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/Problem10_label20_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 05:28:45,231 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 05:28:45,233 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 05:28:45,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 05:28:45,246 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 05:28:45,247 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 05:28:45,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 05:28:45,255 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 05:28:45,257 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 05:28:45,259 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 05:28:45,260 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 05:28:45,262 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 05:28:45,263 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 05:28:45,264 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 05:28:45,265 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 05:28:45,273 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 05:28:45,274 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 05:28:45,278 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 05:28:45,283 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 05:28:45,284 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 05:28:45,285 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 05:28:45,290 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 05:28:45,296 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 05:28:45,296 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 05:28:45,296 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 05:28:45,299 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 05:28:45,300 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 05:28:45,301 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 05:28:45,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 05:28:45,306 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 05:28:45,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 05:28:45,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 05:28:45,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 05:28:45,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 05:28:45,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 05:28:45,312 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 05:28:45,312 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 [2018-08-08 05:28:45,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 05:28:45,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 05:28:45,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 05:28:45,348 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 05:28:45,348 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 05:28:45,348 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 05:28:45,348 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 05:28:45,349 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 05:28:45,349 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 05:28:45,349 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 05:28:45,349 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 05:28:45,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 05:28:45,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 05:28:45,351 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 05:28:45,351 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 05:28:45,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 05:28:45,352 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 05:28:45,352 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 05:28:45,352 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 05:28:45,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 05:28:45,352 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 05:28:45,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 05:28:45,353 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 05:28:45,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 05:28:45,353 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 05:28:45,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 05:28:45,355 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 05:28:45,355 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 05:28:45,355 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 05:28:45,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 05:28:45,355 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 05:28:45,356 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 05:28:45,356 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 05:28:45,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 05:28:45,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 05:28:45,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 05:28:45,437 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 05:28:45,437 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 05:28:45,438 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label20_true-unreach-call.c [2018-08-08 05:28:45,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f38ec2f/af7aa0dc0c694d79bfee3fb79e24f891/FLAG8212e5301 [2018-08-08 05:28:46,085 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 05:28:46,086 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label20_true-unreach-call.c [2018-08-08 05:28:46,102 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f38ec2f/af7aa0dc0c694d79bfee3fb79e24f891/FLAG8212e5301 [2018-08-08 05:28:46,119 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f38ec2f/af7aa0dc0c694d79bfee3fb79e24f891 [2018-08-08 05:28:46,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 05:28:46,133 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 05:28:46,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 05:28:46,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 05:28:46,143 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 05:28:46,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:46,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5277a7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46, skipping insertion in model container [2018-08-08 05:28:46,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:46,379 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 05:28:46,665 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 05:28:46,682 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 05:28:46,863 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 05:28:46,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46 WrapperNode [2018-08-08 05:28:46,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 05:28:46,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 05:28:46,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 05:28:46,921 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 05:28:46,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:46,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:47,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 05:28:47,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 05:28:47,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 05:28:47,044 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 05:28:47,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:47,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:47,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:47,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:47,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:47,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:47,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (1/1) ... [2018-08-08 05:28:47,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 05:28:47,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 05:28:47,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 05:28:47,371 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 