java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label50_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 18:27:35,051 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 18:27:35,053 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 18:27:35,070 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 18:27:35,071 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 18:27:35,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 18:27:35,073 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 18:27:35,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 18:27:35,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 18:27:35,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 18:27:35,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 18:27:35,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 18:27:35,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 18:27:35,080 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 18:27:35,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 18:27:35,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 18:27:35,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 18:27:35,085 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 18:27:35,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 18:27:35,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 18:27:35,097 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 18:27:35,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 18:27:35,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 18:27:35,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 18:27:35,104 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 18:27:35,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 18:27:35,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 18:27:35,107 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 18:27:35,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 18:27:35,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 18:27:35,109 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 18:27:35,109 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 18:27:35,109 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 18:27:35,110 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 18:27:35,111 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 18:27:35,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 18:27:35,111 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 18:27:35,138 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 18:27:35,138 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 18:27:35,139 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 18:27:35,140 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 18:27:35,140 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 18:27:35,140 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 18:27:35,140 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 18:27:35,141 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 18:27:35,141 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 18:27:35,141 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 18:27:35,141 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 18:27:35,142 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 18:27:35,143 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 18:27:35,143 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 18:27:35,143 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 18:27:35,143 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 18:27:35,144 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 18:27:35,145 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 18:27:35,145 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 18:27:35,145 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 18:27:35,146 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 18:27:35,146 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 18:27:35,146 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 18:27:35,146 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 18:27:35,146 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 18:27:35,147 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 18:27:35,147 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 18:27:35,147 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 18:27:35,147 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 18:27:35,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 18:27:35,148 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 18:27:35,148 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 18:27:35,148 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 18:27:35,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 18:27:35,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 18:27:35,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 18:27:35,231 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 18:27:35,231 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 18:27:35,232 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label50_false-unreach-call.c [2018-07-23 18:27:35,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035ff10a9/3f6b638196044cb7893b8f0b300c8774/FLAG7dcc15739 [2018-07-23 18:27:35,992 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 18:27:35,993 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label50_false-unreach-call.c [2018-07-23 18:27:36,019 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035ff10a9/3f6b638196044cb7893b8f0b300c8774/FLAG7dcc15739 [2018-07-23 18:27:36,036 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/035ff10a9/3f6b638196044cb7893b8f0b300c8774 [2018-07-23 18:27:36,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 18:27:36,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 18:27:36,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 18:27:36,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 18:27:36,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 18:27:36,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:27:36" (1/1) ... [2018-07-23 18:27:36,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d1bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:36, skipping insertion in model container [2018-07-23 18:27:36,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 06:27:36" (1/1) ... [2018-07-23 18:27:36,382 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 18:27:36,994 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:27:37,014 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 18:27:37,272 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 18:27:37,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37 WrapperNode [2018-07-23 18:27:37,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 18:27:37,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 18:27:37,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 18:27:37,340 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 18:27:37,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (1/1) ... [2018-07-23 18:27:37,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (1/1) ... [2018-07-23 18:27:37,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 18:27:37,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 18:27:37,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 18:27:37,519 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 18:27:37,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (1/1) ... [2018-07-23 18:27:37,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (1/1) ... [2018-07-23 18:27:37,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (1/1) ... [2018-07-23 18:27:37,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (1/1) ... [2018-07-23 18:27:37,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (1/1) ... [2018-07-23 18:27:37,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (1/1) ... [2018-07-23 18:27:37,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (1/1) ... [2018-07-23 18:27:37,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 18:27:37,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 18:27:37,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 18:27:37,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 18:27:37,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (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 [2018-07-23 18:27:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 18:27:38,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 18:27:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 18:27:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 18:27:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 18:27:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 18:27:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 18:27:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_output [2018-07-23 18:27:42,880 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 18:27:42,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:27:42 BoogieIcfgContainer [2018-07-23 18:27:42,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 18:27:42,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 18:27:42,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 18:27:42,889 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 18:27:42,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 06:27:36" (1/3) ... [2018-07-23 18:27:42,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34692e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:27:42, skipping insertion in model container [2018-07-23 18:27:42,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 06:27:37" (2/3) ... [2018-07-23 18:27:42,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34692e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 06:27:42, skipping insertion in model container [2018-07-23 18:27:42,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 