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_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 19:45:19,404 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 19:45:19,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 19:45:19,424 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 19:45:19,425 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 19:45:19,426 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 19:45:19,428 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 19:45:19,431 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 19:45:19,433 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 19:45:19,434 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 19:45:19,437 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 19:45:19,437 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 19:45:19,438 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 19:45:19,440 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 19:45:19,448 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 19:45:19,449 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 19:45:19,450 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 19:45:19,455 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 19:45:19,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 19:45:19,458 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 19:45:19,459 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 19:45:19,460 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 19:45:19,463 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 19:45:19,463 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 19:45:19,463 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 19:45:19,464 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 19:45:19,465 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 19:45:19,466 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 19:45:19,467 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 19:45:19,468 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 19:45:19,468 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 19:45:19,469 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 19:45:19,469 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 19:45:19,469 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 19:45:19,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 19:45:19,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 19:45:19,473 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-11 19:45:19,499 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 19:45:19,500 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 19:45:19,501 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 19:45:19,501 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 19:45:19,501 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 19:45:19,501 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 19:45:19,501 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-11 19:45:19,502 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 19:45:19,502 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-11 19:45:19,502 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 19:45:19,502 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 19:45:19,502 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 19:45:19,503 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 19:45:19,503 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 19:45:19,504 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 19:45:19,504 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 19:45:19,504 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 19:45:19,504 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 19:45:19,504 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 19:45:19,504 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 19:45:19,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 19:45:19,505 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 19:45:19,505 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 19:45:19,505 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 19:45:19,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 19:45:19,506 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 19:45:19,506 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 19:45:19,506 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 19:45:19,506 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 19:45:19,506 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 19:45:19,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 19:45:19,507 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 19:45:19,507 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 19:45:19,507 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 19:45:19,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 19:45:19,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 19:45:19,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 19:45:19,570 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 19:45:19,571 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 19:45:19,571 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-09-11 19:45:19,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efca7d740/b3bf21eba8df49a6bbe8dfce4c86ba4b/FLAG3747c0695 [2018-09-11 19:45:20,320 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 19:45:20,322 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-09-11 19:45:20,343 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efca7d740/b3bf21eba8df49a6bbe8dfce4c86ba4b/FLAG3747c0695 [2018-09-11 19:45:20,361 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efca7d740/b3bf21eba8df49a6bbe8dfce4c86ba4b [2018-09-11 19:45:20,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 19:45:20,375 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 19:45:20,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 19:45:20,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 19:45:20,383 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 19:45:20,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:45:20" (1/1) ... [2018-09-11 19:45:20,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c5c827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:20, skipping insertion in model container [2018-09-11 19:45:20,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:45:20" (1/1) ... [2018-09-11 19:45:20,607 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 19:45:20,887 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:45:20,908 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 19:45:21,053 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:45:21,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21 WrapperNode [2018-09-11 19:45:21,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 19:45:21,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 19:45:21,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 19:45:21,093 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 19:45:21,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (1/1) ... [2018-09-11 19:45:21,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (1/1) ... [2018-09-11 19:45:21,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 19:45:21,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 19:45:21,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 19:45:21,180 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 19:45:21,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (1/1) ... [2018-09-11 19:45:21,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (1/1) ... [2018-09-11 19:45:21,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (1/1) ... [2018-09-11 19:45:21,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (1/1) ... [2018-09-11 19:45:21,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (1/1) ... [2018-09-11 19:45:21,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (1/1) ... [2018-09-11 19:45:21,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (1/1) ... [2018-09-11 19:45:21,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 19:45:21,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 19:45:21,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 19:45:21,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 19:45:21,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 19:45:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-09-11 19:45:21,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-09-11 19:45:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 19:45:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 19:45:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 19:45:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 19:45:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 19:45:21,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 19:45:24,928 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 19:45:24,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:45:24 BoogieIcfgContainer [2018-09-11 19:45:24,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 19:45:24,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 19:45:24,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 19:45:24,934 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 19:45:24,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 07:45:20" (1/3) ... [2018-09-11 19:45:24,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d04f0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:45:24, skipping insertion in model container [2018-09-11 19:45:24,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:45:21" (2/3) ... [2018-09-11 19:45:24,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d04f0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:45:24, skipping insertion in model container [2018-09-11 19:45:24,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:45:24" (3/3) ... [2018-09-11 19:45:24,941 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-09-11 19:45:24,956 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 19:45:24,967 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 19:45:25,036 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 19:45:25,037 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 19:45:25,037 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 19:45:25,037 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 19:45:25,037 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 