05:28:47,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (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 [2018-08-08 05:28:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 05:28:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 05:28:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 05:28:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 05:28:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 05:28:47,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 05:28:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 05:28:47,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 05:28:50,737 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 05:28:50,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:28:50 BoogieIcfgContainer [2018-08-08 05:28:50,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 05:28:50,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 05:28:50,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 05:28:50,744 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 05:28:50,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 05:28:46" (1/3) ... [2018-08-08 05:28:50,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf3b12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:28:50, skipping insertion in model container [2018-08-08 05:28:50,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:46" (2/3) ... [2018-08-08 05:28:50,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf3b12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:28:50, skipping insertion in model container [2018-08-08 05:28:50,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:28:50" (3/3) ... [2018-08-08 05:28:50,749 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label20_true-unreach-call.c [2018-08-08 05:28:50,759 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 05:28:50,778 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 05:28:50,825 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 05:28:50,826 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 05:28:50,826 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 05:28:50,827 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 05:28:50,827 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 05:28:50,827 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 05:28:50,827 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 05:28:50,827 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 05:28:50,828 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 05:28:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-08-08 05:28:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-08-08 05:28:50,867 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:28:50,868 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] [2018-08-08 05:28:50,870 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:28:50,875 INFO L82 PathProgramCache]: Analyzing trace with hash -2089647903, now seen corresponding path program 1 times [2018-08-08 05:28:50,878 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:28:50,879 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 36 with the following transitions: [2018-08-08 05:28:50,882 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [796], [800], [806], [810], [817], [818], [819], [821] [2018-08-08 05:28:50,937 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:28:50,938 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:28:52,121 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:28:52,123 INFO L272 AbstractInterpreter]: Visited 34 different actions 34 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-08-08 05:28:52,140 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:28:52,724 INFO L232 lantSequenceWeakener]: Weakened 33 states. On average, predicates are now at 74.9% of their original sizes. [2018-08-08 05:28:52,724 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:28:53,091 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:28:53,093 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:28:53,093 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 05:28:53,093 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:28:53,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 05:28:53,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 05:28:53,108 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 05:28:53,111 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-08-08 05:28:57,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:28:57,333 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-08-08 05:28:57,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 05:28:57,335 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-08-08 05:28:57,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:28:57,354 INFO L225 Difference]: With dead ends: 576 [2018-08-08 05:28:57,354 INFO L226 Difference]: Without dead ends: 358 [2018-08-08 05:28:57,361 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 05:28:57,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-08-08 05:28:57,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-08-08 05:28:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-08-08 05:28:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-08-08 05:28:57,454 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 35 [2018-08-08 05:28:57,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:28:57,455 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-08-08 05:28:57,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 05:28:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-08-08 05:28:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-08-08 05:28:57,463 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:28:57,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:28:57,464 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:28:57,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1738863731, now seen corresponding path program 1 times [2018-08-08 05:28:57,467 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:28:57,468 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 107 with the following transitions: [2018-08-08 05:28:57,468 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:28:57,481 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:28:57,481 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:28:59,505 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:29:05,986 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:29:05,987 INFO L272 AbstractInterpreter]: Visited 78 different actions 150 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 05:29:06,008 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:29:09,707 INFO L232 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 73.55% of their original sizes. [2018-08-08 05:29:09,707 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:29:11,642 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:29:11,643 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:29:11,643 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-08-08 05:29:11,643 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:29:11,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-08-08 05:29:11,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-08-08 05:29:11,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-08-08 05:29:11,646 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-08-08 05:29:24,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:29:24,543 INFO L93 Difference]: Finished difference Result 711 states and 1126 transitions. [2018-08-08 05:29:24,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-08-08 05:29:24,547 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2018-08-08 05:29:24,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:29:24,552 INFO L225 Difference]: With dead ends: 711 [2018-08-08 05:29:24,552 INFO L226 Difference]: Without dead ends: 505 [2018-08-08 05:29:24,555 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 