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_label18_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 05:28:24,189 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 05:28:24,191 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 05:28:24,204 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 05:28:24,204 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 05:28:24,206 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 05:28:24,207 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 05:28:24,208 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 05:28:24,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 05:28:24,214 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 05:28:24,215 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 05:28:24,215 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 05:28:24,216 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 05:28:24,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 05:28:24,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 05:28:24,219 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 05:28:24,220 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 05:28:24,222 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 05:28:24,224 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 05:28:24,225 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 05:28:24,226 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 05:28:24,227 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 05:28:24,230 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 05:28:24,230 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 05:28:24,231 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 05:28:24,231 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 05:28:24,232 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 05:28:24,233 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 05:28:24,234 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 05:28:24,235 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 05:28:24,236 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 05:28:24,236 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 05:28:24,237 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 05:28:24,237 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 05:28:24,238 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 05:28:24,239 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 05:28:24,239 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 05:28:24,260 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 05:28:24,260 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 05:28:24,261 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 05:28:24,261 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 05:28:24,265 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 05:28:24,265 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 05:28:24,265 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 05:28:24,266 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-08-08 05:28:24,266 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 05:28:24,266 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 05:28:24,266 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 05:28:24,267 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 05:28:24,268 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 05:28:24,268 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 05:28:24,268 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 05:28:24,268 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 05:28:24,268 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 05:28:24,270 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 05:28:24,270 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 05:28:24,271 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 05:28:24,271 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 05:28:24,271 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 05:28:24,271 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 05:28:24,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 05:28:24,272 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 05:28:24,272 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 05:28:24,272 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 05:28:24,273 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 05:28:24,273 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 05:28:24,273 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 05:28:24,273 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 05:28:24,274 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 05:28:24,274 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 05:28:24,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 05:28:24,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 05:28:24,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 05:28:24,346 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 05:28:24,346 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 05:28:24,347 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-08-08 05:28:24,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1cac37e9/3fab9561ee5e4344a8415ca0787406e3/FLAGc8804bd3a [2018-08-08 05:28:25,006 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 05:28:25,007 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-08-08 05:28:25,030 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1cac37e9/3fab9561ee5e4344a8415ca0787406e3/FLAGc8804bd3a [2018-08-08 05:28:25,053 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1cac37e9/3fab9561ee5e4344a8415ca0787406e3 [2018-08-08 05:28:25,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 05:28:25,070 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 05:28:25,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 05:28:25,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 05:28:25,084 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 05:28:25,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:25,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415daaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25, skipping insertion in model container [2018-08-08 05:28:25,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:25,312 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 05:28:25,616 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 05:28:25,636 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 05:28:25,781 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 05:28:25,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25 WrapperNode [2018-08-08 05:28:25,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 05:28:25,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 05:28:25,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 05:28:25,828 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 05:28:25,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:25,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:25,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 05:28:25,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 05:28:25,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 05:28:25,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 05:28:25,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:25,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:25,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:25,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:26,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:26,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:26,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (1/1) ... [2018-08-08 