19:45:25,037 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 19:45:25,037 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 19:45:25,037 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 19:45:25,038 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 19:45:25,063 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-09-11 19:45:25,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-11 19:45:25,077 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:45:25,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:45:25,080 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:45:25,085 INFO L82 PathProgramCache]: Analyzing trace with hash -168567709, now seen corresponding path program 1 times [2018-09-11 19:45:25,087 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:45:25,089 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-09-11 19:45:25,092 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [443], [445], [756], [757], [761], [765], [771], [775], [782], [783], [784], [786] [2018-09-11 19:45:25,162 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 19:45:25,162 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:45:45,934 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:45:45,937 INFO L272 AbstractInterpreter]: Visited 67 different actions 67 times. Never merged. Never widened. Never found a fixpoint. Largest state had 41 variables. [2018-09-11 19:45:45,965 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:45:48,648 INFO L232 lantSequenceWeakener]: Weakened 66 states. On average, predicates are now at 79.62% of their original sizes. [2018-09-11 19:45:48,649 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:45:50,179 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:45:50,180 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:45:50,181 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-11 19:45:50,181 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:45:50,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-11 19:45:50,192 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-11 19:45:50,193 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-09-11 19:45:50,195 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 12 states. [2018-09-11 19:45:59,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:45:59,085 INFO L93 Difference]: Finished difference Result 475 states and 794 transitions. [2018-09-11 19:45:59,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-11 19:45:59,087 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 101 [2018-09-11 19:45:59,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:45:59,102 INFO L225 Difference]: With dead ends: 475 [2018-09-11 19:45:59,102 INFO L226 Difference]: Without dead ends: 265 [2018-09-11 19:45:59,108 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 106 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2018-09-11 19:45:59,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-09-11 19:45:59,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-09-11 19:45:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-09-11 19:45:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 397 transitions. [2018-09-11 19:45:59,178 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 397 transitions. Word has length 101 [2018-09-11 19:45:59,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:45:59,179 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 397 transitions. [2018-09-11 19:45:59,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-11 19:45:59,179 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2018-09-11 19:45:59,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-11 19:45:59,185 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:45:59,185 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:45:59,185 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:45:59,186 INFO L82 PathProgramCache]: Analyzing trace with hash -2037633054, now seen corresponding path program 1 times [2018-09-11 19:45:59,186 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:45:59,186 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 111 with the following transitions: [2018-09-11 19:45:59,187 INFO L202 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [443], [445], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-11 19:45:59,195 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 19:45:59,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:47:19,046 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:47:19,047 INFO L272 AbstractInterpreter]: Visited 77 different actions 142 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-11 19:47:19,084 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:47:24,869 INFO L232 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 79.75% of their original sizes. [2018-09-11 19:47:24,871 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:47:29,427 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:47:29,428 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:47:29,428 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-09-11 19:47:29,428 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:47:29,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-11 19:47:29,430 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-11 19:47:29,430 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2018-09-11 19:47:29,431 INFO L87 Difference]: Start difference. First operand 265 states and 397 transitions. Second operand 21 states. [2018-09-11 19:47:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:47:43,471 INFO L93 Difference]: Finished difference Result 540 states and 863 transitions. [2018-09-11 19:47:43,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-09-11 19:47:43,474 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 110 [2018-09-11 19:47:43,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:47:43,479 INFO L225 Difference]: With dead ends: 540 [2018-09-11 19:47:43,479 INFO L226 Difference]: Without dead ends: 342 [2018-09-11 19:47:43,484 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 134 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=522, Invalid=1548, Unknown=0, NotChecked=0, Total=2070 [2018-09-11 19:47:43,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-09-11 19:47:43,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 337. [2018-09-11 19:47:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-09-11 19:47:43,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 482 transitions. [2018-09-11 19:47:43,520 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 482 transitions. Word has length 110 [2018-09-11 19:47:43,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:47:43,521 INFO L480 AbstractCegarLoop]: Abstraction has 337 states and 482 transitions. [2018-09-11 19:47:43,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-09-11 19:47:43,521 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 482 transitions. [2018-09-11 19:47:43,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-11 19:47:43,525 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:47:43,525 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:47:43,526 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:47:43,526 INFO L82 PathProgramCache]: Analyzing trace with hash 2145610960, now seen corresponding path program 1 times [2018-09-11 19:47:43,526 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:47:43,526 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-09-11 19:47:43,527 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [12], [15], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [443], [445], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-11 19:47:43,532 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 19:47:43,532 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:49:26,166 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:49:26,167 INFO L272 AbstractInterpreter]: Visited 104 different actions 168 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-09-11 19:49:26,174 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:49:33,688 INFO L232 lantSequenceWeakener]: Weakened 111 states. On average, predicates are now at 80.34% of their original sizes. [2018-09-11 19:49:33,689 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:49:34,879 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:49:34,880 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:49:34,880 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-11 19:49:34,880 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:49:34,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-11 19:49:34,881 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-11 19:49:34,881 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-11 19:49:34,882 INFO L87 Difference]: Start difference. First operand 337 states and 482 transitions. Second operand 13 states. [2018-09-11 19:49:48,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:49:48,232 INFO L93 Difference]: Finished difference Result 722 states and 1160 transitions. [2018-09-11 19:49:48,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-09-11 19:49:48,239 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 113 [2018-09-11 19:49:48,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:49:48,243 INFO L225 Difference]: With dead ends: 722 [2018-09-11 19:49:48,243 INFO L226 Difference]: Without dead ends: 524 [2018-09-11 19:49:48,245 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 126 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=167, Invalid=535, Unknown=0, NotChecked=0, Total=702 [2018-09-11 19:49:48,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-09-11 19:49:48,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 519. [2018-09-11 19:49:48,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-09-11 19:49:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 678 transitions. [2018-09-11 19:49:48,290 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 678 transitions. Word has length 113 [2018-09-11 19:49:48,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:49:48,291 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 678 transitions. [2018-09-11 19:49:48,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-11 19:49:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 678 transitions. [2018-09-11 19:49:48,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-11 19:49:48,296 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:49:48,296 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-11 19:49:48,296 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-11 19:49:48,297 INFO L82 PathProgramCache]: Analyzing trace with hash 207866389, now seen corresponding path program 1 times [2018-09-11 19:49:48,297 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:49:48,297 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 123 with the following transitions: [2018-09-11 19:49:48,300 INFO L202 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [15], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [443], [445], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-09-11 19:49:48,309 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-11 19:49:48,310 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-09-11 19:49:53,156 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-09-11 19:49:53,157 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-09-11 19:49:53,158 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-11 19:49:53,192 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-11 19:49:53,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 07:49:53 BoogieIcfgContainer [2018-09-11 19:49:53,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 19:49:53,194 INFO L168 Benchmark]: Toolchain (without parser) took 272821.26 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -452.