74 SyntacticMatches, 23 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-08-08 05:29:24,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-08-08 05:29:24,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 502. [2018-08-08 05:29:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2018-08-08 05:29:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 655 transitions. [2018-08-08 05:29:24,602 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 655 transitions. Word has length 106 [2018-08-08 05:29:24,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:29:24,603 INFO L480 AbstractCegarLoop]: Abstraction has 502 states and 655 transitions. [2018-08-08 05:29:24,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-08-08 05:29:24,603 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 655 transitions. [2018-08-08 05:29:24,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-08-08 05:29:24,607 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:29:24,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:29:24,608 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:29:24,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1902115116, now seen corresponding path program 1 times [2018-08-08 05:29:24,609 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:29:24,609 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 116 with the following transitions: [2018-08-08 05:29:24,610 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:29:24,617 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:29:24,617 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:29:31,299 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:29:31,299 INFO L272 AbstractInterpreter]: Visited 87 different actions 167 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 05:29:31,344 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:29:34,187 INFO L232 lantSequenceWeakener]: Weakened 113 states. On average, predicates are now at 73.48% of their original sizes. [2018-08-08 05:29:34,188 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:29:36,005 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:29:36,006 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:29:36,006 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-08-08 05:29:36,006 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:29:36,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-08-08 05:29:36,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-08-08 05:29:36,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-08-08 05:29:36,008 INFO L87 Difference]: Start difference. First operand 502 states and 655 transitions. Second operand 11 states. [2018-08-08 05:29:50,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:29:50,138 INFO L93 Difference]: Finished difference Result 1002 states and 1569 transitions. [2018-08-08 05:29:50,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-08-08 05:29:50,141 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 115 [2018-08-08 05:29:50,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:29:50,147 INFO L225 Difference]: With dead ends: 1002 [2018-08-08 05:29:50,147 INFO L226 Difference]: Without dead ends: 796 [2018-08-08 05:29:50,149 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 82 SyntacticMatches, 23 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-08-08 05:29:50,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-08-08 05:29:50,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 793. [2018-08-08 05:29:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-08-08 05:29:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 962 transitions. [2018-08-08 05:29:50,195 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 962 transitions. Word has length 115 [2018-08-08 05:29:50,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:29:50,196 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 962 transitions. [2018-08-08 05:29:50,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-08-08 05:29:50,196 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 962 transitions. [2018-08-08 05:29:50,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-08-08 05:29:50,202 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:29:50,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:29:50,203 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:29:50,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1519322676, now seen corresponding path program 1 times [2018-08-08 05:29:50,204 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:29:50,204 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-08-08 05:29:50,204 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:29:50,210 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:29:50,210 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:29:53,841 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:30:06,225 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:30:06,226 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 05:30:06,236 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:30:10,478 INFO L232 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 73.3% of their original sizes. [2018-08-08 05:30:10,478 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:30:12,356 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:30:12,356 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:30:12,357 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 05:30:12,357 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:30:12,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 05:30:12,358 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 05:30:12,358 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 05:30:12,359 INFO L87 Difference]: Start difference. First operand 793 states and 962 transitions. Second operand 12 states. [2018-08-08 05:30:28,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:30:28,700 INFO L93 Difference]: Finished difference Result 1150 states and 1593 transitions. [2018-08-08 05:30:28,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 05:30:28,701 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2018-08-08 05:30:28,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:30:28,710 INFO L225 Difference]: With dead ends: 1150 [2018-08-08 05:30:28,710 INFO L226 Difference]: Without dead ends: 944 [2018-08-08 05:30:28,713 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 117 SyntacticMatches, 23 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-08-08 05:30:28,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2018-08-08 05:30:28,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 939. [2018-08-08 05:30:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-08-08 05:30:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1120 transitions. [2018-08-08 05:30:28,762 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1120 transitions. Word has length 151 [2018-08-08 05:30:28,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:30:28,763 INFO L480 AbstractCegarLoop]: Abstraction has 939 states and 1120 transitions. [2018-08-08 05:30:28,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 05:30:28,763 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1120 transitions. [2018-08-08 05:30:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-08-08 05:30:28,766 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:30:28,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:30:28,767 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:30:28,767 INFO L82 PathProgramCache]: Analyzing trace with hash 729487603, now seen corresponding path program 1 times [2018-08-08 05:30:28,767 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:30:28,768 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-08-08 05:30:28,768 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:30:28,774 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:30:28,774 