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/Problem19_label12_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 19:19:28,745 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 19:19:28,747 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 19:19:28,760 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 19:19:28,760 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 19:19:28,761 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 19:19:28,763 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 19:19:28,765 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 19:19:28,767 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 19:19:28,769 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 19:19:28,770 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 19:19:28,770 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 19:19:28,771 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 19:19:28,772 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 19:19:28,773 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 19:19:28,774 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 19:19:28,775 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 19:19:28,777 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 19:19:28,779 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 19:19:28,780 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 19:19:28,781 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 19:19:28,782 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 19:19:28,785 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 19:19:28,785 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 19:19:28,785 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 19:19:28,786 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 19:19:28,787 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 19:19:28,788 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 19:19:28,789 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 19:19:28,790 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 19:19:28,790 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 19:19:28,791 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 19:19:28,791 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 19:19:28,791 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 19:19:28,792 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 19:19:28,793 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 19:19:28,793 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 [2018-09-11 19:19:28,823 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 19:19:28,823 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 19:19:28,824 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 19:19:28,824 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 19:19:28,825 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 19:19:28,825 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 19:19:28,825 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 19:19:28,825 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-11 19:19:28,825 INFO L133 SettingsManager]: * Abstract domain=CongruenceDomain [2018-09-11 19:19:28,826 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 19:19:28,826 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 19:19:28,826 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 19:19:28,827 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 19:19:28,827 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 19:19:28,827 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 19:19:28,827 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 19:19:28,827 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 19:19:28,828 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 19:19:28,828 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 19:19:28,828 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 19:19:28,828 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 19:19:28,828 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 19:19:28,828 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 19:19:28,829 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 19:19:28,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 19:19:28,829 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 19:19:28,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 19:19:28,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 19:19:28,830 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 19:19:28,830 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 19:19:28,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 19:19:28,830 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 19:19:28,830 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 19:19:28,831 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 19:19:28,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 19:19:28,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 19:19:28,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 19:19:28,891 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 19:19:28,892 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 19:19:28,892 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c [2018-09-11 19:19:29,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d29b10a2/2b6e66f9725b4bf787e0593bb0b1646c/FLAG2c19ee0a1 [2018-09-11 19:19:29,878 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 19:19:29,879 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label12_true-unreach-call.c [2018-09-11 19:19:29,947 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d29b10a2/2b6e66f9725b4bf787e0593bb0b1646c/FLAG2c19ee0a1 [2018-09-11 19:19:29,962 