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_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label16_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 12:23:48,502 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 12:23:48,505 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 12:23:48,524 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 12:23:48,525 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 12:23:48,527 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 12:23:48,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 12:23:48,531 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 12:23:48,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 12:23:48,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 12:23:48,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 12:23:48,539 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 12:23:48,540 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 12:23:48,541 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 12:23:48,550 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 12:23:48,551 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 12:23:48,552 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 12:23:48,555 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 12:23:48,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 12:23:48,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 12:23:48,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 12:23:48,565 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 12:23:48,569 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 12:23:48,570 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 12:23:48,570 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 12:23:48,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 12:23:48,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 12:23:48,573 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 12:23:48,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 12:23:48,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 12:23:48,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 12:23:48,577 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 12:23:48,577 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 12:23:48,577 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 12:23:48,578 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 12:23:48,579 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 12:23:48,579 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 12:23:48,596 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 12:23:48,596 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 12:23:48,597 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 12:23:48,597 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 12:23:48,597 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 12:23:48,598 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 12:23:48,598 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 12:23:48,598 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 12:23:48,598 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 12:23:48,599 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 12:23:48,600 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 12:23:48,603 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 12:23:48,604 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 12:23:48,604 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 12:23:48,604 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 12:23:48,604 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 12:23:48,605 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 12:23:48,605 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 12:23:48,605 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 12:23:48,605 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 12:23:48,606 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 12:23:48,607 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 12:23:48,607 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 12:23:48,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 12:23:48,607 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 12:23:48,607 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 12:23:48,607 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 12:23:48,608 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 12:23:48,608 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 12:23:48,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 12:23:48,608 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 12:23:48,609 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 12:23:48,609 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 12:23:48,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 12:23:48,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 12:23:48,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 12:23:48,673 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 12:23:48,673 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 12:23:48,674 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-09-15 12:23:49,017 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d62dca5/ea184738109b41a78c2eaad705194500/FLAGdd851e182 [2018-09-15 12:23:49,402 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 12:23:49,405 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-09-15 12:23:49,426 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d62dca5/ea184738109b41a78c2eaad705194500/FLAGdd851e182 [2018-09-15 12:23:49,447 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d62dca5/ea184738109b41a78c2eaad705194500 [2018-09-15 12:23:49,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 12:23:49,463 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 12:23:49,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 12:23:49,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 12:23:49,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 12:23:49,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:23:49" (1/1) ... [2018-09-15 12:23:49,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d0561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:49, skipping insertion in model container [2018-09-15 12:23:49,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 12:23:49" (1/1) ... [2018-09-15 12:23:49,489 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 12:23:50,252 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 12:23:50,271 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 12:23:50,479 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 12:23:50,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50 WrapperNode [2018-09-15 12:23:50,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 12:23:50,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 12:23:50,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 12:23:50,599 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 12:23:50,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (1/1) ... [2018-09-15 12:23:50,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (1/1) ... [2018-09-15 12:23:50,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 12:23:50,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 12:23:50,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 12:23:50,804 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 12:23:51,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (1/1) ... [2018-09-15 12:23:51,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (1/1) ... [2018-09-15 12:23:51,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (1/1) ... [2018-09-15 12:23:51,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (1/1) ... [2018-09-15 12:23:51,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (1/1) ... [2018-09-15 12:23:51,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (1/1) ... [2018-09-15 12:23:51,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (1/1) ... [2018-09-15 12:23:51,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 12:23:51,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 12:23:51,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 12:23:51,329 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 12:23:51,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (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 12:23:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 12:23:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 12:23:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 12:23:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 12:23:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 12:23:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 12:23:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 12:23:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 