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:30:56,529 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:30:56,529 INFO L272 AbstractInterpreter]: Visited 142 different actions 549 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 05:30:56,566 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:30:58,631 INFO L232 lantSequenceWeakener]: Weakened 168 states. On average, predicates are now at 73.23% of their original sizes. [2018-08-08 05:30:58,632 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:30:59,715 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:30:59,715 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:30:59,716 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-08-08 05:30:59,716 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:30:59,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-08-08 05:30:59,717 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-08-08 05:30:59,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-08-08 05:30:59,717 INFO L87 Difference]: Start difference. First operand 939 states and 1120 transitions. Second operand 15 states. [2018-08-08 05:31:14,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:31:14,190 INFO L93 Difference]: Finished difference Result 1301 states and 1760 transitions. [2018-08-08 05:31:14,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-08-08 05:31:14,194 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 170 [2018-08-08 05:31:14,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:31:14,200 INFO L225 Difference]: With dead ends: 1301 [2018-08-08 05:31:14,201 INFO L226 Difference]: Without dead ends: 1095 [2018-08-08 05:31:14,202 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2018-08-08 05:31:14,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2018-08-08 05:31:14,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1089. [2018-08-08 05:31:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2018-08-08 05:31:14,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1286 transitions. [2018-08-08 05:31:14,259 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1286 transitions. Word has length 170 [2018-08-08 05:31:14,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:31:14,260 INFO L480 AbstractCegarLoop]: Abstraction has 1089 states and 1286 transitions. [2018-08-08 05:31:14,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-08-08 05:31:14,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1286 transitions. [2018-08-08 05:31:14,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-08-08 05:31:14,263 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:31:14,263 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:31:14,264 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:31:14,264 INFO L82 PathProgramCache]: Analyzing trace with hash -646510720, now seen corresponding path program 1 times [2018-08-08 05:31:14,264 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:31:14,264 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-08-08 05:31:14,265 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:31:14,270 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:31:14,270 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:31:32,483 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:31:32,484 INFO L272 AbstractInterpreter]: Visited 145 different actions 284 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 05:31:32,490 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:31:36,864 INFO L232 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 73.22% of their original sizes. [2018-08-08 05:31:36,864 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:31:38,638 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:31:38,639 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:31:38,639 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-08-08 05:31:38,639 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:31:38,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-08-08 05:31:38,641 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-08-08 05:31:38,641 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-08-08 05:31:38,641 INFO L87 Difference]: Start difference. First operand 1089 states and 1286 transitions. Second operand 14 states. [2018-08-08 05:31:46,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:31:46,958 INFO L93 Difference]: Finished difference Result 1594 states and 2078 transitions. [2018-08-08 05:31:46,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-08-08 05:31:46,960 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 173 [2018-08-08 05:31:46,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:31:46,969 INFO L225 Difference]: With dead ends: 1594 [2018-08-08 05:31:46,969 INFO L226 Difference]: Without dead ends: 1238 [2018-08-08 05:31:46,971 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 137 SyntacticMatches, 23 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2018-08-08 05:31:46,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-08-08 05:31:47,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1235. [2018-08-08 05:31:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2018-08-08 05:31:47,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1444 transitions. [2018-08-08 05:31:47,037 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1444 transitions. Word has length 173 [2018-08-08 05:31:47,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:31:47,038 INFO L480 AbstractCegarLoop]: Abstraction has 1235 states and 1444 transitions. [2018-08-08 05:31:47,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-08-08 05:31:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1444 transitions. [2018-08-08 05:31:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-08-08 05:31:47,041 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:31:47,042 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, 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] [2018-08-08 05:31:47,042 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:31:47,042 INFO L82 PathProgramCache]: Analyzing trace with hash 103291638, now seen corresponding path program 1 times [2018-08-08 05:31:47,043 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:31:47,043 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-08-08 05:31:47,043 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:31:47,046 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:31:47,046 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:31:48,504 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:32:00,471 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:32:00,471 INFO L272 AbstractInterpreter]: Visited 84 different actions 244 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-08-08 05:32:00,477 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:32:04,175 INFO L232 lantSequenceWeakener]: Weakened 180 states. On average, predicates are now at 73.26% of their original sizes. [2018-08-08 05:32:04,175 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:32:05,443 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:32:05,443 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:32:05,444 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-08-08 05:32:05,444 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:32:05,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-08-08 05:32:05,445 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-08-08 05:32:05,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-08-08 05:32:05,446 INFO L87 Difference]: Start difference. First operand 1235 states and 1444 transitions. Second operand 10 states. [2018-08-08 05:32:14,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:32:14,452 INFO L93 Difference]: Finished difference Result 1749 states and 2252 transitions. [2018-08-08 05:32:14,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-08-08 05:32:14,456 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 182 [2018-08-08 05:32:14,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:32:14,463 INFO L225 Difference]: With dead ends: 1749 [2018-08-08 05:32:14,463 INFO L226 Difference]: Without dead ends: 1393 [2018-08-08 05:32:14,465 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 150 SyntacticMatches, 23 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-08-08 05:32:14,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2018-08-08 05:32:14,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1383. [2018-08-08 05:32:14,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1383 states. [2018-08-08 05:32:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1610 transitions. [2018-08-08 05:32:14,533 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1610 transitions. Word has length 182 [2018-08-08 05:32:14,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:32:14,534 INFO L480 AbstractCegarLoop]: Abstraction has 1383 states and 1610 transitions. [2018-08-08 05:32:14,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-08-08 05:32:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1610 transitions. [2018-08-08 05:32:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-08-08 05:32:14,537 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:32:14,538 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, 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] [2018-08-08 05:32:14,538 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:32:14,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1469613890, now seen corresponding path program 1 times [2018-08-08 05:32:14,538 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:32:14,539 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-08-08 05:32:14,539 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:32:14,541 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:32:14,542 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:32:16,041 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:32:36,491 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:32:36,491 INFO L272 AbstractInterpreter]: Visited 88 different actions 510 times. Merged at 7 different actions 37 times. Widened at 1 different actions 1 times. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-08-08 05:32:36,500 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:32:37,907 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 73.22% of their original sizes. [2018-08-08 05:32:37,907 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:32:39,012 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:32:39,012 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:32:39,012 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-08-08 05:32:39,012 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:32:39,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-08-08 05:32:39,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-08-08 05:32:39,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-08-08 05:32:39,013 INFO L87 Difference]: Start difference. First operand 1383 states and 1610 transitions. Second operand 14 states. [2018-08-08 05:32:53,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:32:53,621 INFO L93 Difference]: Finished difference Result 2694 states and 3600 transitions. [2018-08-08 05:32:53,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-08-08 05:32:53,623 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 186 [2018-08-08 05:32:53,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:32:53,634 INFO L225 Difference]: With dead ends: 2694 [2018-08-08 05:32:53,634 INFO L226 Difference]: Without dead ends: 2190 [2018-08-08 05:32:53,637 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 198 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2018-08-08 05:32:53,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2018-08-08 05:32:53,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 2090. [2018-08-08 05:32:53,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2090 states. [2018-08-08 05:32:53,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 2462 transitions. [2018-08-08 05:32:53,741 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 2462 transitions. Word has length 186 [2018-08-08 05:32:53,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:32:53,741 INFO L480 AbstractCegarLoop]: Abstraction has 2090 states and 2462 transitions. [2018-08-08 05:32:53,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-08-08 05:32:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2462 transitions. [2018-08-08 05:32:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-08-08 05:32:53,747 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:32:53,747 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:32:53,748 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 05:32:53,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1753826539, now seen corresponding path program 1 times [2018-08-08 05:32:53,748 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:32:53,749 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 220 with the following transitions: [2018-08-08 05:32:53,749 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [181], [183], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 05:32:53,753 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:32:53,754 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:32:55,432 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-08-08 05:33:00,693 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-08-08 05:33:00,695 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-08-08 05:33:00,696 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-08-08 05:33:00,732 WARN L205 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-08-08 05:33:00,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 05:33:00 BoogieIcfgContainer [2018-08-08 05:33:00,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 05:33:00,734 INFO L168 Benchmark]: Toolchain (without parser) took 254602.29 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 2.1 GB in the end (delta: -654.0 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-08-08 05:33:00,736 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-08-08 05:33:00,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.32 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-08-08 05:33:00,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.47 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. [2018-08-08 05:33:00,738 INFO L168 Benchmark]: Boogie Preprocessor took 326.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -872.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2018-08-08 05:33:00,739 INFO L168 Benchmark]: RCFGBuilder took 3368.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 129.0 MB). Peak memory consumption was 129.0 MB. Max. memory is 7.1 GB. [2018-08-08 05:33:00,740 INFO L168 Benchmark]: TraceAbstraction took 249992.61 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 37.1 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-08-08 05:33:00,745 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 784.32 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 122.47 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 Preprocessor took 326.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -872.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3368.08 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.1 GB in the end (delta: 129.0 MB). Peak memory consumption was 129.