java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem18_label18_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-11 12:42:41,890 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-11 12:42:41,892 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-11 12:42:41,906 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-11 12:42:41,906 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-11 12:42:41,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-11 12:42:41,910 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-11 12:42:41,911 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-11 12:42:41,914 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-11 12:42:41,914 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-11 12:42:41,915 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-11 12:42:41,921 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-11 12:42:41,925 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-11 12:42:41,927 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-11 12:42:41,928 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-11 12:42:41,929 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-11 12:42:41,930 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-11 12:42:41,932 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-11 12:42:41,934 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-11 12:42:41,935 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-11 12:42:41,936 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-11 12:42:41,937 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-11 12:42:41,939 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-11 12:42:41,939 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-11 12:42:41,940 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-11 12:42:41,940 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-11 12:42:41,941 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-11 12:42:41,942 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-11 12:42:41,943 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-11 12:42:41,944 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-11 12:42:41,944 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-11 12:42:41,945 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-11 12:42:41,945 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-11 12:42:41,945 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-11 12:42:41,946 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-11 12:42:41,947 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-11 12:42:41,947 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-11 12:42:41,969 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-11 12:42:41,970 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-11 12:42:41,971 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-11 12:42:41,971 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-11 12:42:41,971 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-11 12:42:41,971 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-11 12:42:41,971 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-11 12:42:41,972 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-11 12:42:41,972 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-11 12:42:41,972 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-11 12:42:41,972 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-11 12:42:41,973 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-11 12:42:41,973 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-11 12:42:41,973 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-11 12:42:41,973 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-11 12:42:41,974 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-11 12:42:41,974 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-11 12:42:41,974 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-11 12:42:41,974 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-11 12:42:41,974 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-11 12:42:41,975 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-11 12:42:41,975 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-11 12:42:41,975 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-11 12:42:41,975 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-11 12:42:41,975 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-11 12:42:41,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-11 12:42:41,976 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-11 12:42:41,976 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-11 12:42:41,976 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-11 12:42:41,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-11 12:42:41,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-11 12:42:41,977 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-11 12:42:41,977 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-11 12:42:42,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-11 12:42:42,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-11 12:42:42,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-11 12:42:42,059 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-11 12:42:42,059 INFO L276 PluginConnector]: CDTParser initialized [2018-09-11 12:42:42,060 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label18_true-unreach-call.c [2018-09-11 12:42:42,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea4a9a27/1e135c4a32f94641a5ad335810e18655/FLAG76131ba84 [2018-09-11 12:42:42,919 INFO L276 CDTParser]: Found 1 translation units. [2018-09-11 12:42:42,920 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label18_true-unreach-call.c [2018-09-11 12:42:42,949 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea4a9a27/1e135c4a32f94641a5ad335810e18655/FLAG76131ba84 [2018-09-11 12:42:42,966 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea4a9a27/1e135c4a32f94641a5ad335810e18655 [2018-09-11 12:42:42,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-11 12:42:42,983 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-11 12:42:42,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-11 12:42:42,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-11 12:42:42,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-11 12:42:42,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 12:42:42" (1/1) ... [2018-09-11 