05:28:26,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 05:28:26,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 05:28:26,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 05:28:26,070 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 05:28:26,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (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 05:28:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 05:28:26,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 05:28:26,315 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 05:28:26,315 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 05:28:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 05:28:26,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 05:28:26,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 05:28:26,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 05:28:29,759 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 05:28:29,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:28:29 BoogieIcfgContainer [2018-08-08 05:28:29,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 05:28:29,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 05:28:29,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 05:28:29,776 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 05:28:29,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 05:28:25" (1/3) ... [2018-08-08 05:28:29,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db9f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:28:29, skipping insertion in model container [2018-08-08 05:28:29,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 05:28:25" (2/3) ... [2018-08-08 05:28:29,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db9f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 05:28:29, skipping insertion in model container [2018-08-08 05:28:29,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 05:28:29" (3/3) ... [2018-08-08 05:28:29,786 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label18_true-unreach-call.c [2018-08-08 05:28:29,804 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 05:28:29,821 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 05:28:29,901 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 05:28:29,903 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 05:28:29,903 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 05:28:29,903 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 05:28:29,903 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 05:28:29,904 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 05:28:29,904 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 05:28:29,904 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 05:28:29,904 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 05:28:29,944 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-08-08 05:28:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-08-08 05:28:29,960 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:28:29,961 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:28:29,963 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 05:28:29,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1094917127, now seen corresponding path program 1 times [2018-08-08 05:28:29,975 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:28:29,976 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 66 with the following transitions: [2018-08-08 05:28:29,979 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], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [796], [800], [806], [810], [817], [818], [819], [821] [2018-08-08 05:28:30,063 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:28:30,064 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:28:32,136 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:28:32,138 INFO L272 AbstractInterpreter]: Visited 64 different actions 64 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-08-08 05:28:32,191 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:28:33,195 INFO L232 lantSequenceWeakener]: Weakened 63 states. On average, predicates are now at 76.03% of their original sizes. [2018-08-08 05:28:33,195 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:28:33,545 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:28:33,549 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:28:33,549 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 05:28:33,549 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:28:33,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 05:28:33,566 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 05:28:33,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 05:28:33,570 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-08-08 05:28:38,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:28:38,970 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-08-08 05:28:38,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 05:28:38,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-08-08 05:28:38,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:28:38,989 INFO L225 Difference]: With dead ends: 576 [2018-08-08 05:28:38,990 INFO L226 Difference]: Without dead ends: 358 [2018-08-08 05:28:38,996 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 64 GetRequests, 60 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 05:28:39,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-08-08 05:28:39,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-08-08 05:28:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-08-08 05:28:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-08-08 05:28:39,074 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 65 [2018-08-08 05:28:39,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:28:39,075 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-08-08 05:28:39,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 05:28:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-08-08 05:28:39,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-08-08 05:28:39,084 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:28:39,084 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:28:39,085 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 05:28:39,085 INFO L82 PathProgramCache]: Analyzing trace with hash 175335915, now seen corresponding path program 1 times [2018-08-08 05:28:39,085 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:28:39,087 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-08-08 05:28:39,088 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], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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 05:28:39,098 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:28:39,099 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:28:41,522 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:28:48,660 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:28:48,660 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 05:28:48,699 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:28:53,417 INFO L232 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 74.38% of their original sizes. [2018-08-08 05:28:53,418 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:28:56,517 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:28:56,518 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:28:56,518 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-08-08 05:28:56,518 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:28:56,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-08-08 