12:23:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 12:23:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 12:23:58,949 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 12:23:58,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:23:58 BoogieIcfgContainer [2018-09-15 12:23:58,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 12:23:58,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 12:23:58,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 12:23:58,955 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 12:23:58,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 12:23:49" (1/3) ... [2018-09-15 12:23:58,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2a3e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:23:58, skipping insertion in model container [2018-09-15 12:23:58,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 12:23:50" (2/3) ... [2018-09-15 12:23:58,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2a3e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 12:23:58, skipping insertion in model container [2018-09-15 12:23:58,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 12:23:58" (3/3) ... [2018-09-15 12:23:58,959 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label16_true-unreach-call.c [2018-09-15 12:23:58,969 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 12:23:58,979 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 12:23:59,038 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 12:23:59,039 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 12:23:59,039 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 12:23:59,040 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 12:23:59,040 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 12:23:59,040 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 12:23:59,040 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 12:23:59,040 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 12:23:59,041 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 12:23:59,074 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-09-15 12:23:59,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-15 12:23:59,084 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:23:59,086 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 12:23:59,087 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:23:59,093 INFO L82 PathProgramCache]: Analyzing trace with hash 657368747, now seen corresponding path program 1 times [2018-09-15 12:23:59,096 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:23:59,097 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 50 with the following transitions: [2018-09-15 12:23:59,101 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [1556], [1560], [1566], [1570], [1579], [1580], [1581], [1583] [2018-09-15 12:23:59,167 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:23:59,167 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:24:00,898 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:24:00,900 INFO L272 AbstractInterpreter]: Visited 48 different actions 48 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 12:24:00,945 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:24:01,734 INFO L232 lantSequenceWeakener]: Weakened 47 states. On average, predicates are now at 80.42% of their original sizes. [2018-09-15 12:24:01,734 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:24:02,055 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:24:02,057 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:24:02,058 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 12:24:02,058 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:24:02,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 12:24:02,072 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 12:24:02,073 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:24:02,075 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 6 states. [2018-09-15 12:24:08,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:24:08,504 INFO L93 Difference]: Finished difference Result 1158 states and 2145 transitions. [2018-09-15 12:24:08,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 12:24:08,507 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-09-15 12:24:08,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:24:08,530 INFO L225 Difference]: With dead ends: 1158 [2018-09-15 12:24:08,530 INFO L226 Difference]: Without dead ends: 746 [2018-09-15 12:24:08,542 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 12:24:08,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2018-09-15 12:24:08,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 744. [2018-09-15 12:24:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-09-15 12:24:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1075 transitions. [2018-09-15 12:24:08,671 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1075 transitions. Word has length 49 [2018-09-15 12:24:08,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:24:08,672 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1075 transitions. [2018-09-15 12:24:08,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 12:24:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1075 transitions. [2018-09-15 12:24:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-15 12:24:08,679 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:24:08,680 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:08,680 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:24:08,680 INFO L82 PathProgramCache]: Analyzing trace with hash 520725928, now seen corresponding path program 1 times [2018-09-15 12:24:08,681 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:24:08,681 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-09-15 12:24:08,682 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:24:08,691 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:24:08,692 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:24:11,859 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:24:18,458 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:24:18,458 INFO L272 AbstractInterpreter]: Visited 99 different actions 191 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:24:18,500 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:24:21,698 INFO L232 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 78.43% of their original sizes. [2018-09-15 12:24:21,699 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:24:23,543 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:24:23,544 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:24:23,544 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 12:24:23,544 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:24:23,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 12:24:23,547 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 12:24:23,547 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 12:24:23,547 INFO L87 Difference]: Start difference. First operand 744 states and 1075 transitions. Second operand 11 states. [2018-09-15 12:24:38,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:24:38,829 INFO L93 Difference]: Finished difference Result 1826 states and 3140 transitions. [2018-09-15 12:24:38,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 12:24:38,839 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 141 [2018-09-15 12:24:38,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:24:38,853 INFO L225 Difference]: With dead ends: 1826 [2018-09-15 12:24:38,853 INFO L226 Difference]: Without dead ends: 1426 [2018-09-15 12:24:38,857 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 94 SyntacticMatches, 37 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 12:24:38,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-09-15 12:24:38,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1423. [2018-09-15 12:24:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2018-09-15 12:24:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1772 transitions. [2018-09-15 12:24:38,939 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1772 transitions. Word has length 141 [2018-09-15 12:24:38,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:24:38,941 INFO L480 AbstractCegarLoop]: Abstraction has 1423 states and 1772 transitions. [2018-09-15 12:24:38,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 12:24:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1772 transitions. [2018-09-15 12:24:38,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-09-15 12:24:38,946 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:24:38,946 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:38,946 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:24:38,947 INFO L82 PathProgramCache]: Analyzing trace with hash 322339888, now seen corresponding