12:42:42,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655a2800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:42, skipping insertion in model container [2018-09-11 12:42:42,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 12:42:42" (1/1) ... [2018-09-11 12:42:43,330 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-11 12:42:44,241 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 12:42:44,262 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-11 12:42:44,888 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-11 12:42:45,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45 WrapperNode [2018-09-11 12:42:45,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-11 12:42:45,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-11 12:42:45,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-11 12:42:45,084 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-11 12:42:45,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (1/1) ... [2018-09-11 12:42:45,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (1/1) ... [2018-09-11 12:42:45,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-11 12:42:45,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-11 12:42:45,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-11 12:42:45,295 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-11 12:42:45,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (1/1) ... [2018-09-11 12:42:45,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (1/1) ... [2018-09-11 12:42:45,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (1/1) ... [2018-09-11 12:42:45,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (1/1) ... [2018-09-11 12:42:45,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (1/1) ... [2018-09-11 12:42:45,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (1/1) ... [2018-09-11 12:42:45,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (1/1) ... [2018-09-11 12:42:46,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-11 12:42:46,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-11 12:42:46,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-11 12:42:46,033 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-11 12:42:46,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (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 12:42:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-11 12:42:46,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-11 12:42:46,118 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 12:42:46,118 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 12:42:46,118 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 12:42:46,118 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 12:42:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-11 12:42:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-11 12:42:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-11 12:42:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-11 12:42:46,119 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 12:42:46,119 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 12:42:54,844 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-11 12:42:54,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 12:42:54 BoogieIcfgContainer [2018-09-11 12:42:54,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-11 12:42:54,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-11 12:42:54,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-11 12:42:54,851 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-11 12:42:54,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 12:42:42" (1/3) ... [2018-09-11 12:42:54,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9a5f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 12:42:54, skipping insertion in model container [2018-09-11 12:42:54,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:42:45" (2/3) ... [2018-09-11 12:42:54,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9a5f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 12:42:54, skipping insertion in model container [2018-09-11 12:42:54,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 12:42:54" (3/3) ... [2018-09-11 12:42:54,856 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem18_label18_true-unreach-call.c [2018-09-11 12:42:54,867 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-11 12:42:54,878 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-11 12:42:54,944 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-11 12:42:54,945 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-11 12:42:54,946 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-11 12:42:54,946 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-11 12:42:54,946 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-11 12:42:54,946 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-11 12:42:54,946 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-11 12:42:54,947 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-11 12:42:54,947 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-11 12:42:55,002 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states. [2018-09-11 12:42:55,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-11 12:42:55,016 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 12:42:55,018 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] [2018-09-11 12:42:55,019 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 12:42:55,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1378539244, now seen corresponding path program 1 times [2018-09-11 12:42:55,029 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 12:42:55,031 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 65 with the following transitions: [2018-09-11 12:42:55,034 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [2116], [2120], [2126], [2130], [3023], [3024], [3025], [3027] [2018-09-11 12:42:55,114 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-11 12:42:55,115 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 12:42:56,778 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 12:42:56,780 INFO L272 AbstractInterpreter]: Visited 63 different actions 63 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-11 12:42:56,822 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 12:42:57,873 INFO L232 lantSequenceWeakener]: Weakened 62 states. On average, predicates are now at 80.76% of their original sizes. [2018-09-11 12:42:57,873 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 