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_CON-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 10:28:45,290 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 10:28:45,293 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 10:28:45,307 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 10:28:45,307 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 10:28:45,309 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 10:28:45,310 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 10:28:45,312 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 10:28:45,315 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 10:28:45,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 10:28:45,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 10:28:45,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 10:28:45,327 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 10:28:45,329 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 10:28:45,330 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 10:28:45,331 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 10:28:45,332 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 10:28:45,336 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 10:28:45,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 10:28:45,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 10:28:45,345 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 10:28:45,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 10:28:45,350 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 10:28:45,350 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 10:28:45,350 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 10:28:45,352 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 10:28:45,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 10:28:45,354 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 10:28:45,355 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 10:28:45,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 10:28:45,357 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 10:28:45,358 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 10:28:45,359 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 10:28:45,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 10:28:45,361 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 10:28:45,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 10:28:45,364 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf [2018-08-08 10:28:45,385 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 10:28:45,386 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 10:28:45,387 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 10:28:45,387 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 10:28:45,387 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 10:28:45,387 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 10:28:45,387 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 10:28:45,388 INFO L133 SettingsManager]: * Octagon Domain=false [2018-08-08 10:28:45,388 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-08-08 10:28:45,388 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 10:28:45,388 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 10:28:45,388 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 10:28:45,389 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 10:28:45,389 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 10:28:45,389 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 10:28:45,390 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 10:28:45,390 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 10:28:45,390 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 10:28:45,390 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 10:28:45,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 10:28:45,391 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 10:28:45,391 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 10:28:45,391 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 10:28:45,391 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 10:28:45,392 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 10:28:45,392 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 10:28:45,392 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 10:28:45,392 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 10:28:45,392 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 10:28:45,393 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 10:28:45,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 10:28:45,393 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 10:28:45,393 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 10:28:45,393 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 10:28:45,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 10:28:45,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 10:28:45,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 10:28:45,484 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 10:28:45,485 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 10:28:45,485 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-08-08 10:28:45,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e98ca0c/934cdbbd0bd84ff1831ade3d9633c7ee/FLAGc781c062d [2018-08-08 10:28:46,127 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 10:28:46,128 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-08-08 10:28:46,154 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e98ca0c/934cdbbd0bd84ff1831ade3d9633c7ee/FLAGc781c062d [2018-08-08 10:28:46,170 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9e98ca0c/934cdbbd0bd84ff1831ade3d9633c7ee [2018-08-08 10:28:46,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 10:28:46,182 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 10:28:46,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 10:28:46,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 10:28:46,191 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 10:28:46,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:46,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6390cb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46, skipping insertion in model container [2018-08-08 10:28:46,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:46,399 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 10:28:46,688 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 10:28:46,709 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 10:28:46,849 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 10:28:46,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46 WrapperNode [2018-08-08 10:28:46,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 10:28:46,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 10:28:46,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 10:28:46,901 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 10:28:46,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:46,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:47,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 10:28:47,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 10:28:47,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 10:28:47,034 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 10:28:47,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:47,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:47,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:47,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:47,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:47,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:47,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (1/1) ... [2018-08-08 