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d29b10a2/2b6e66f9725b4bf787e0593bb0b1646c [2018-09-11 19:19:29,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 19:19:29,976 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 19:19:29,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 19:19:29,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 19:19:29,985 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 19:19:29,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:19:29" (1/1) ... [2018-09-11 19:19:29,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a015c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:29, skipping insertion in model container [2018-09-11 19:19:29,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 07:19:29" (1/1) ... [2018-09-11 19:19:30,464 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 19:19:32,165 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:19:32,186 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 19:19:33,487 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 19:19:34,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34 WrapperNode [2018-09-11 19:19:34,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 19:19:34,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 19:19:34,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 19:19:34,212 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 19:19:34,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (1/1) ... [2018-09-11 19:19:34,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (1/1) ... [2018-09-11 19:19:34,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 19:19:34,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 19:19:34,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 19:19:34,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 19:19:35,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (1/1) ... [2018-09-11 19:19:35,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (1/1) ... [2018-09-11 19:19:35,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (1/1) ... [2018-09-11 19:19:35,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (1/1) ... [2018-09-11 19:19:35,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (1/1) ... [2018-09-11 19:19:36,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (1/1) ... [2018-09-11 19:19:36,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (1/1) ... [2018-09-11 19:19:36,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 19:19:36,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 19:19:36,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 19:19:36,319 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 19:19:36,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (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 19:19:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 19:19:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 19:19:36,391 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_output5 [2018-09-11 19:19:36,391 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_output5 [2018-09-11 19:19:36,391 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 [2018-09-11 19:19:36,392 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 [2018-09-11 19:19:36,392 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_output6 [2018-09-11 19:19:36,392 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_output6 [2018-09-11 19:19:36,392 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_output3 [2018-09-11 19:19:36,392 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_output3 [2018-09-11 19:19:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 19:19:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 19:19:36,393 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_output4 [2018-09-11 19:19:36,393 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_output4 [2018-09-11 19:19:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 19:19:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 19:19:36,394 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_output2 [2018-09-11 19:19:36,394 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_output2 [2018-09-11 19:20:00,262 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 19:20:00,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:20:00 BoogieIcfgContainer [2018-09-11 19:20:00,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 19:20:00,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 19:20:00,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 19:20:00,268 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 19:20:00,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 07:19:29" (1/3) ... [2018-09-11 19:20:00,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b68cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:20:00, skipping insertion in model container [2018-09-11 19:20:00,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 07:19:34" (2/3) ... [2018-09-11 19:20:00,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b68cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 07:20:00, skipping insertion in model container [2018-09-11 19:20:00,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 07:20:00" (3/3) ... [2018-09-11 19:20:00,272 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label12_true-unreach-call.c [2018-09-11 19:20:00,281 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 19:20:00,290 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 19:20:00,357 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 19:20:00,358 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 19:20:00,358 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 19:20:00,358 