java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label14_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-08 14:37:14,855 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-08 14:37:14,857 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-08 14:37:14,869 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-08 14:37:14,869 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-08 14:37:14,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-08 14:37:14,872 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-08 14:37:14,874 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-08 14:37:14,875 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-08 14:37:14,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-08 14:37:14,877 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-08 14:37:14,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-08 14:37:14,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-08 14:37:14,880 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-08 14:37:14,881 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-08 14:37:14,882 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-08 14:37:14,883 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-08 14:37:14,884 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-08 14:37:14,887 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-08 14:37:14,888 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-08 14:37:14,889 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-08 14:37:14,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-08 14:37:14,893 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-08-08 14:37:14,894 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-08-08 14:37:14,894 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-08-08 14:37:14,895 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-08-08 14:37:14,896 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-08-08 14:37:14,897 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-08-08 14:37:14,897 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-08-08 14:37:14,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-08-08 14:37:14,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-08-08 14:37:14,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-08-08 14:37:14,902 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-08-08 14:37:14,903 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-08-08 14:37:14,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-08-08 14:37:14,905 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-08-08 14:37:14,905 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-08-08 14:37:14,936 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-08 14:37:14,936 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-08 14:37:14,937 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-08 14:37:14,938 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-08 14:37:14,939 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-08 14:37:14,939 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-08 14:37:14,939 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-08 14:37:14,939 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-08 14:37:14,939 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-08 14:37:14,940 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-08 14:37:14,940 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-08 14:37:14,940 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-08 14:37:14,941 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-08 14:37:14,942 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-08 14:37:14,942 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-08 14:37:14,942 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-08 14:37:14,944 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-08 14:37:14,944 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-08 14:37:14,944 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-08 14:37:14,944 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-08 14:37:14,945 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-08 14:37:14,945 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-08 14:37:14,945 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-08 14:37:14,945 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-08 14:37:14,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 14:37:14,946 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-08 14:37:14,946 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-08 14:37:14,946 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-08 14:37:14,947 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-08 14:37:14,947 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-08 14:37:14,947 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-08 14:37:14,947 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-08 14:37:14,947 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-08 14:37:14,948 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-08 14:37:15,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-08 14:37:15,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-08 14:37:15,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-08 14:37:15,045 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-08 14:37:15,046 INFO L276 PluginConnector]: CDTParser initialized [2018-08-08 14:37:15,047 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label14_true-unreach-call.c [2018-08-08 14:37:15,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32fbc7780/291d32264d8743fab142ae32c4f5ecd3/FLAGfdb36144d [2018-08-08 14:37:15,807 INFO L276 CDTParser]: Found 1 translation units. [2018-08-08 14:37:15,808 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label14_true-unreach-call.c [2018-08-08 14:37:15,832 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32fbc7780/291d32264d8743fab142ae32c4f5ecd3/FLAGfdb36144d [2018-08-08 14:37:15,850 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32fbc7780/291d32264d8743fab142ae32c4f5ecd3 [2018-08-08 14:37:15,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-08 14:37:15,869 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-08 14:37:15,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-08 14:37:15,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-08 14:37:15,878 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-08 14:37:15,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:37:15" (1/1) ... [2018-08-08 14:37:15,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e12a667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:15, skipping insertion in model container [2018-08-08 14:37:15,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:37:15" (1/1) ... [2018-08-08 14:37:16,220 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-08 14:37:17,051 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:37:17,068 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-08 14:37:17,476 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-08 14:37:17,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17 WrapperNode [2018-08-08 14:37:17,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-08 14:37:17,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-08 14:37:17,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-08 14:37:17,717 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-08 14:37:17,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (1/1) ... [2018-08-08 14:37:17,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (1/1) ... [2018-08-08 14:37:18,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-08 14:37:18,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-08 14:37:18,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-08 14:37:18,022 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-08 14:37:18,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (1/1) ... [2018-08-08 14:37:18,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (1/1) ... [2018-08-08 14:37:18,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (1/1) ... [2018-08-08 14:37:18,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (1/1) ... [2018-08-08 14:37:18,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (1/1) ... [2018-08-08 14:37:18,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (1/1) ... [2018-08-08 14:37:18,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (1/1) ... [2018-08-08 14:37:18,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-08 14:37:18,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-08 14:37:18,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-08 14:37:18,949 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-08 14:37:18,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-08 14:37:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-08 14:37:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-08 14:37:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 14:37:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_output [2018-08-08 