10:28:47,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 10:28:47,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 10:28:47,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 10:28:47,358 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 10:28:47,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (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 10:28:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 10:28:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 10:28:47,436 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 10:28:47,436 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 10:28:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 10:28:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 10:28:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 10:28:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 10:28:50,928 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 10:28:50,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:28:50 BoogieIcfgContainer [2018-08-08 10:28:50,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 10:28:50,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 10:28:50,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 10:28:50,934 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 10:28:50,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 10:28:46" (1/3) ... [2018-08-08 10:28:50,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea80cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 10:28:50, skipping insertion in model container [2018-08-08 10:28:50,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:28:46" (2/3) ... [2018-08-08 10:28:50,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea80cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 10:28:50, skipping insertion in model container [2018-08-08 10:28:50,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:28:50" (3/3) ... [2018-08-08 10:28:50,939 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label25_true-unreach-call.c [2018-08-08 10:28:50,949 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 10:28:50,959 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 10:28:51,014 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 10:28:51,015 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 10:28:51,015 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 10:28:51,016 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 10:28:51,016 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 10:28:51,016 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 10:28:51,016 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 10:28:51,016 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 10:28:51,017 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 10:28:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-08-08 10:28:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-08-08 10:28:51,054 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:28:51,055 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, 1, 1, 1, 1, 1, 1] [2018-08-08 10:28:51,057 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 10:28:51,062 INFO L82 PathProgramCache]: Analyzing trace with hash 382760497, now seen corresponding path program 1 times [2018-08-08 10:28:51,065 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:28:51,066 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 72 with the following transitions: [2018-08-08 10:28:51,069 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], [425], [433], [441], [449], [457], [465], [469], [471], [796], [800], [806], [810], [817], [818], [819], [821] [2018-08-08 10:28:51,101 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:28:51,101 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:28:51,456 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:28:51,458 INFO L272 AbstractInterpreter]: Visited 70 different actions 70 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-08-08 10:28:51,503 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:28:51,789 INFO L232 lantSequenceWeakener]: Weakened 68 states. On average, predicates are now at 75.84% of their original sizes. [2018-08-08 10:28:51,789 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:28:51,948 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:28:51,950 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:28:51,950 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-08-08 10:28:51,950 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:28:51,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-08-08 10:28:51,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-08-08 10:28:51,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-08-08 10:28:51,969 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 5 states. [2018-08-08 10:28:54,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 10:28:54,630 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-08-08 10:28:54,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-08-08 10:28:54,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-08-08 10:28:54,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 10:28:54,651 INFO L225 Difference]: With dead ends: 576 [2018-08-08 10:28:54,652 INFO L226 Difference]: Without dead ends: 358 [2018-08-08 10:28:54,659 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-08-08 10:28:54,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-08-08 10:28:54,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-08-08 10:28:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-08-08 10:28:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-08-08 10:28:54,738 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 71 [2018-08-08 10:28:54,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 10:28:54,739 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-08-08 10:28:54,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-08-08 10:28:54,739 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-08-08 10:28:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-08-08 10:28:54,747 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:28:54,747 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 10:28:54,748 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 10:28:54,748 INFO L82 PathProgramCache]: Analyzing trace with hash 793000707, now seen corresponding path program 1 times [2018-08-08 10:28:54,748 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:28:54,749 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-08-08 10:28:54,749 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], [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], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 10:28:54,753 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:28:54,753 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:28:55,038 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:28:55,038 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 10:28:55,079 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:28:55,404 INFO L232 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 74.37% of their original sizes. [2018-08-08 10:28:55,405 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:28:55,857 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:28:55,857 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:28:55,858 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 10:28:55,858 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:28:55,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 10:28:55,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 10:28:55,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 10:28:55,860 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 9 states. [2018-08-08 