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 19:20:00,358 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 19:20:00,358 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 19:20:00,359 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 19:20:00,359 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 19:20:00,359 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 19:20:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-09-11 19:20:00,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-11 19:20:00,421 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:20:00,422 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] [2018-09-11 19:20:00,424 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]=== [2018-09-11 19:20:00,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1929132848, now seen corresponding path program 1 times [2018-09-11 19:20:00,431 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:20:00,432 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 52 with the following transitions: [2018-09-11 19:20:00,434 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1382], [1384], [5775], [5779], [5785], [5789], [6833], [6834], [6835], [6839] [2018-09-11 19:20:00,471 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:20:00,472 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:20:00,687 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:20:00,689 INFO L272 AbstractInterpreter]: Visited 50 different actions 50 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-11 19:20:00,705 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:20:00,840 INFO L232 lantSequenceWeakener]: Weakened 48 states. On average, predicates are now at 77.34% of their original sizes. [2018-09-11 19:20:00,840 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:20:00,982 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:20:00,983 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:20:00,983 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-11 19:20:00,983 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:20:00,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-11 19:20:00,993 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-11 19:20:00,994 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-11 19:20:00,997 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 5 states. [2018-09-11 19:20:28,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:20:28,544 INFO L93 Difference]: Finished difference Result 4946 states and 9354 transitions. [2018-09-11 19:20:28,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-11 19:20:28,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2018-09-11 19:20:28,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:20:28,602 INFO L225 Difference]: With dead ends: 4946 [2018-09-11 19:20:28,603 INFO L226 Difference]: Without dead ends: 3166 [2018-09-11 19:20:28,617 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-11 19:20:28,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-09-11 19:20:28,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3164. [2018-09-11 19:20:28,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2018-09-11 19:20:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 4690 transitions. [2018-09-11 19:20:28,810 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 4690 transitions. Word has length 51 [2018-09-11 19:20:28,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:20:28,811 INFO L480 AbstractCegarLoop]: Abstraction has 3164 states and 4690 transitions. [2018-09-11 19:20:28,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-11 19:20:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 4690 transitions. [2018-09-11 19:20:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-09-11 19:20:28,822 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:20:28,822 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:20:28,823 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]=== [2018-09-11 19:20:28,823 INFO L82 PathProgramCache]: Analyzing trace with hash -465034672, now seen corresponding path program 1 times [2018-09-11 19:20:28,824 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:20:28,824 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-09-11 19:20:28,825 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1382], [1384], [1387], [1395], [1403], [1411], [1419], [1427], [1435], [1443], [1451], [1459], [1467], [1475], [1483], [1491], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2408], [2650], [5775], [5779], [5785], [5789], [5791], [6833], [6834], [6835], [6839], [6840] [2018-09-11 19:20:28,833 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:20:28,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:20:31,182 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:20:31,182 INFO L272 AbstractInterpreter]: Visited 247 different actions 487 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-11 19:20:31,221 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:20:32,376 INFO L232 lantSequenceWeakener]: Weakened 288 states. On average, predicates are now at 75.44% of their original sizes. [2018-09-11 19:20:32,376 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:20:32,848 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:20:32,848 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:20:32,849 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-11 19:20:32,849 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:20:32,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-11 19:20:32,852 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-11 19:20:32,853 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-09-11 19:20:32,853 INFO L87 Difference]: Start