path program 1 times [2018-09-15 12:24:38,947 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:24:38,947 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-09-15 12:24:38,948 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [904], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:24:38,954 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:24:38,955 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:24:42,333 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:24:51,081 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:24:51,081 INFO L272 AbstractInterpreter]: Visited 135 different actions 263 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:24:51,098 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:24:54,345 INFO L232 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 78.19% of their original sizes. [2018-09-15 12:24:54,346 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:24:55,466 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:24:55,467 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:24:55,467 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 12:24:55,467 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:24:55,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 12:24:55,469 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 12:24:55,469 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 12:24:55,470 INFO L87 Difference]: Start difference. First operand 1423 states and 1772 transitions. Second operand 11 states. [2018-09-15 12:25:19,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:25:19,724 INFO L93 Difference]: Finished difference Result 2505 states and 3837 transitions. [2018-09-15 12:25:19,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 12:25:19,728 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2018-09-15 12:25:19,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:25:19,744 INFO L225 Difference]: With dead ends: 2505 [2018-09-15 12:25:19,745 INFO L226 Difference]: Without dead ends: 2105 [2018-09-15 12:25:19,748 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 130 SyntacticMatches, 37 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 12:25:19,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2018-09-15 12:25:19,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 2102. [2018-09-15 12:25:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2102 states. [2018-09-15 12:25:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 2469 transitions. [2018-09-15 12:25:19,822 INFO L78 Accepts]: Start accepts. Automaton has 2102 states and 2469 transitions. Word has length 177 [2018-09-15 12:25:19,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:25:19,823 INFO L480 AbstractCegarLoop]: Abstraction has 2102 states and 2469 transitions. [2018-09-15 12:25:19,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 12:25:19,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2469 transitions. [2018-09-15 12:25:19,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-09-15 12:25:19,827 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:25:19,828 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:19,828 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:25:19,828 INFO L82 PathProgramCache]: Analyzing trace with hash 2119122281, now seen corresponding path program 1 times [2018-09-15 12:25:19,829 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:25:19,829 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-09-15 12:25:19,829 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1004], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:25:19,836 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:25:19,836 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:25:23,643 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:25:32,946 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:25:32,946 INFO L272 AbstractInterpreter]: Visited 160 different actions 313 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:25:32,954 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:25:35,843 INFO L232 lantSequenceWeakener]: Weakened 200 states. On average, predicates are now at 78.08% of their original sizes. [2018-09-15 12:25:35,844 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:25:37,019 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:25:37,020 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:25:37,020 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:25:37,020 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:25:37,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:25:37,021 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:25:37,022 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:25:37,022 INFO L87 Difference]: Start difference. First operand 2102 states and 2469 transitions. Second operand 12 states. [2018-09-15 12:25:50,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:25:50,471 INFO L93 Difference]: Finished difference Result 3184 states and 4534 transitions. [2018-09-15 12:25:50,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:25:50,472 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 202 [2018-09-15 12:25:50,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:25:50,487 INFO L225 Difference]: With dead ends: 3184 [2018-09-15 12:25:50,487 INFO L226 Difference]: Without dead ends: 2784 [2018-09-15 12:25:50,491 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 154 SyntacticMatches, 37 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:25:50,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2018-09-15 12:25:50,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2781. [2018-09-15 12:25:50,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2781 states. [2018-09-15 12:25:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3166 transitions. [2018-09-15 12:25:50,584 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3166 transitions. Word has length 202 [2018-09-15 12:25:50,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:25:50,585 INFO L480 AbstractCegarLoop]: Abstraction has 2781 states and 3166 transitions. [2018-09-15 12:25:50,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:25:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3166 transitions. [2018-09-15 12:25:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-09-15 12:25:50,590 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:25:50,590 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:50,591 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:25:50,591 INFO L82 PathProgramCache]: Analyzing trace with hash 2119583033, now seen corresponding path program 1 times [2018-09-15 12:25:50,591 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:25:50,591 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 243 with the following transitions: [2018-09-15 12:25:50,592 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1164], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:25:50,599 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:25:50,599 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:26:10,381 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:26:10,382 INFO L272 AbstractInterpreter]: Visited 200 different actions 393 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:26:10,412 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:26:14,210 INFO L232 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 77.94% of their original sizes. [2018-09-15 12:26:14,211 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:26:15,348 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:26:15,349 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:26:15,349 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 12:26:15,349 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:26:15,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 12:26:15,350 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 12:26:15,350 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-09-15 12:26:15,351 INFO L87 Difference]: Start difference. First operand 2781 states and 3166 transitions. Second operand 12 states. [2018-09-15 12:26:28,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:26:28,872 INFO L93 Difference]: Finished difference Result 3863 states and 5231 transitions. [2018-09-15 12:26:28,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 12:26:28,873 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 242 [2018-09-15 12:26:28,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:26:28,889 INFO L225 Difference]: With dead ends: 3863 [2018-09-15 12:26:28,889 INFO L226 Difference]: Without dead ends: 3463 [2018-09-15 12:26:28,893 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 249 GetRequests, 194 SyntacticMatches, 37 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-09-15 