10:29:02,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 10:29:02,695 INFO L93 Difference]: Finished difference Result 719 states and 1134 transitions. [2018-08-08 10:29:02,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 10:29:02,699 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2018-08-08 10:29:02,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 10:29:02,705 INFO L225 Difference]: With dead ends: 719 [2018-08-08 10:29:02,705 INFO L226 Difference]: Without dead ends: 513 [2018-08-08 10:29:02,709 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-08-08 10:29:02,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2018-08-08 10:29:02,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 504. [2018-08-08 10:29:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-08-08 10:29:02,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 662 transitions. [2018-08-08 10:29:02,745 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 662 transitions. Word has length 142 [2018-08-08 10:29:02,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 10:29:02,747 INFO L480 AbstractCegarLoop]: Abstraction has 504 states and 662 transitions. [2018-08-08 10:29:02,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 10:29:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 662 transitions. [2018-08-08 10:29:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-08-08 10:29:02,751 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:29:02,752 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, 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] [2018-08-08 10:29:02,752 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 10:29:02,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1467562684, now seen corresponding path program 1 times [2018-08-08 10:29:02,753 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:29:02,753 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-08-08 10:29:02,753 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], [425], [433], [441], [449], [457], [465], [469], [471], [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 10:29:02,756 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:29:02,756 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:29:03,153 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:29:03,153 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 10:29:03,194 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:29:03,473 INFO L232 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 74.34% of their original sizes. [2018-08-08 10:29:03,473 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:29:03,729 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:29:03,730 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:29:03,730 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 10:29:03,730 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:29:03,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 10:29:03,731 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 10:29:03,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 10:29:03,732 INFO L87 Difference]: Start difference. First operand 504 states and 662 transitions. Second operand 9 states. [2018-08-08 10:29:06,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 10:29:06,438 INFO L93 Difference]: Finished difference Result 1139 states and 1712 transitions. [2018-08-08 10:29:06,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-08-08 10:29:06,441 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2018-08-08 10:29:06,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 10:29:06,446 INFO L225 Difference]: With dead ends: 1139 [2018-08-08 10:29:06,446 INFO L226 Difference]: Without dead ends: 785 [2018-08-08 10:29:06,448 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-08-08 10:29:06,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-08-08 10:29:06,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 778. [2018-08-08 10:29:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 778 states. [2018-08-08 10:29:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 957 transitions. [2018-08-08 10:29:06,493 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 957 transitions. Word has length 151 [2018-08-08 10:29:06,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 10:29:06,494 INFO L480 AbstractCegarLoop]: Abstraction has 778 states and 957 transitions. [2018-08-08 10:29:06,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 10:29:06,494 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 957 transitions. [2018-08-08 10:29:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-08-08 10:29:06,498 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:29:06,498 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, 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 10:29:06,499 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 10:29:06,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1455651900, now seen corresponding path program 1 times [2018-08-08 10:29:06,499 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:29:06,499 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-08-08 10:29:06,500 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], [425], [433], [441], [449], [457], [465], [469], [471], [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 10:29:06,503 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:29:06,504 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:29:07,958 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:29:07,958 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 10:29:07,965 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:29:08,608 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 74.02% of their original sizes. [2018-08-08 10:29:08,609 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:29:08,840 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:29:08,841 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:29:08,841 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 10:29:08,841 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:29:08,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 10:29:08,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 10:29:08,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 10:29:08,843 INFO L87 Difference]: Start difference. First operand 778 states and 957 transitions. Second operand 9 states. [2018-08-08 10:29:12,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 10:29:12,974 INFO L93 Difference]: Finished difference Result 1563 states and 2059 transitions. [2018-08-08 10:29:12,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 10:29:12,975 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 187 [2018-08-08 10:29:12,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 10:29:12,981 INFO L225 Difference]: With dead ends: 1563 [2018-08-08 10:29:12,981 INFO L226 Difference]: Without dead ends: 935 [2018-08-08 10:29:12,984 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 193 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-08-08 10:29:12,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2018-08-08 10:29:13,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 928. [2018-08-08 10:29:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 928 states. [2018-08-08 10:29:13,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1133 transitions. [2018-08-08 10:29:13,021 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1133 transitions. Word has length 187 [2018-08-08 10:29:13,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 10:29:13,022 INFO L480 AbstractCegarLoop]: Abstraction has 928 states and 1133 transitions. [2018-08-08 10:29:13,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 