difference. First operand 3164 states and 4690 transitions. Second operand 9 states. [2018-09-11 19:21:01,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:21:01,786 INFO L93 Difference]: Finished difference Result 7718 states and 13499 transitions. [2018-09-11 19:21:01,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-11 19:21:01,797 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 291 [2018-09-11 19:21:01,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:21:01,824 INFO L225 Difference]: With dead ends: 7718 [2018-09-11 19:21:01,824 INFO L226 Difference]: Without dead ends: 5950 [2018-09-11 19:21:01,832 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 296 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-09-11 19:21:01,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5950 states. [2018-09-11 19:21:01,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5950 to 5945. [2018-09-11 19:21:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5945 states. [2018-09-11 19:21:01,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5945 states to 5945 states and 7497 transitions. [2018-09-11 19:21:01,962 INFO L78 Accepts]: Start accepts. Automaton has 5945 states and 7497 transitions. Word has length 291 [2018-09-11 19:21:01,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:21:01,964 INFO L480 AbstractCegarLoop]: Abstraction has 5945 states and 7497 transitions. [2018-09-11 19:21:01,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-11 19:21:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 5945 states and 7497 transitions. [2018-09-11 19:21:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2018-09-11 19:21:01,988 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:21:01,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:21:01,989 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]=== [2018-09-11 19:21:01,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1008328140, now seen corresponding path program 1 times [2018-09-11 19:21:01,990 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:21:01,990 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 548 with the following transitions: [2018-09-11 19:21:01,991 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1382], [1384], [1387], [1395], [1403], [1411], [1419], [1427], [1435], [1443], [1451], [1459], [1467], [1475], [1483], [1491], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2452], [2456], [2467], [2471], [2482], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2560], [2564], [2575], [2579], [2583], [2587], [2591], [2595], [2599], [2603], [2607], [2611], [2615], [2619], [2623], [2627], [2631], [2635], [2639], [2643], [2647], [2649], [2650], [5775], [5779], [5785], [5789], [5791], [5796], [5800], [5804], [5808], [5812], [5816], [5820], [5824], [5828], [5832], [5836], [5840], [5844], [5848], [5852], [5856], [5860], [5864], [5868], [5879], [5890], [5894], [5898], [5909], [5913], [5917], [5921], [5925], [5929], [5933], [5937], [5941], [5945], [5949], [5953], [5957], [5961], [5965], [5969], [5973], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6031], [6035], [6039], [6043], [6054], [6058], [6062], [6066], [6070], [6074], [6078], [6082], [6086], [6090], [6094], [6098], [6102], [6106], [6110], [6114], [6118], [6122], [6126], [6130], [6134], [6138], [6142], [6153], [6157], [6161], [6165], [6169], [6173], [6177], [6181], [6185], [6189], [6193], [6197], [6201], [6205], [6209], [6220], [6224], [6228], [6232], [6236], [6247], [6251], [6255], [6259], [6263], [6267], [6271], [6275], [6279], [6290], [6294], [6298], [6309], [6313], [6317], [6321], [6325], [6329], [6333], [6337], [6341], [6345], [6349], [6353], [6364], [6368], [6372], [6376], [6380], [6384], [6388], [6392], [6403], [6407], [6411], [6415], [6419], [6423], [6427], [6431], [6435], [6439], [6443], [6447], [6458], [6462], [6473], [6477], [6481], [6485], [6496], [6500], [6504], [6508], [6512], [6516], [6520], [6524], [6535], [6539], [6543], [6554], [6558], [6562], [6566], [6570], [6574], [6578], [6582], [6586], [6590], [6594], [6598], [6602], [6606], [6610], [6614], [6618], [6622], [6626], [6630], [6634], [6638], [6642], [6646], [6650], [6654], [6658], [6662], [6666], [6670], [6674], [6678], [6682], [6686], [6690], [6694], [6705], [6709], [6720], [6724], [6728], [6732], [6736], [6740], [6743], [6826], [6829], [6830], [6833], [6834], [6835], [6839], [6840] [2018-09-11 19:21:02,009 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:21:02,009 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:21:03,941 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:21:03,942 INFO L272 AbstractInterpreter]: Visited 503 different actions 1000 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-11 19:21:03,981 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:21:04,858 INFO L232 lantSequenceWeakener]: Weakened 544 states. On average, predicates are now at 75.27% of their original sizes. [2018-09-11 19:21:04,858 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:21:05,211 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:21:05,211 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:21:05,212 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-11 19:21:05,212 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:21:05,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-11 19:21:05,215 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-11 19:21:05,215 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-11 19:21:05,215 INFO L87 Difference]: Start difference. First operand 5945 states and 7497 transitions. Second operand 13 states. [2018-09-11 19:21:38,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:21:38,980 INFO L93 