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249992.61 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 37.1 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 88]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L7] int inputC = 3; [L8] int inputD = 4; [L9] int inputE = 5; [L10] int inputF = 6; [L11] int inputB = 2; [L14] int a1 = 23; [L15] int a19 = 9; [L16] int a10 = 0; [L17] int a12 = 0; [L18] int a4 = 14; [L579] int output = -1; [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND TRUE ((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0))) [L211] a1 = (((a1 + -15535) - 211896) / 5) [L212] a10 = 2 [L214] RET return 22; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL, EXPR calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L90] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L93] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L96] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L99] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L102] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L105] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L108] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L111] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L114] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L117] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L120] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L123] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L126] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L129] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L132] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L135] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L138] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L141] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L144] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L147] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L150] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L153] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L156] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L159] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L162] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L165] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L168] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L171] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L174] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L177] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L180] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L183] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L186] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L189] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L192] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L195] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L198] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L201] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L205] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L210] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L215] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L220] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L225] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L231] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L236] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L239] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L244] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L249] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L254] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L260] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L265] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L271] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L277] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L283] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L286] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L291] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L296] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L301] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L306] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L312] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L317] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L320] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L323] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L326] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L329] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L335] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L340] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L345] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L351] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L354] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L357] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L360] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L365] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L370] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L375] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L378] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L383] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L388] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L393] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L398] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L403] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L408] COND TRUE ((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2)))) [L409] a1 = ((((a1 % 299890)+ 300108) * 1) * 1) [L410] a10 = 0 [L411] a19 = 8 [L413] RET return -1; [L590] EXPR calculate_output(input) [L590] output = calculate_output(input) [L582] COND TRUE 1 [L585] int input; [L586] input = __VERIFIER_nondet_int() [L587] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L590] CALL calculate_output(input) [L21] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L24] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L27] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L30] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L33] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L36] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L39] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L42] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L45] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L48] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L51] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L54] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L57] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L60] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L63] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L66] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L69] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L72] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L75] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L78] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L81] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L84] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L87] COND TRUE (((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7)) [L88] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 249.9s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 94.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1646 SDtfs, 6292 SDslu, 3382 SDs, 0 SdLazy, 17057 SolverSat, 1539 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 84.3s Time, PredicateUnifierStatistics: 16 DeclaredPredicates, 1178 GetRequests, 919 SyntacticMatches, 115 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1384 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2090occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 120.9s AbstIntTime, 9 AbstIntIterations, 8 AbstIntStrong, 0.9931043691913255 AbsIntWeakeningRatio, 0.14954954954954955 AbsIntAvgWeakeningVarsNumRemoved, 200.3108108108108 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 132 StatesRemovedByMinimization, 8 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: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label20_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_05-33-00-760.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label20_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_05-33-00-760.csv Completed graceful shutdown