10:29:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1133 transitions. [2018-08-08 10:29:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-08-08 10:29:13,026 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:29:13,026 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, 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] [2018-08-08 10:29:13,027 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 10:29:13,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1125130115, now seen corresponding path program 1 times [2018-08-08 10:29:13,027 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:29:13,028 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-08-08 10:29:13,028 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], [425], [433], [441], [449], [457], [465], [469], [471], [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 10:29:13,032 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:29:13,032 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:29:15,101 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:29:15,102 INFO L272 AbstractInterpreter]: Visited 142 different actions 414 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-08-08 10:29:15,107 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:29:15,233 INFO L232 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 73.83% of their original sizes. [2018-08-08 10:29:15,233 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:29:15,349 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:29:15,349 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:29:15,349 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 10:29:15,350 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:29:15,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 10:29:15,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 10:29:15,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 10:29:15,351 INFO L87 Difference]: Start difference. First operand 928 states and 1133 transitions. Second operand 9 states. [2018-08-08 10:29:18,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 10:29:18,648 INFO L93 Difference]: Finished difference Result 1942 states and 2573 transitions. [2018-08-08 10:29:18,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 10:29:18,649 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 206 [2018-08-08 10:29:18,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 10:29:18,656 INFO L225 Difference]: With dead ends: 1942 [2018-08-08 10:29:18,656 INFO L226 Difference]: Without dead ends: 1164 [2018-08-08 10:29:18,659 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 212 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-08-08 10:29:18,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2018-08-08 10:29:18,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1157. [2018-08-08 10:29:18,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1157 states. [2018-08-08 10:29:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1390 transitions. [2018-08-08 10:29:18,691 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1390 transitions. Word has length 206 [2018-08-08 10:29:18,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 10:29:18,692 INFO L480 AbstractCegarLoop]: Abstraction has 1157 states and 1390 transitions. [2018-08-08 10:29:18,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 10:29:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1390 transitions. [2018-08-08 10:29:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-08-08 10:29:18,697 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:29:18,697 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, 3, 3, 3, 3, 3, 3, 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] [2018-08-08 10:29:18,697 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 10:29:18,698 INFO L82 PathProgramCache]: Analyzing trace with hash -2086358255, now seen corresponding path program 1 times [2018-08-08 10:29:18,698 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:29:18,698 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-08-08 10:29:18,698 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], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-08-08 10:29:18,701 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:29:18,701 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:29:19,167 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:29:19,168 INFO L272 AbstractInterpreter]: Visited 95 different actions 368 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-08-08 10:29:19,205 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:29:19,323 INFO L232 lantSequenceWeakener]: Weakened 226 states. On average, predicates are now at 76.14% of their original sizes. [2018-08-08 10:29:19,324 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:29:19,428 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:29:19,428 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:29:19,429 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 10:29:19,429 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:29:19,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 10:29:19,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 10:29:19,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 10:29:19,430 INFO L87 Difference]: Start difference. First operand 1157 states and 1390 transitions. Second operand 9 states. [2018-08-08 10:29:22,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 10:29:22,234 INFO L93 Difference]: Finished difference Result 2420 states and 3040 transitions. [2018-08-08 10:29:22,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 10:29:22,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 229 [2018-08-08 10:29:22,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 10:29:22,249 INFO L225 Difference]: With dead ends: 2420 [2018-08-08 10:29:22,249 INFO L226 Difference]: Without dead ends: 1413 [2018-08-08 10:29:22,253 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 235 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-08-08 10:29:22,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2018-08-08 10:29:22,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1392. [2018-08-08 10:29:22,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2018-08-08 10:29:22,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1678 transitions. [2018-08-08 10:29:22,291 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1678 transitions. Word has length 229 [2018-08-08 10:29:22,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 10:29:22,292 INFO L480 AbstractCegarLoop]: Abstraction has 1392 states and 1678 transitions. [2018-08-08 10:29:22,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 10:29:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1678 transitions. [2018-08-08 10:29:22,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-08-08 10:29:22,298 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:29:22,298 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, 3, 3, 3, 3, 3, 3, 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 10:29:22,298 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 10:29:22,299 INFO L82 PathProgramCache]: Analyzing trace with hash -2128503195, now seen corresponding path program 1 times [2018-08-08 10:29:22,299 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:29:22,299 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-08-08 10:29:22,300 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], [425], [433], [441], [449], [457], [465], [469], [471], [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 10:29:22,301 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:29:22,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:29:23,323 