14:37:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-08 14:37:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-08 14:37:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-08 14:37:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-08 14:37:19,028 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 [2018-08-08 14:37:19,028 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 [2018-08-08 14:37:32,146 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-08 14:37:32,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:37:32 BoogieIcfgContainer [2018-08-08 14:37:32,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-08 14:37:32,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-08-08 14:37:32,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-08-08 14:37:32,153 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-08-08 14:37:32,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 02:37:15" (1/3) ... [2018-08-08 14:37:32,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e949f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:37:32, skipping insertion in model container [2018-08-08 14:37:32,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:37:17" (2/3) ... [2018-08-08 14:37:32,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e949f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 02:37:32, skipping insertion in model container [2018-08-08 14:37:32,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:37:32" (3/3) ... [2018-08-08 14:37:32,158 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label14_true-unreach-call.c [2018-08-08 14:37:32,169 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-08-08 14:37:32,184 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-08-08 14:37:32,255 INFO L129 ementStrategyFactory]: Using default assertion order modulation [2018-08-08 14:37:32,256 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-08-08 14:37:32,256 INFO L382 AbstractCegarLoop]: Hoare is true [2018-08-08 14:37:32,256 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-08-08 14:37:32,257 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-08-08 14:37:32,257 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-08-08 14:37:32,257 INFO L386 AbstractCegarLoop]: Difference is false [2018-08-08 14:37:32,257 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-08-08 14:37:32,257 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-08-08 14:37:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-08-08 14:37:32,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-08-08 14:37:32,302 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:37:32,303 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] [2018-08-08 14:37:32,304 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:37:32,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1123343652, now seen corresponding path program 1 times [2018-08-08 14:37:32,313 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:37:32,314 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 55 with the following transitions: [2018-08-08 14:37:32,317 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], [333], [335], [1574], [1578], [1584], [1588], [2306], [2307], [2308], [2310] [2018-08-08 14:37:32,380 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:37:32,381 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:37:35,074 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:37:35,076 INFO L272 AbstractInterpreter]: Visited 53 different actions 53 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-08-08 14:37:35,101 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:37:36,358 INFO L232 lantSequenceWeakener]: Weakened 52 states. On average, predicates are now at 77.81% of their original sizes. [2018-08-08 14:37:36,359 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:37:36,669 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:37:36,671 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:37:36,671 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-08-08 14:37:36,671 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:37:36,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-08-08 14:37:36,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-08-08 14:37:36,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:37:36,687 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2018-08-08 14:37:59,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:37:59,287 INFO L93 Difference]: Finished difference Result 1642 states and 3016 transitions. [2018-08-08 14:37:59,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-08-08 14:37:59,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-08-08 14:37:59,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:37:59,322 INFO L225 Difference]: With dead ends: 1642 [2018-08-08 14:37:59,322 INFO L226 Difference]: Without dead ends: 1036 [2018-08-08 14:37:59,337 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-08-08 14:37:59,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-08-08 14:37:59,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1034. [2018-08-08 14:37:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-08-08 14:37:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1511 transitions. [2018-08-08 14:37:59,472 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1511 transitions. Word has length 54 [2018-08-08 14:37:59,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:37:59,473 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1511 transitions. [2018-08-08 14:37:59,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-08-08 14:37:59,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1511 transitions. [2018-08-08 14:37:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-08-08 14:37:59,480 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:37:59,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 14:37:59,481 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:37:59,481 INFO L82 PathProgramCache]: Analyzing trace with hash -43070987, now seen corresponding path program 1 times [2018-08-08 14:37:59,481 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:37:59,482 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 130 with the following transitions: [2018-08-08 14:37:59,482 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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:37:59,488 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:37:59,488 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:38:03,544 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:38:13,576 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:38:13,576 INFO L272 AbstractInterpreter]: Visited 82 different actions 233 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:38:13,583 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:38:15,053 INFO L232 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 76.22% of their original sizes. [2018-08-08 14:38:15,053 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:38:16,359 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:38:16,360 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:38:16,360 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-08-08 14:38:16,360 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:38:16,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-08-08 14:38:16,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-08-08 14:38:16,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-08-08 14:38:16,362 INFO L87 Difference]: Start difference. First operand 1034 states and 1511 transitions. Second operand 13 states. [2018-08-08 14:39:00,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:39:00,881 INFO L93 Difference]: Finished difference Result 2814 states and 4895 transitions. [2018-08-08 14:39:00,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-08-08 14:39:00,882 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 129 [2018-08-08 14:39:00,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:39:00,893 INFO L225 Difference]: With dead ends: 2814 [2018-08-08 14:39:00,893 INFO L226 Difference]: Without dead ends: 2220 [2018-08-08 14:39:00,897 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 142 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=157, Invalid=545, Unknown=0, NotChecked=0, Total=702 [2018-08-08 14:39:00,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2018-08-08 14:39:00,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 1497. [2018-08-08 14:39:00,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1497 states. [2018-08-08 14:39:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2009 transitions. [2018-08-08 14:39:00,968 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2009 transitions. Word has length 129 [2018-08-08 14:39:00,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:39:00,969 INFO L480 AbstractCegarLoop]: Abstraction has 1497 states and 2009 transitions. [2018-08-08 14:39:00,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-08-08 