05:28:56,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-08-08 05:28:56,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-08-08 05:28:56,521 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-08-08 05:29:03,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:29:03,923 INFO L93 Difference]: Finished difference Result 711 states and 1126 transitions. [2018-08-08 05:29:03,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-08-08 05:29:03,927 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-08-08 05:29:03,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:29:03,938 INFO L225 Difference]: With dead ends: 711 [2018-08-08 05:29:03,939 INFO L226 Difference]: Without dead ends: 505 [2018-08-08 05:29:03,942 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 142 GetRequests, 74 SyntacticMatches, 53 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-08-08 05:29:03,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-08-08 05:29:03,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 502. [2018-08-08 05:29:03,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2018-08-08 05:29:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 655 transitions. [2018-08-08 05:29:03,984 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 655 transitions. Word has length 136 [2018-08-08 05:29:03,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:29:03,985 INFO L480 AbstractCegarLoop]: Abstraction has 502 states and 655 transitions. [2018-08-08 05:29:03,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-08-08 05:29:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 655 transitions. [2018-08-08 05:29:03,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-08-08 05:29:03,993 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:29:03,993 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-08 05:29:03,994 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 05:29:03,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1516340516, now seen corresponding path program 1 times [2018-08-08 05:29:03,994 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:29:03,995 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-08-08 05:29:03,995 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], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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 05:29:04,000 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:29:04,000 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:29:10,006 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:29:10,006 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 05:29:10,012 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:29:12,605 INFO L232 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 74.28% of their original sizes. [2018-08-08 05:29:12,606 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:29:14,363 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:29:14,364 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:29:14,364 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-08-08 05:29:14,364 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:29:14,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-08-08 05:29:14,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-08-08 05:29:14,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-08-08 05:29:14,367 INFO L87 Difference]: Start difference. First operand 502 states and 655 transitions. Second operand 11 states. [2018-08-08 05:29:29,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:29:29,091 INFO L93 Difference]: Finished difference Result 1002 states and 1569 transitions. [2018-08-08 05:29:29,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-08-08 05:29:29,092 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 145 [2018-08-08 05:29:29,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:29:29,103 INFO L225 Difference]: With dead ends: 1002 [2018-08-08 05:29:29,104 INFO L226 Difference]: Without dead ends: 796 [2018-08-08 05:29:29,106 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 82 SyntacticMatches, 53 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-08-08 05:29:29,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-08-08 05:29:29,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 793. [2018-08-08 05:29:29,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-08-08 05:29:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 962 transitions. [2018-08-08 05:29:29,171 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 962 transitions. Word has length 145 [2018-08-08 05:29:29,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:29:29,172 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 962 transitions. [2018-08-08 05:29:29,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-08-08 05:29:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 962 transitions. [2018-08-08 05:29:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-08-08 05:29:29,178 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:29:29,179 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-08 05:29:29,179 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 05:29:29,180 INFO L82 PathProgramCache]: Analyzing trace with hash 349537324, now seen corresponding path program 1 times [2018-08-08 05:29:29,180 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:29:29,180 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-08-08 05:29:29,180 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], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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 05:29:29,187 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:29:29,187 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:29:33,548 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:29:45,590 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:29:45,590 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 05:29:45,593 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:29:50,638 INFO L232 lantSequenceWeakener]: Weakened 179 states. On average, predicates are now at 73.96% of their original sizes. [2018-08-08 05:29:50,638 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:29:53,110 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:29:53,110 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:29:53,110 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-08-08 05:29:53,111 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:29:53,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-08-08 05:29:53,112 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-08-08 05:29:53,112 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-08-08 05:29:53,113 INFO L87 Difference]: Start difference. First operand 793 states and 962 transitions. Second operand 12 states. [2018-08-08 05:30:05,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:30:05,454 INFO L93 Difference]: Finished difference Result 1150 states and 1593 transitions. [2018-08-08 05:30:05,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 05:30:05,455 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 181 [2018-08-08 05:30:05,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:30:05,462 INFO L225 Difference]: With dead ends: 1150 [2018-08-08 05:30:05,462 INFO L226 Difference]: Without dead ends: 944 [2018-08-08 05:30:05,464 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 117 SyntacticMatches, 53 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-08-08 05:30:05,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2018-08-08 