Difference]: Finished difference Result 9113 states and 13551 transitions. [2018-09-11 19:21:38,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-11 19:21:38,981 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 547 [2018-09-11 19:21:38,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:21:39,012 INFO L225 Difference]: With dead ends: 9113 [2018-09-11 19:21:39,013 INFO L226 Difference]: Without dead ends: 7345 [2018-09-11 19:21:39,019 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 557 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-11 19:21:39,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7345 states. [2018-09-11 19:21:39,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7345 to 7342. [2018-09-11 19:21:39,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7342 states. [2018-09-11 19:21:39,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7342 states to 7342 states and 8927 transitions. [2018-09-11 19:21:39,169 INFO L78 Accepts]: Start accepts. Automaton has 7342 states and 8927 transitions. Word has length 547 [2018-09-11 19:21:39,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:21:39,170 INFO L480 AbstractCegarLoop]: Abstraction has 7342 states and 8927 transitions. [2018-09-11 19:21:39,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-11 19:21:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 7342 states and 8927 transitions. [2018-09-11 19:21:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2018-09-11 19:21:39,186 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:21:39,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:21:39,188 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]=== [2018-09-11 19:21:39,188 INFO L82 PathProgramCache]: Analyzing trace with hash 931929404, now seen corresponding path program 1 times [2018-09-11 19:21:39,188 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:21:39,189 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 561 with the following transitions: [2018-09-11 19:21:39,190 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1382], [1384], [1387], [1395], [1403], [1411], [1419], [1427], [1435], [1443], [1451], [1459], [1467], [1475], [1483], [1491], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2452], [2456], [2467], [2471], [2482], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2560], [2564], [2575], [2579], [2583], [2587], [2591], [2595], [2599], [2603], [2607], [2611], [2615], [2619], [2623], [2627], [2631], [2635], [2639], [2643], [2647], [2649], [2650], [5775], [5779], [5785], [5789], [5791], [5796], [5800], [5804], [5808], [5812], [5816], [5820], [5824], [5828], [5832], [5836], [5840], [5844], [5848], [5852], [5856], [5860], [5864], [5868], [5879], [5890], [5894], [5898], [5909], [5913], [5917], [5921], [5925], [5929], [5933], [5937], [5941], [5945], [5949], [5953], [5957], [5961], [5965], [5969], [5973], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6031], [6035], [6039], [6043], [6054], [6058], [6062], [6066], [6070], [6074], [6078], [6082], [6086], [6090], [6094], [6098], [6102], [6106], [6110], [6114], [6118], [6122], [6126], [6130], [6134], [6138], [6142], [6153], [6157], [6161], [6165], [6169], [6173], [6177], [6181], [6185], [6189], [6193], [6197], [6201], [6205], [6209], [6220], [6224], [6228], [6232], [6236], [6247], [6251], [6255], [6259], [6263], [6267], [6271], [6275], [6279], [6290], [6294], [6298], [6309], [6313], [6317], [6321], [6325], [6329], [6333], [6337], [6341], [6345], [6349], [6353], [6364], [6368], [6372], [6376], [6380], [6384], [6388], [6392], [6403], [6407], [6411], [6415], [6419], [6423], [6427], [6431], [6435], [6439], [6443], [6447], [6458], [6462], [6473], [6477], [6481], [6485], [6496], [6500], [6504], [6508], [6512], [6516], [6520], [6524], [6535], [6539], [6543], [6554], [6558], [6562], [6566], [6570], [6574], [6578], [6582], [6586], [6590], [6594], [6598], [6602], [6606], [6610], [6614], [6618], [6622], [6626], [6630], [6634], [6638], [6642], [6646], [6650], [6654], [6658], [6662], [6666], [6670], [6674], [6678], [6682], [6686], [6690], [6694], [6705], [6709], [6720], [6724], [6728], [6732], [6736], [6740], [6744], [6748], [6752], [6756], [6767], [6771], [6775], [6779], [6783], [6787], [6791], [6795], [6799], [6802], [6826], [6829], [6830], [6833], [6834], [6835], [6839], [6840] [2018-09-11 19:21:39,195 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:21:39,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:21:40,596 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:21:40,596 INFO L272 AbstractInterpreter]: Visited 516 different actions 1026 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-11 19:21:40,601 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:21:41,813 INFO L232 lantSequenceWeakener]: Weakened 557 states. On average, predicates are now at 75.23% of their original sizes. [2018-09-11 19:21:41,813 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:21:41,972 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:21:41,972 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:21:41,972 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-11 19:21:41,972 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:21:41,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-11 19:21:41,974 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-11 19:21:41,974 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-11 19:21:41,974 INFO L87 Difference]: Start difference. First operand 7342 states and 8927 transitions. Second operand 13 states. [2018-09-11 19:22:22,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:22:22,530 INFO L93 Difference]: Finished difference Result 10508 states and 14976 transitions. [2018-09-11 