12:26:28,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3463 states. [2018-09-15 12:26:28,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3463 to 3460. [2018-09-15 12:26:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3460 states. [2018-09-15 12:26:29,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 3863 transitions. [2018-09-15 12:26:29,002 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 3863 transitions. Word has length 242 [2018-09-15 12:26:29,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:26:29,003 INFO L480 AbstractCegarLoop]: Abstraction has 3460 states and 3863 transitions. [2018-09-15 12:26:29,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 12:26:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 3863 transitions. [2018-09-15 12:26:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-09-15 12:26:29,009 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:26:29,009 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 12:26:29,009 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:26:29,010 INFO L82 PathProgramCache]: Analyzing trace with hash -253447379, now seen corresponding path program 1 times [2018-09-15 12:26:29,010 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:26:29,010 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 270 with the following transitions: [2018-09-15 12:26:29,011 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [904], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:26:29,014 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:26:29,015 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:26:30,827 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 12:26:54,361 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:26:54,361 INFO L272 AbstractInterpreter]: Visited 136 different actions 665 times. Merged at 7 different actions 29 times. Never widened. Found 6 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:26:54,367 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 12:26:56,487 INFO L232 lantSequenceWeakener]: Weakened 267 states. On average, predicates are now at 77.92% of their original sizes. [2018-09-15 12:26:56,487 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:26:57,456 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 12:26:57,456 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 12:26:57,457 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 12:26:57,457 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 12:26:57,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 12:26:57,458 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 12:26:57,458 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-15 12:26:57,459 INFO L87 Difference]: Start difference. First operand 3460 states and 3863 transitions. Second operand 11 states. [2018-09-15 12:27:13,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 12:27:13,901 INFO L93 Difference]: Finished difference Result 4496 states and 5839 transitions. [2018-09-15 12:27:13,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-15 12:27:13,901 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 269 [2018-09-15 12:27:13,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 12:27:13,922 INFO L225 Difference]: With dead ends: 4496 [2018-09-15 12:27:13,923 INFO L226 Difference]: Without dead ends: 4096 [2018-09-15 12:27:13,927 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 278 GetRequests, 222 SyntacticMatches, 37 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2018-09-15 12:27:13,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2018-09-15 12:27:14,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 3814. [2018-09-15 12:27:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3814 states. [2018-09-15 12:27:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 4252 transitions. [2018-09-15 12:27:14,070 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 4252 transitions. Word has length 269 [2018-09-15 12:27:14,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 12:27:14,071 INFO L480 AbstractCegarLoop]: Abstraction has 3814 states and 4252 transitions. [2018-09-15 12:27:14,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 12:27:14,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 4252 transitions. [2018-09-15 12:27:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-09-15 12:27:14,078 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 12:27:14,078 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:14,079 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 12:27:14,079 INFO L82 PathProgramCache]: Analyzing trace with hash -2135368688, now seen corresponding path program 1 times [2018-09-15 12:27:14,079 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 12:27:14,079 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2018-09-15 12:27:14,080 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-09-15 12:27:14,086 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 12:27:14,087 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 12:27:46,729 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 12:27:46,729 INFO L272 AbstractInterpreter]: Visited 247 different actions 488 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 12:27:46,765 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-09-15 12:27:52,337 INFO L232 lantSequenceWeakener]: Weakened 287 states. On average, predicates are now at 77.83% of their original sizes. [2018-09-15 12:27:52,337 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 12:27:52,353 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 12:27:52,358 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 12:27:52,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 12:27:52 BoogieIcfgContainer [2018-09-15 12:27:52,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 12:27:52,360 INFO L168 Benchmark]: Toolchain (without parser) took 242898.98 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.2 GB in the end (delta: -1.8 GB). Peak memory consumption was 951.7 MB. Max. memory is 7.1 GB. [2018-09-15 12:27:52,362 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 12:27:52,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1133.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-09-15 12:27:52,364 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-15 12:27:52,364 INFO L168 Benchmark]: Boogie Preprocessor took 524.35 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 837.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -971.8 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2018-09-15 12:27:52,365 INFO L168 Benchmark]: RCFGBuilder took 7622.07 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 266.0 MB). Peak memory consumption was 266.0 MB. Max. memory is 7.1 GB. [2018-09-15 12:27:52,366 INFO L168 Benchmark]: TraceAbstraction took 233407.56 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 693.3 MB. Max. memory is 7.1 GB. [2018-09-15 12:27:52,372 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1133.07 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 205.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 524.35 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 837.3 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -971.8 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7622.07 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 266.0 MB). Peak memory consumption was 266.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233407.56 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 693.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 133]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 133). Cancelled while BasicCegarLoop was analyzing trace of length 290 with TraceHistMax 2, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 233.3s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 89.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2434 SDtfs, 10653 SDslu, 1432 SDs, 0 SdLazy, 19097 SolverSat, 3564 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 81.1s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 1114 GetRequests, 838 SyntacticMatches, 185 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1870 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3814occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 114.8s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.9952461069225096 AbsIntWeakeningRatio, 0.1027900146842878 AbsIntAvgWeakeningVarsNumRemoved, 112.33406754772393 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 296 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label16_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_12-27-52-386.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem16_label16_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_12-27-52-386.csv Completed graceful shutdown