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 10:29:23,324 INFO L272 AbstractInterpreter]: Visited 121 different actions 472 times. Merged at 7 different actions 21 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-08-08 10:29:23,330 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 10:29:23,461 INFO L232 lantSequenceWeakener]: Weakened 252 states. On average, predicates are now at 76.02% of their original sizes. [2018-08-08 10:29:23,462 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 10:29:23,561 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 10:29:23,561 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 10:29:23,561 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-08-08 10:29:23,562 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 10:29:23,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-08-08 10:29:23,562 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-08-08 10:29:23,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-08-08 10:29:23,563 INFO L87 Difference]: Start difference. First operand 1392 states and 1678 transitions. Second operand 9 states. [2018-08-08 10:29:27,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 10:29:27,118 INFO L93 Difference]: Finished difference Result 3072 states and 3947 transitions. [2018-08-08 10:29:27,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-08-08 10:29:27,120 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 255 [2018-08-08 10:29:27,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 10:29:27,128 INFO L225 Difference]: With dead ends: 3072 [2018-08-08 10:29:27,128 INFO L226 Difference]: Without dead ends: 1830 [2018-08-08 10:29:27,133 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 261 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-08-08 10:29:27,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-08-08 10:29:27,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1796. [2018-08-08 10:29:27,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1796 states. [2018-08-08 10:29:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2263 transitions. [2018-08-08 10:29:27,178 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2263 transitions. Word has length 255 [2018-08-08 10:29:27,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 10:29:27,179 INFO L480 AbstractCegarLoop]: Abstraction has 1796 states and 2263 transitions. [2018-08-08 10:29:27,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-08-08 10:29:27,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2263 transitions. [2018-08-08 10:29:27,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-08-08 10:29:27,186 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 10:29:27,187 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, 3, 3, 3, 3, 3, 3, 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] [2018-08-08 10:29:27,187 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 10:29:27,187 INFO L82 PathProgramCache]: Analyzing trace with hash 2060148212, now seen corresponding path program 1 times [2018-08-08 10:29:27,188 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 10:29:27,188 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-08-08 10:29:27,188 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], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [506], [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 10:29:27,190 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-08-08 10:29:27,190 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 10:29:28,873 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-08 10:29:28,874 INFO L272 AbstractInterpreter]: Visited 125 different actions 365 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 10:29:28,881 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-08-08 10:29:28,917 WARN L205 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-08-08 10:29:28,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 10:29:28 BoogieIcfgContainer [2018-08-08 10:29:28,918 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 10:29:28,919 INFO L168 Benchmark]: Toolchain (without parser) took 42737.72 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -479.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-08-08 10:29:28,921 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 10:29:28,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.75 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 10:29:28,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.27 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 10:29:28,923 INFO L168 Benchmark]: Boogie Preprocessor took 323.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 799.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -888.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2018-08-08 10:29:28,924 INFO L168 Benchmark]: RCFGBuilder took 3571.65 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: 112.5 MB). Peak memory consumption was 112.5 MB. Max. memory is 7.1 GB. [2018-08-08 10:29:28,925 INFO L168 Benchmark]: TraceAbstraction took 37987.82 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 566.2 MB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 243.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-08-08 10:29:28,930 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 716.75 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 132.27 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 323.83 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 799.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -888.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3571.65 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: 112.5 MB). Peak memory consumption was 112.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37987.82 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 566.2 MB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 243.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 196]: 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 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 FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L414] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L419] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L425] COND TRUE ((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0)) [L426] a1 = ((((a1 / 5) * 5) / 5) + 505228) [L427] a10 = 1 [L429] RET return 25; [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 TRUE ((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14))))) [L222] a19 = 10 [L224] RET return 25; [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 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 TRUE (((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7)) [L196] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. UNKNOWN Result, 37.9s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 26.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1360 SDtfs, 4053 SDslu, 2662 SDs, 0 SdLazy, 13282 SolverSat, 1346 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 22.0s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 1276 GetRequests, 1189 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1796occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.9s AbstIntTime, 8 AbstIntIterations, 7 AbstIntStrong, 0.9970929322813772 AbsIntWeakeningRatio, 0.11831442463533225 AbsIntAvgWeakeningVarsNumRemoved, 9.341977309562399 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 87 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_label25_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_10-29-28-945.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label25_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_10-29-28-945.csv Received shutdown request...