14:39:00,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2009 transitions. [2018-08-08 14:39:00,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-08-08 14:39:00,973 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:39:00,974 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-08-08 14:39:00,974 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:39:00,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1869535474, now seen corresponding path program 1 times [2018-08-08 14:39:00,974 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:39:00,975 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-08-08 14:39:00,975 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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [546], [550], [554], [558], [562], [566], [570], [573], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:39:00,982 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:39:00,982 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:39:05,988 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:39:23,835 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:39:23,836 INFO L272 AbstractInterpreter]: Visited 95 different actions 272 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-08-08 14:39:23,847 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:39:26,015 INFO L232 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 76.11% of their original sizes. [2018-08-08 14:39:26,015 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-08-08 14:39:34,652 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-08-08 14:39:34,652 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-08-08 14:39:34,653 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-08-08 14:39:34,653 INFO L262 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-08-08 14:39:34,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-08-08 14:39:34,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-08-08 14:39:34,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-08-08 14:39:34,654 INFO L87 Difference]: Start difference. First operand 1497 states and 2009 transitions. Second operand 13 states. [2018-08-08 14:40:37,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-08-08 14:40:37,426 INFO L93 Difference]: Finished difference Result 2646 states and 4140 transitions. [2018-08-08 14:40:37,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-08-08 14:40:37,427 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 142 [2018-08-08 14:40:37,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-08-08 14:40:37,439 INFO L225 Difference]: With dead ends: 2646 [2018-08-08 14:40:37,439 INFO L226 Difference]: Without dead ends: 2052 [2018-08-08 14:40:37,442 INFO L603 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 69 SyntacticMatches, 61 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2018-08-08 14:40:37,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2018-08-08 14:40:37,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1962. [2018-08-08 14:40:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2018-08-08 14:40:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2620 transitions. [2018-08-08 14:40:37,505 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2620 transitions. Word has length 142 [2018-08-08 14:40:37,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-08-08 14:40:37,506 INFO L480 AbstractCegarLoop]: Abstraction has 1962 states and 2620 transitions. [2018-08-08 14:40:37,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-08-08 14:40:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2620 transitions. [2018-08-08 14:40:37,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-08-08 14:40:37,511 INFO L368 BasicCegarLoop]: Found error trace [2018-08-08 14:40:37,512 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2018-08-08 14:40:37,512 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_c__calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-08-08 14:40:37,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1344496957, now seen corresponding path program 1 times [2018-08-08 14:40:37,513 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-08-08 14:40:37,513 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-08-08 14:40:37,513 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], [333], [335], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [546], [550], [554], [558], [562], [566], [570], [573], [1570], [1574], [1578], [1584], [1588], [1590], [2306], [2307], [2308], [2310], [2311] [2018-08-08 14:40:37,518 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-08-08 14:40:37,518 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-08 14:40:40,642 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-08 14:41:24,663 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-08-08 14:41:24,663 INFO L272 AbstractInterpreter]: Visited 96 different actions 650 times. Merged at 7 different actions 44 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 2 different actions. Largest state had 26 variables. [2018-08-08 14:41:24,673 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-08-08 14:41:28,623 INFO L232 lantSequenceWeakener]: Weakened 215 states. On average, predicates are now at 75.76% of their original sizes. [2018-08-08 14:41:28,623 INFO L412 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-08-08 14:41:35,666 WARN L549 AbstractCegarLoop]: Verification canceled [2018-08-08 14:41:35,671 WARN L202 ceAbstractionStarter]: Timeout [2018-08-08 14:41:35,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 02:41:35 BoogieIcfgContainer [2018-08-08 14:41:35,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-08-08 14:41:35,672 INFO L168 Benchmark]: Toolchain (without parser) took 259807.44 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-08-08 14:41:35,675 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-08 14:41:35,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1846.81 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. [2018-08-08 14:41:35,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 304.59 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: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. [2018-08-08 14:41:35,677 INFO L168 Benchmark]: Boogie Preprocessor took 926.36 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 918.6 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. [2018-08-08 14:41:35,678 INFO L168 Benchmark]: RCFGBuilder took 13199.00 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 506.8 MB). Peak memory consumption was 506.8 MB. Max. memory is 7.1 GB. [2018-08-08 14:41:35,679 INFO L168 Benchmark]: TraceAbstraction took 243523.04 ms. Allocated memory was 2.4 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 1.8 GB in the beginning and 2.9 GB in the end (delta: -1.1 GB). Peak memory consumption was 749.1 MB. Max. memory is 7.1 GB. [2018-08-08 14:41:35,684 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1846.81 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 304.59 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: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 926.36 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 918.6 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 123.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13199.00 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.8 GB in the end (delta: 506.8 MB). Peak memory consumption was 506.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243523.04 ms. Allocated memory was 2.4 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 1.8 GB in the beginning and 2.9 GB in the end (delta: -1.1 GB). Peak memory consumption was 749.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 149]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 149). Cancelled while BasicCegarLoop was analyzing trace of length 218 with TraceHistMax 3, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 12 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 243.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 129.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1810 SDtfs, 9023 SDslu, 1863 SDs, 0 SdLazy, 17934 SolverSat, 1939 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 121.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 348 GetRequests, 235 SyntacticMatches, 61 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1962occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 86.9s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9933655037651314 AbsIntWeakeningRatio, 0.15613382899628253 AbsIntAvgWeakeningVarsNumRemoved, 53.226765799256505 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 815 StatesRemovedByMinimization, 3 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/Problem17_label14_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-08-08_14-41-35-698.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem17_label14_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-08-08_14-41-35-698.csv Completed graceful shutdown