare annotation was computed. [2018-09-15 23:40:48,980 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 93) no Hoare annotation was computed. [2018-09-15 23:40:48,981 INFO L426 ceAbstractionStarter]: For program point L264(lines 264 279) no Hoare annotation was computed. [2018-09-15 23:40:48,981 INFO L426 ceAbstractionStarter]: For program point L132(lines 132 147) no Hoare annotation was computed. [2018-09-15 23:40:48,981 INFO L426 ceAbstractionStarter]: For program point L99(lines 99 182) no Hoare annotation was computed. [2018-09-15 23:40:48,981 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 77) no Hoare annotation was computed. [2018-09-15 23:40:48,981 INFO L426 ceAbstractionStarter]: For program point L248(lines 248 263) no Hoare annotation was computed. [2018-09-15 23:40:48,981 INFO L426 ceAbstractionStarter]: For program point L116(lines 116 131) no Hoare annotation was computed. [2018-09-15 23:40:48,981 INFO L426 ceAbstractionStarter]: For program point L50(lines 50 61) no Hoare annotation was computed. [2018-09-15 23:40:48,982 INFO L426 ceAbstractionStarter]: For program point L364(lines 364 379) no Hoare annotation was computed. [2018-09-15 23:40:48,982 INFO L426 ceAbstractionStarter]: For program point L232(lines 232 247) no Hoare annotation was computed. [2018-09-15 23:40:48,982 INFO L426 ceAbstractionStarter]: For program point L166(lines 166 177) no Hoare annotation was computed. [2018-09-15 23:40:48,982 INFO L426 ceAbstractionStarter]: For program point L100(lines 100 115) no Hoare annotation was computed. [2018-09-15 23:40:48,982 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2018-09-15 23:40:48,983 INFO L422 ceAbstractionStarter]: At program point L381(lines 22 385) the Hoare annotation is: (let ((.cse0 (= main_~this_state~0 0))) (or (and (= main_~q~0 3) (= main_~this_state~0 2)) (and (= main_~this_state~0 3) (= main_~q~0 4)) (and (<= 1 main_~q~0) .cse0 (<= main_~q~0 2) (= (mod main_~q~0 2) 0)) (and .cse0 (= main_~q~0 0)))) [2018-09-15 23:40:48,983 INFO L426 ceAbstractionStarter]: For program point L348(lines 348 363) no Hoare annotation was computed. [2018-09-15 23:40:48,983 INFO L426 ceAbstractionStarter]: For program point L216(lines 216 231) no Hoare annotation was computed. [2018-09-15 23:40:48,983 INFO L426 ceAbstractionStarter]: For program point L183(lines 183 282) no Hoare annotation was computed. [2018-09-15 23:40:48,983 INFO L426 ceAbstractionStarter]: For program point L150(lines 150 161) no Hoare annotation was computed. [2018-09-15 23:40:48,983 INFO L426 ceAbstractionStarter]: For program point L332(lines 332 347) no Hoare annotation was computed. [2018-09-15 23:40:48,983 INFO L426 ceAbstractionStarter]: For program point L266(lines 266 277) no Hoare annotation was computed. [2018-09-15 23:40:48,984 INFO L426 ceAbstractionStarter]: For program point L200(lines 200 215) no Hoare annotation was computed. [2018-09-15 23:40:48,984 INFO L426 ceAbstractionStarter]: For program point L134(lines 134 145) no Hoare annotation was computed. [2018-09-15 23:40:48,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 11:40:48 BoogieIcfgContainer [2018-09-15 23:40:48,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 23:40:48,995 INFO L168 Benchmark]: Toolchain (without parser) took 8971.54 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -255.3 MB). Peak memory consumption was 476.0 MB. Max. memory is 7.1 GB. [2018-09-15 23:40:48,996 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-09-15 23:40:48,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-15 23:40:48,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.43 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. [2018-09-15 23:40:48,998 INFO L168 Benchmark]: Boogie Preprocessor took 59.39 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. [2018-09-15 23:40:48,999 INFO L168 Benchmark]: RCFGBuilder took 937.77 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -764.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2018-09-15 23:40:49,000 INFO L168 Benchmark]: TraceAbstraction took 7540.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 498.2 MB). Peak memory consumption was 498.2 MB. Max. memory is 7.1 GB. [2018-09-15 23:40:49,004 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 396.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 27.43 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. * Boogie Preprocessor took 59.39 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. * RCFGBuilder took 937.77 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 731.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -764.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7540.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 498.2 MB). Peak memory consumption was 498.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 389]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((q == 3 && this_state == 2) || (this_state == 3 && q == 4)) || (((1 <= q && this_state == 0) && q <= 2) && q % 2 == 0)) || (this_state == 0 && q == 0) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: this_state == 0 && q == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 1 error locations. SAFE Result, 7.4s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 649 SDtfs, 874 SDslu, 2945 SDs, 0 SdLazy, 1616 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 16 DeclaredPredicates, 253 GetRequests, 127 SyntacticMatches, 10 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 8 AbstIntIterations, 8 AbstIntStrong, 0.9749523809523807 AbsIntWeakeningRatio, 0.595 AbsIntAvgWeakeningVarsNumRemoved, 6.525 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 87 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 16 NumberOfFragments, 49 HoareAnnotationTreeSize, 7 FomulaSimplifications, 436 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 309 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_security_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_23-40-49-027.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/psyco_security_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_INTCON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_23-40-49-027.csv Received shutdown request...