12:42:58,201 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 12:42:58,204 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 12:42:58,204 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-11 12:42:58,204 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 12:42:58,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-11 12:42:58,219 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-11 12:42:58,219 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-11 12:42:58,222 INFO L87 Difference]: Start difference. First operand 775 states. Second operand 6 states. [2018-09-11 12:43:17,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 12:43:17,064 INFO L93 Difference]: Finished difference Result 2253 states and 4323 transitions. [2018-09-11 12:43:17,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-11 12:43:17,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-09-11 12:43:17,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 12:43:17,095 INFO L225 Difference]: With dead ends: 2253 [2018-09-11 12:43:17,095 INFO L226 Difference]: Without dead ends: 1476 [2018-09-11 12:43:17,105 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-11 12:43:17,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2018-09-11 12:43:17,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1474. [2018-09-11 12:43:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2018-09-11 12:43:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2167 transitions. [2018-09-11 12:43:17,244 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2167 transitions. Word has length 64 [2018-09-11 12:43:17,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 12:43:17,245 INFO L480 AbstractCegarLoop]: Abstraction has 1474 states and 2167 transitions. [2018-09-11 12:43:17,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-11 12:43:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2167 transitions. [2018-09-11 12:43:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-09-11 12:43:17,261 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 12:43:17,262 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:43:17,263 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 12:43:17,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1358163943, now seen corresponding path program 1 times [2018-09-11 12:43:17,263 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 12:43:17,263 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-09-11 12:43:17,264 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [935], [939], [943], [947], [951], [955], [959], [962], [1374], [2116], [2120], [2126], [2130], [2132], [3023], [3024], [3025], [3027], [3028] [2018-09-11 12:43:17,281 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-11 12:43:17,281 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 12:43:36,348 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 12:43:36,348 INFO L272 AbstractInterpreter]: Visited 194 different actions 381 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-11 12:43:36,359 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 12:43:41,827 INFO L232 lantSequenceWeakener]: Weakened 249 states. On average, predicates are now at 78.19% of their original sizes. [2018-09-11 12:43:41,827 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 12:43:44,693 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 12:43:44,693 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 12:43:44,694 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-11 12:43:44,694 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 12:43:44,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-11 12:43:44,697 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-11 12:43:44,697 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-11 12:43:44,698 INFO L87 Difference]: Start difference. First operand 1474 states and 2167 transitions. Second operand 11 states. [2018-09-11 12:44:15,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-11 12:44:15,660 INFO L93 Difference]: Finished difference Result 3651 states and 6419 transitions. [2018-09-11 12:44:15,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-11 12:44:15,662 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 251 [2018-09-11 12:44:15,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-11 12:44:15,683 INFO L225 Difference]: With dead ends: 3651 [2018-09-11 12:44:15,683 INFO L226 Difference]: Without dead ends: 2886 [2018-09-11 12:44:15,688 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 257 GetRequests, 189 SyntacticMatches, 52 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-11 12:44:15,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2018-09-11 12:44:15,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2881. [2018-09-11 12:44:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2881 states. [2018-09-11 12:44:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 3600 transitions. [2018-09-11 12:44:15,812 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 3600 transitions. Word has length 251 [2018-09-11 12:44:15,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-11 12:44:15,818 INFO L480 AbstractCegarLoop]: Abstraction has 2881 states and 3600 transitions. [2018-09-11 12:44:15,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-11 12:44:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 3600 transitions. [2018-09-11 12:44:15,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2018-09-11 12:44:15,848 INFO L368 BasicCegarLoop]: Found error trace [2018-09-11 12:44:15,848 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:44:15,849 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 12:44:15,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1025969334, now seen corresponding path program 1 times [2018-09-11 12:44:15,851 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-11 12:44:15,851 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 593 with the following transitions: [2018-09-11 12:44:15,853 