05:30:05,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 939. [2018-08-08 05:30:05,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-08-08 05:30:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1120 transitions. [2018-08-08 05:30:05,509 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1120 transitions. Word has length 181 [2018-08-08 05:30:05,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:30:05,510 INFO L480 AbstractCegarLoop]: Abstraction has 939 states and 1120 transitions. [2018-08-08 05:30:05,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-08-08 05:30:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1120 transitions. [2018-08-08 05:30:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-08-08 05:30:05,515 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:30:05,516 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-08 05:30:05,516 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 05:30:05,517 INFO L82 PathProgramCache]: Analyzing trace with hash -193483157, now seen corresponding path program 1 times [2018-08-08 05:30:05,517 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:30:05,517 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-08-08 05:30:05,518 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], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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 05:30:05,524 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:30:05,524 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:30:37,580 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:30:37,580 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 05:30:37,628 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:30:40,356 INFO L232 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 73.85% of their original sizes. [2018-08-08 05:30:40,357 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:30:41,415 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:30:41,415 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:30:41,415 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-08-08 05:30:41,416 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:30:41,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-08-08 05:30:41,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-08-08 05:30:41,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-08-08 05:30:41,417 INFO L87 Difference]: Start difference. First operand 939 states and 1120 transitions. Second operand 15 states. [2018-08-08 05:30:49,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:30:49,230 INFO L93 Difference]: Finished difference Result 1301 states and 1760 transitions. [2018-08-08 05:30:49,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-08-08 05:30:49,231 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 200 [2018-08-08 05:30:49,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:30:49,237 INFO L225 Difference]: With dead ends: 1301 [2018-08-08 05:30:49,237 INFO L226 Difference]: Without dead ends: 1095 [2018-08-08 05:30:49,238 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 211 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2018-08-08 05:30:49,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2018-08-08 05:30:49,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1089. [2018-08-08 05:30:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2018-08-08 05:30:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1286 transitions. [2018-08-08 05:30:49,286 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1286 transitions. Word has length 200 [2018-08-08 05:30:49,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:30:49,287 INFO L480 AbstractCegarLoop]: Abstraction has 1089 states and 1286 transitions. [2018-08-08 05:30:49,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-08-08 05:30:49,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1286 transitions. [2018-08-08 05:30:49,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-08-08 05:30:49,290 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:30:49,290 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-08-08 05:30:49,291 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 05:30:49,291 INFO L82 PathProgramCache]: Analyzing trace with hash 2106450040, now seen corresponding path program 1 times [2018-08-08 05:30:49,291 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:30:49,291 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-08-08 05:30:49,292 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], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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 05:30:49,297 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:30:49,297 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:31:08,211 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:31:08,211 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 05:31:08,217 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:31:14,207 INFO L232 lantSequenceWeakener]: Weakened 201 states. On average, predicates are now at 73.83% of their original sizes. [2018-08-08 05:31:14,207 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:31:16,981 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:31:16,981 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:31:16,981 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-08-08 05:31:16,982 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:31:16,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-08-08 05:31:16,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-08-08 05:31:16,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-08-08 05:31:16,984 INFO L87 Difference]: Start difference. First operand 1089 states and 1286 transitions. Second operand 14 states. [2018-08-08 05:31:30,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:31:30,727 INFO L93 Difference]: Finished difference Result 1594 states and 2078 transitions. [2018-08-08 05:31:30,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-08-08 05:31:30,729 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 203 [2018-08-08 05:31:30,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:31:30,737 INFO L225 Difference]: With dead ends: 1594 [2018-08-08 05:31:30,737 INFO L226 Difference]: Without dead ends: 1238 [2018-08-08 05:31:30,739 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 137 SyntacticMatches, 53 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2018-08-08 05:31:30,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-08-08 05:31:30,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1235. [2018-08-08 05:31:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2018-08-08 05:31:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1444 transitions. [2018-08-08 05:31:30,799 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1444 transitions. Word has length 203 [2018-08-08 05:31:30,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:31:30,799 INFO L480 AbstractCegarLoop]: Abstraction has 1235 states and 1444 transitions. [2018-08-08 05:31:30,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-08-08 05:31:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1444 transitions. [2018-08-08 05:31:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-08-08 05:31:30,804 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:31:30,804 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:31:30,804 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 05:31:30,805 INFO L82 PathProgramCache]: Analyzing trace with hash -559134898, now seen corresponding path program 1 times [2018-08-08 