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-11 19:49:53,196 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-11 19:49:53,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.95 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. [2018-09-11 19:49:53,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-11 19:49:53,198 INFO L168 Benchmark]: Boogie Preprocessor took 274.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -849.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2018-09-11 19:49:53,199 INFO L168 Benchmark]: RCFGBuilder took 3474.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 7.1 GB. [2018-09-11 19:49:53,200 INFO L168 Benchmark]: TraceAbstraction took 268262.25 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 219.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-09-11 19:49:53,205 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.95 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 87.26 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 274.46 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -849.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3474.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268262.25 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 219.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 458]: 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 a= 1; [L8] int d= 4; [L9] int e= 5; [L10] int f= 6; [L11] int c= 3; [L12] int b= 2; [L15] int u = 21; [L16] int v = 22; [L17] int w = 23; [L18] int x = 24; [L19] int y = 25; [L20] int z = 26; [L22] int a17 = 1; [L23] int a7 = 0; [L24] int a20 = 1; [L25] int a8 = 15; [L26] int a12 = 8; [L27] int a16 = 5; [L28] int a21 = 1; [L580] int output = -1; [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND TRUE ((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8))) [L50] a8 = 13 [L51] a7 = 1 [L52] a16 = 4 [L53] RET return -1; [L591] EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL, EXPR calculate_output(input) [L31] COND TRUE (((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8)) [L32] a16 = 5 [L33] a20 = 0 [L34] RET return 24; [L591] EXPR calculate_output(input) [L591] output = calculate_output(input) [L583] COND TRUE 1 [L586] int input; [L587] input = __VERIFIER_nondet_int() [L588] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L591] CALL calculate_output(input) [L31] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) [L35] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) [L43] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) [L49] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) [L54] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) [L62] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) [L65] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) [L72] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) [L80] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) [L84] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) [L92] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) [L97] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) [L102] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) [L108] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) [L114] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) [L119] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) [L124] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) [L129] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) [L136] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) [L140] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) [L144] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) [L148] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) [L152] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) [L160] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) [L165] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) [L173] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) [L178] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) [L186] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) [L189] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) [L194] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) [L197] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) [L203] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) [L208] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) [L214] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) [L218] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) [L223] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) [L231] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) [L238] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) [L245] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) [L250] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) [L256] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) [L261] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) [L265] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) [L268] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) [L273] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) [L278] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) [L286] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) [L292] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) [L299] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) [L306] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) [L312] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) [L316] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) [L318] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) [L324] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) [L329] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) [L333] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) [L337] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) [L345] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) [L353] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) [L355] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) [L361] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) [L363] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) [L365] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) [L372] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) [L377] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) [L382] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) [L391] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L394] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L397] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L400] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L403] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L406] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L409] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L412] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) [L415] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L418] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L421] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L424] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) [L427] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L430] COND FALSE !((((((((a17==1)&&!(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L433] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==6))&&(a21==1))) [L436] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L439] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) [L442] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) [L445] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) [L448] COND FALSE !((((((((a17==1)&&(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) [L451] COND FALSE !((((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L454] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==15))&&(a12==8))&&(a16==6))&&(a21==1))) [L457] COND TRUE (((((((a17==1)&&(a7==1))&&!(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1)) [L458] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. UNKNOWN Result, 268.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 36.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 730 SDtfs, 1387 SDslu, 987 SDs, 0 SdLazy, 4538 SolverSat, 378 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 366 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=519occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 208.2s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9935233427768193 AbsIntWeakeningRatio, 0.2523364485981308 AbsIntAvgWeakeningVarsNumRemoved, 739.772585669782 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 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/Problem01_label05_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_19-49-53-222.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label05_true-unreach-call_false-termination.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_19-49-53-222.csv Completed graceful shutdown