19:22:22,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-11 19:22:22,533 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 560 [2018-09-11 19:22:22,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:22:22,572 INFO L225 Difference]: With dead ends: 10508 [2018-09-11 19:22:22,573 INFO L226 Difference]: Without dead ends: 8740 [2018-09-11 19:22:22,585 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 570 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-11 19:22:22,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8740 states. [2018-09-11 19:22:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8740 to 8737. [2018-09-11 19:22:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8737 states. [2018-09-11 19:22:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8737 states to 8737 states and 10340 transitions. [2018-09-11 19:22:22,741 INFO L78 Accepts]: Start accepts. Automaton has 8737 states and 10340 transitions. Word has length 560 [2018-09-11 19:22:22,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:22:22,743 INFO L480 AbstractCegarLoop]: Abstraction has 8737 states and 10340 transitions. [2018-09-11 19:22:22,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-11 19:22:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 8737 states and 10340 transitions. [2018-09-11 19:22:22,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 657 [2018-09-11 19:22:22,752 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:22:22,753 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:22:22,754 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]=== [2018-09-11 19:22:22,754 INFO L82 PathProgramCache]: Analyzing trace with hash -203510758, now seen corresponding path program 1 times [2018-09-11 19:22:22,754 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:22:22,755 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 657 with the following transitions: [2018-09-11 19:22:22,755 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1382], [1384], [1387], [1395], [1403], [1411], [1419], [1427], [1435], [1443], [1451], [1459], [1467], [1475], [1483], [1491], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1765], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2452], [2456], [2467], [2471], [2482], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2560], [2564], [2575], [2579], [2583], [2587], [2591], [2595], [2599], [2603], [2607], [2611], [2615], [2619], [2623], [2627], [2631], [2635], [2639], [2643], [2647], [2649], [2650], [5775], [5779], [5785], [5789], [5791], [5796], [5800], [5804], [5808], [5812], [5816], [5820], [5824], [5828], [5832], [5836], [5840], [5844], [5848], [5852], [5856], [5860], [5864], [5868], [5879], [5890], [5894], [5898], [5909], [5913], [5917], [5921], [5925], [5929], [5933], [5937], [5941], [5945], [5949], [5953], [5957], [5961], [5965], [5969], [5973], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6031], [6035], [6039], [6043], [6054], [6058], [6062], [6066], [6070], [6074], [6078], [6082], [6086], [6090], [6094], [6098], [6102], [6106], [6110], [6114], [6118], [6122], [6126], [6130], [6134], [6138], [6142], [6153], [6157], [6161], [6165], [6169], [6173], [6177], [6181], [6185], [6189], [6193], [6197], [6201], [6205], [6209], [6220], [6224], [6228], [6232], [6236], [6247], [6251], [6255], [6259], [6263], [6267], [6271], [6275], [6279], [6290], [6294], [6298], [6309], [6313], [6317], [6321], [6325], [6329], [6333], [6337], [6341], [6345], [6349], [6353], [6364], [6368], [6372], [6376], [6380], [6384], [6388], [6392], [6403], [6407], [6411], [6415], [6419], [6423], [6427], [6431], [6435], [6439], [6443], [6447], [6458], [6462], [6473], [6477], [6481], [6485], [6496], [6500], [6504], [6508], [6512], [6516], [6520], [6524], [6535], [6539], [6543], [6554], [6558], [6562], [6566], [6570], [6574], [6578], [6582], [6586], [6590], [6594], [6598], [6602], [6606], [6610], [6614], [6618], [6622], [6626], [6630], [6634], [6638], [6642], [6646], [6650], [6654], [6658], [6662], [6666], [6670], [6674], [6678], [6682], [6686], [6690], [6694], [6705], [6709], [6720], [6724], [6728], [6732], [6736], [6740], [6743], [6826], [6829], [6830], [6833], [6834], [6835], [6839], [6840] [2018-09-11 19:22:22,762 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:22:22,763 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:22:24,572 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:22:24,573 INFO L272 AbstractInterpreter]: Visited 504 different actions 1505 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-11 19:22:24,609 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:22:25,450 INFO L232 lantSequenceWeakener]: Weakened 653 states. On average, predicates are now at 75.26% of their original sizes. [2018-09-11 19:22:25,451 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:22:25,637 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:22:25,637 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:22:25,637 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-11 19:22:25,637 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:22:25,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-11 19:22:25,638 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-11 19:22:25,638 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-11 19:22:25,639 INFO L87 Difference]: Start difference. First operand 8737 states and 10340 transitions. Second operand 13 states. [2018-09-11 19:23:02,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 19:23:02,662 INFO L93 Difference]: Finished difference Result 11923 states and 16425 transitions. [2018-09-11 19:23:02,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-11 19:23:02,668 