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [995], [999], [1003], [1007], [1011], [1015], [1019], [1023], [1027], [1031], [1035], [1039], [1043], [1047], [1051], [1055], [1059], [1063], [1067], [1071], [1075], [1079], [1083], [1087], [1091], [1095], [1099], [1103], [1107], [1111], [1115], [1119], [1123], [1127], [1131], [1135], [1139], [1143], [1147], [1151], [1155], [1159], [1163], [1167], [1171], [1175], [1179], [1183], [1187], [1191], [1195], [1199], [1203], [1207], [1211], [1215], [1219], [1223], [1227], [1231], [1235], [1239], [1243], [1247], [1251], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1311], [1315], [1319], [1323], [1327], [1331], [1335], [1339], [1343], [1347], [1351], [1355], [1359], [1363], [1367], [1371], [1373], [1374], [1375], [1379], [1383], [1387], [1391], [1395], [1399], [1403], [1407], [1410], [2112], [2116], [2120], [2126], [2130], [2132], [2137], [2141], [2145], [2149], [2153], [2157], [2161], [2165], [2169], [2173], [2177], [2181], [2185], [2189], [2193], [2197], [2201], [2205], [2209], [2213], [2217], [2221], [2225], [2229], [2233], [2237], [2241], [2245], [2249], [2253], [2257], [2261], [2265], [2269], [2273], [2277], [2281], [2285], [2289], [2293], [2297], [2301], [2305], [2309], [2313], [2317], [2321], [2325], [2329], [2333], [2337], [2341], [2345], [2349], [2353], [2357], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2681], [2685], [2689], [2693], [2697], [2701], [2705], [2709], [2713], [2717], [2721], [2725], [2729], [2733], [2737], [2741], [2745], [2749], [2753], [2757], [2761], [2765], [2769], [2773], [2777], [2781], [2785], [2789], [2793], [2797], [2801], [2805], [2809], [2813], [2817], [2821], [2825], [2829], [2833], [2837], [2841], [2845], [2849], [2853], [2857], [2861], [2865], [2869], [2873], [2877], [2881], [2885], [2889], [2893], [2897], [2901], [2905], [2909], [2913], [2917], [2921], [2925], [2929], [2933], [2937], [2941], [2945], [2949], [2953], [2957], [2961], [2965], [2969], [2973], [2977], [2981], [2985], [2989], [2993], [2997], [3001], [3005], [3009], [3013], [3017], [3019], [3020], [3021], [3022], [3023], [3024], [3025], [3027], [3028], [3029], [3030] [2018-09-11 12:44:15,879 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-11 12:44:15,879 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-11 12:45:36,104 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-11 12:45:36,104 INFO L272 AbstractInterpreter]: Visited 535 different actions 1064 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-11 12:45:36,108 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-11 12:45:51,688 INFO L232 lantSequenceWeakener]: Weakened 590 states. On average, predicates are now at 77.67% of their original sizes. [2018-09-11 12:45:51,689 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-11 12:45:55,282 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-11 12:45:55,283 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-11 12:45:55,283 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2018-09-11 12:45:55,284 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-11 12:45:55,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-09-11 12:45:55,286 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-09-11 12:45:55,286 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2018-09-11 12:45:55,287 INFO L87 Difference]: Start difference. First operand 2881 states and 3600 transitions. Second operand 24 states. Received shutdown request... [2018-09-11 12:46:36,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-09-11 12:46:36,194 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-11 12:46:36,201 WARN L206 ceAbstractionStarter]: Timeout [2018-09-11 12:46:36,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 12:46:36 BoogieIcfgContainer [2018-09-11 12:46:36,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-11 12:46:36,203 INFO L168 Benchmark]: Toolchain (without parser) took 233223.46 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-11 12:46:36,205 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 12:46:36,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2098.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-09-11 12:46:36,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-11 12:46:36,207 INFO L168 Benchmark]: Boogie Preprocessor took 737.55 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 832.0 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2018-09-11 12:46:36,208 INFO L168 Benchmark]: RCFGBuilder took 8814.05 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 533.6 MB). Peak memory consumption was 533.6 MB. Max. memory is 7.1 GB. [2018-09-11 12:46:36,209 INFO L168 Benchmark]: TraceAbstraction took 221354.69 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -740.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-11 12:46:36,215 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 2098.72 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 210.74 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 737.55 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 832.0 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8814.05 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 533.6 MB). Peak memory consumption was 533.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 221354.69 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 2.5 GB in the end (delta: -740.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 180]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 180). Cancelled while BasicCegarLoop was constructing difference of abstraction (2881states) and FLOYD_HOARE automaton (currently 26 states, 24 states before enhancement), while ReachableStatesComputation was computing reachable states (2400 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 775 locations, 1 error locations. TIMEOUT Result, 221.2s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 90.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1658 SDtfs, 6215 SDslu, 1396 SDs, 0 SdLazy, 24211 SolverSat, 2294 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 931 GetRequests, 765 SyntacticMatches, 104 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1862 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2881occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 101.1s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9968415518206303 AbsIntWeakeningRatio, 0.06858407079646017 AbsIntAvgWeakeningVarsNumRemoved, 69.45464601769912 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 7 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: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem18_label18_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-11_12-46-36-230.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem18_label18_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-11_12-46-36-230.csv Completed graceful shutdown