05:31:30,805 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:31:30,805 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-08-08 05:31:30,805 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], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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 05:31:30,808 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:31:30,808 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:31:32,164 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 05:31:43,439 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 05:31:43,439 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 05:31:43,447 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 05:31:49,014 INFO L232 lantSequenceWeakener]: Weakened 210 states. On average, predicates are now at 73.84% of their original sizes. [2018-08-08 05:31:49,014 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 05:31:54,589 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 05:31:54,589 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 05:31:54,589 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-08-08 05:31:54,590 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 05:31:54,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-08-08 05:31:54,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-08-08 05:31:54,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-08-08 05:31:54,591 INFO L87 Difference]: Start difference. First operand 1235 states and 1444 transitions. Second operand 10 states. [2018-08-08 05:32:09,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 05:32:09,938 INFO L93 Difference]: Finished difference Result 1749 states and 2252 transitions. [2018-08-08 05:32:09,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-08-08 05:32:09,945 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2018-08-08 05:32:09,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 05:32:09,952 INFO L225 Difference]: With dead ends: 1749 [2018-08-08 05:32:09,952 INFO L226 Difference]: Without dead ends: 1393 [2018-08-08 05:32:09,954 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 219 GetRequests, 150 SyntacticMatches, 53 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-08-08 05:32:09,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2018-08-08 05:32:10,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1383. [2018-08-08 05:32:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1383 states. [2018-08-08 05:32:10,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1610 transitions. [2018-08-08 05:32:10,015 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1610 transitions. Word has length 212 [2018-08-08 05:32:10,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 05:32:10,015 INFO L480 AbstractCegarLoop]: Abstraction has 1383 states and 1610 transitions. [2018-08-08 05:32:10,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-08-08 05:32:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1610 transitions. [2018-08-08 05:32:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-08-08 05:32:10,020 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 05:32:10,020 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 05:32:10,020 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 05:32:10,021 INFO L82 PathProgramCache]: Analyzing trace with hash 108615446, now seen corresponding path program 1 times [2018-08-08 05:32:10,021 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 05:32:10,021 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-08-08 05:32:10,021 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], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [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 05:32:10,023 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-08-08 05:32:10,024 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 05:32:11,464 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-08-08 05:32:12,050 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-08-08 05:32:12,051 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-08-08 05:32:12,052 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-08-08 05:32:12,089 WARN L205 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-08-08 05:32:12,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 05:32:12 BoogieIcfgContainer [2018-08-08 05:32:12,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 05:32:12,090 INFO L168 Benchmark]: Toolchain (without parser) took 227022.38 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -327.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-08-08 05:32:12,092 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 05:32:12,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.98 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-08-08 05:32:12,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.35 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 05:32:12,094 INFO L168 Benchmark]: Boogie Preprocessor took 118.56 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 05:32:12,095 INFO L168 Benchmark]: RCFGBuilder took 3700.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.1 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -697.2 MB). Peak memory consumption was 60.5 MB. Max. memory is 7.1 GB. [2018-08-08 05:32:12,095 INFO L168 Benchmark]: TraceAbstraction took 222320.16 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 316.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-08-08 05:32:12,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.98 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 118.35 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 118.56 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. * RCFGBuilder took 3700.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.1 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -697.2 MB). Peak memory consumption was 60.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 222320.16 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 316.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 178]: 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 TRUE (((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0)) [L255] a1 = (((a1 / 5) + 110755) + 220746) [L256] a10 = 1 [L257] a19 = 8 [L259] 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 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 TRUE (((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6)) [L178] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 222.2s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 76.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1454 SDtfs, 4769 SDslu, 2391 SDs, 0 SdLazy, 12620 SolverSat, 1177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 68.6s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 1190 GetRequests, 806 SyntacticMatches, 265 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2213 ImplicationChecksByTransitivity, 20.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1383occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 99.9s AbstIntTime, 8 AbstIntIterations, 7 AbstIntStrong, 0.9942953283070117 AbsIntWeakeningRatio, 0.12334801762114538 AbsIntAvgWeakeningVarsNumRemoved, 79.12070484581498 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 32 StatesRemovedByMinimization, 7 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_label18_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_05-32-12-115.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label18_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_05-32-12-115.csv Completed graceful shutdown