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 656 [2018-09-11 19:23:02,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 19:23:02,707 INFO L225 Difference]: With dead ends: 11923 [2018-09-11 19:23:02,708 INFO L226 Difference]: Without dead ends: 10155 [2018-09-11 19:23:02,715 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 666 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2018-09-11 19:23:02,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10155 states. [2018-09-11 19:23:02,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10155 to 10147. [2018-09-11 19:23:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10147 states. [2018-09-11 19:23:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10147 states to 10147 states and 11828 transitions. [2018-09-11 19:23:02,878 INFO L78 Accepts]: Start accepts. Automaton has 10147 states and 11828 transitions. Word has length 656 [2018-09-11 19:23:02,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 19:23:02,879 INFO L480 AbstractCegarLoop]: Abstraction has 10147 states and 11828 transitions. [2018-09-11 19:23:02,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-11 19:23:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 10147 states and 11828 transitions. [2018-09-11 19:23:02,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2018-09-11 19:23:02,890 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 19:23:02,891 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:02,891 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]=== [2018-09-11 19:23:02,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1569088383, now seen corresponding path program 1 times [2018-09-11 19:23:02,892 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 19:23:02,892 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 765 with the following transitions: [2018-09-11 19:23:02,893 INFO L202 CegarAbsIntRunner]: [0], [1], [1075], [1082], [1090], [1098], [1106], [1114], [1122], [1130], [1138], [1146], [1154], [1162], [1170], [1178], [1186], [1194], [1202], [1210], [1218], [1226], [1234], [1242], [1250], [1258], [1266], [1274], [1282], [1290], [1298], [1306], [1314], [1322], [1330], [1338], [1346], [1354], [1362], [1370], [1378], [1382], [1384], [1387], [1395], [1403], [1411], [1419], [1427], [1435], [1443], [1451], [1459], [1467], [1475], [1483], [1491], [1499], [1507], [1515], [1523], [1531], [1539], [1547], [1555], [1563], [1575], [1579], [1590], [1594], [1598], [1602], [1606], [1610], [1614], [1618], [1622], [1626], [1630], [1634], [1645], [1656], [1667], [1671], [1675], [1686], [1690], [1694], [1698], [1702], [1706], [1710], [1714], [1718], [1722], [1726], [1730], [1734], [1738], [1742], [1746], [1750], [1754], [1758], [1762], [1766], [1770], [1774], [1778], [1782], [1786], [1790], [1794], [1798], [1802], [1806], [1810], [1814], [1825], [1829], [1833], [1844], [1848], [1852], [1856], [1860], [1864], [1868], [1872], [1876], [1880], [1884], [1888], [1899], [1903], [1907], [1911], [1915], [1919], [1923], [1927], [1931], [1935], [1939], [1950], [1954], [1958], [1969], [1973], [1977], [1988], [1992], [1996], [2000], [2004], [2008], [2012], [2016], [2020], [2024], [2028], [2032], [2036], [2040], [2044], [2048], [2052], [2056], [2060], [2064], [2068], [2072], [2076], [2080], [2084], [2088], [2099], [2103], [2107], [2111], [2115], [2126], [2130], [2134], [2138], [2142], [2146], [2150], [2154], [2158], [2162], [2173], [2177], [2181], [2192], [2196], [2200], [2204], [2208], [2219], [2223], [2227], [2231], [2235], [2239], [2250], [2261], [2265], [2269], [2273], [2277], [2280], [2285], [2287], [2288], [2292], [2303], [2307], [2311], [2315], [2319], [2323], [2334], [2338], [2342], [2346], [2350], [2354], [2358], [2362], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2452], [2456], [2467], [2471], [2482], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2560], [2564], [2575], [2579], [2583], [2587], [2591], [2595], [2599], [2603], [2607], [2611], [2615], [2619], [2623], [2627], [2631], [2635], [2639], [2643], [2647], [2649], [2650], [5775], [5779], [5785], [5789], [5791], [5796], [5800], [5804], [5808], [5812], [5816], [5820], [5824], [5828], [5832], [5836], [5840], [5844], [5848], [5852], [5856], [5860], [5864], [5868], [5879], [5890], [5894], [5898], [5909], [5913], [5917], [5921], [5925], [5929], [5933], [5937], [5941], [5945], [5949], [5953], [5957], [5961], [5965], [5969], [5973], [5977], [5981], [5985], [5996], [6000], [6004], [6008], [6012], [6016], [6020], [6031], [6035], [6039], [6043], [6054], [6058], [6062], [6066], [6070], [6074], [6078], [6082], [6086], [6090], [6094], [6098], [6102], [6106], [6110], [6114], [6118], [6122], [6126], [6130], [6134], [6138], [6142], [6153], [6157], [6161], [6165], [6169], [6173], [6177], [6181], [6185], [6189], [6193], [6197], [6201], [6205], [6209], [6220], [6224], [6228], [6232], [6236], [6247], [6251], [6255], [6259], [6263], [6267], [6271], [6275], [6279], [6290], [6294], [6298], [6309], [6313], [6317], [6321], [6325], [6329], [6333], [6337], [6341], [6345], [6349], [6353], [6364], [6368], [6372], [6376], [6380], [6384], [6388], [6392], [6403], [6407], [6411], [6415], [6419], [6423], [6427], [6431], [6435], [6439], [6443], [6447], [6458], [6462], [6473], [6477], [6481], [6485], [6496], [6500], [6504], [6508], [6512], [6516], [6520], [6524], [6535], [6539], [6543], [6554], [6558], [6562], [6566], [6570], [6574], [6578], [6582], [6586], [6590], [6594], [6598], [6602], [6606], [6610], [6614], [6618], [6622], [6626], [6630], [6634], [6638], [6642], [6646], [6650], [6654], [6658], [6662], [6666], [6670], [6674], [6678], [6682], [6686], [6690], [6694], [6705], [6709], [6720], [6724], [6728], [6732], [6736], [6740], [6743], [6826], [6829], [6830], [6833], [6834], [6835], [6839], [6840] [2018-09-11 19:23:02,897 INFO L148 AbstractInterpreter]: Using domain CongruenceDomain [2018-09-11 19:23:02,897 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CongruenceDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 19:23:04,853 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 19:23:04,854 INFO L272 AbstractInterpreter]: Visited 506 different actions 1509 times. Merged at 7 different actions 15 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 26 variables. [2018-09-11 19:23:04,858 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 19:23:05,811 INFO L232 lantSequenceWeakener]: Weakened 761 states. On average, predicates are now at 75.25% of their original sizes. [2018-09-11 19:23:05,811 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 19:23:06,010 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 19:23:06,011 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 19:23:06,011 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-11 19:23:06,011 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 19:23:06,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-11 19:23:06,013 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-11 19:23:06,013 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-09-11 19:23:06,013 INFO L87 Difference]: Start difference. First operand 10147 states and 11828 transitions. Second operand 15 states. Received shutdown request... [2018-09-11 19:23:28,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-09-11 19:23:28,523 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-11 19:23:28,529 WARN L206 ceAbstractionStarter]: Timeout [2018-09-11 19:23:28,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 07:23:28 BoogieIcfgContainer [2018-09-11 19:23:28,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 19:23:28,530 INFO L168 Benchmark]: Toolchain (without parser) took 238556.47 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.3 GB in the end (delta: -1.9 GB). Peak memory consumption was 545.2 MB. Max. memory is 7.1 GB. [2018-09-11 19:23:28,532 INFO L168 Benchmark]: CDTParser took 0.20 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 19:23:28,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4233.72 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 174.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -100.2 MB). Peak memory consumption was 476.9 MB. Max. memory is 7.1 GB. [2018-09-11 19:23:28,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 333.35 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. [2018-09-11 19:23:28,534 INFO L168 Benchmark]: Boogie Preprocessor took 1773.23 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 902.3 MB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -925.2 MB). Peak memory consumption was 131.0 MB. Max. memory is 7.1 GB. [2018-09-11 19:23:28,535 INFO L168 Benchmark]: RCFGBuilder took 23944.31 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 212.9 MB). Free memory was 2.4 GB in the beginning and 2.0 GB in the end (delta: 326.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-11 19:23:28,536 INFO L168 Benchmark]: TraceAbstraction took 208264.89 ms. Allocated memory was 2.8 GB in the beginning and 4.0 GB in the end (delta: 1.1 GB). Free memory was 2.0 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-11 19:23:28,542 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 4233.72 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 174.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -100.2 MB). Peak memory consumption was 476.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 333.35 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1773.23 ms. Allocated memory was 1.7 GB in the beginning and 2.6 GB in the end (delta: 902.3 MB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -925.2 MB). Peak memory consumption was 131.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 23944.31 ms. Allocated memory was 2.6 GB in the beginning and 2.8 GB in the end (delta: 212.9 MB). Free memory was 2.4 GB in the beginning and 2.0 GB in the end (delta: 326.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 208264.89 ms. Allocated memory was 2.8 GB in the beginning and 4.0 GB in the end (delta: 1.1 GB). Free memory was 2.0 GB in the beginning and 3.3 GB in the end (delta: -1.2 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 148). Cancelled while BasicCegarLoop was constructing difference of abstraction (10147states) and FLOYD_HOARE automaton (currently 37 states, 15 states before enhancement), while ReachableStatesComputation was computing reachable states (6871 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 208.1s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 190.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10092 SDtfs, 22554 SDslu, 7308 SDs, 0 SdLazy, 121086 SolverSat, 9081 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 165.5s Time, PredicateUnifierStatistics: 12 DeclaredPredicates, 2925 GetRequests, 2807 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10147occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.8s AbstIntTime, 6 AbstIntIterations, 6 AbstIntStrong, 0.9987551708063037 AbsIntWeakeningRatio, 0.05239259517988124 AbsIntAvgWeakeningVarsNumRemoved, 0.5117010129235068 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label12_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_19-23-28-558.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem19_label12_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_CON-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_19-23-28-558.csv Completed graceful shutdown