06:27:42" (3/3) ... [2018-07-23 18:27:42,893 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label50_false-unreach-call.c [2018-07-23 18:27:42,905 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 18:27:42,918 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 18:27:42,981 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 18:27:42,982 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 18:27:42,983 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 18:27:42,983 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 18:27:42,983 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 18:27:42,983 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 18:27:42,983 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 18:27:42,983 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 18:27:42,984 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 18:27:43,011 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-07-23 18:27:43,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-07-23 18:27:43,028 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:27:43,030 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 18:27:43,030 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:27:43,036 INFO L82 PathProgramCache]: Analyzing trace with hash -664724772, now seen corresponding path program 1 times [2018-07-23 18:27:43,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:27:43,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:27:43,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:27:43,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:27:43,095 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:27:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:27:43,866 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 18:27:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:27:43,985 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:27:43,985 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:27:43,986 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:27:43,993 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:27:44,008 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:27:44,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:27:44,012 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-07-23 18:27:46,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:27:46,142 INFO L93 Difference]: Finished difference Result 844 states and 1489 transitions. [2018-07-23 18:27:46,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:27:46,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2018-07-23 18:27:46,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:27:46,168 INFO L225 Difference]: With dead ends: 844 [2018-07-23 18:27:46,168 INFO L226 Difference]: Without dead ends: 530 [2018-07-23 18:27:46,176 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:27:46,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-07-23 18:27:46,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 525. [2018-07-23 18:27:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-07-23 18:27:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 865 transitions. [2018-07-23 18:27:46,298 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 865 transitions. Word has length 161 [2018-07-23 18:27:46,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:27:46,300 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 865 transitions. [2018-07-23 18:27:46,300 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:27:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 865 transitions. [2018-07-23 18:27:46,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 18:27:46,328 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:27:46,328 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 18:27:46,329 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:27:46,329 INFO L82 PathProgramCache]: Analyzing trace with hash 797512384, now seen corresponding path program 1 times [2018-07-23 18:27:46,330 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:27:46,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:27:46,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:27:46,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:27:46,334 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:27:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:27:46,874 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:27:46,875 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:27:46,875 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 18:27:46,876 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:27:46,881 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 18:27:46,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 18:27:46,882 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:27:46,883 INFO L87 Difference]: Start difference. First operand 525 states and 865 transitions. Second operand 3 states. [2018-07-23 18:27:49,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:27:49,715 INFO L93 Difference]: Finished difference Result 1481 states and 2515 transitions. [2018-07-23 18:27:49,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 18:27:49,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-07-23 18:27:49,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:27:49,725 INFO L225 Difference]: With dead ends: 1481 [2018-07-23 18:27:49,725 INFO L226 Difference]: Without dead ends: 962 [2018-07-23 18:27:49,729 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 18:27:49,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2018-07-23 18:27:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 947. [2018-07-23 18:27:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2018-07-23 18:27:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1536 transitions. [2018-07-23 18:27:49,772 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1536 transitions. Word has length 174 [2018-07-23 18:27:49,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:27:49,773 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1536 transitions. [2018-07-23 18:27:49,773 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 18:27:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1536 transitions. [2018-07-23 18:27:49,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-23 18:27:49,777 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:27:49,778 INFO L353 BasicCegarLoop]: trace histogram [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] [2018-07-23 18:27:49,778 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:27:49,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1997895451, now seen corresponding path program 1 times [2018-07-23 18:27:49,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:27:49,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:27:49,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:27:49,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:27:49,781 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:27:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:27:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:27:50,133 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 18:27:50,133 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-23 18:27:50,133 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 18:27:50,134 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 18:27:50,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 18:27:50,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-07-23 18:27:50,135 INFO L87 Difference]: Start difference. First operand 947 states and 1536 transitions. Second operand 7 states. [2018-07-23 18:27:55,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 18:27:55,105 INFO L93 Difference]: Finished difference Result 2931 states and 5168 transitions. [2018-07-23 18:27:55,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 18:27:55,105 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2018-07-23 18:27:55,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 18:27:55,138 INFO L225 Difference]: With dead ends: 2931 [2018-07-23 18:27:55,139 INFO L226 Difference]: Without dead ends: 1990 [2018-07-23 18:27:55,145 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-07-23 18:27:55,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2018-07-23 18:27:55,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1886. [2018-07-23 18:27:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2018-07-23 18:27:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 3092 transitions. [2018-07-23 18:27:55,296 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 3092 transitions. Word has length 179 [2018-07-23 18:27:55,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 18:27:55,297 INFO L471 AbstractCegarLoop]: Abstraction has 1886 states and 3092 transitions. [2018-07-23 18:27:55,297 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 18:27:55,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 3092 transitions. [2018-07-23 18:27:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 18:27:55,309 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 18:27:55,309 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-23 18:27:55,310 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___false_unreach_call_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 18:27:55,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1805529143, now seen corresponding path program 1 times [2018-07-23 18:27:55,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 18:27:55,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:27:55,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:27:55,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 18:27:55,317 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 18:27:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:27:55,785 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 18:27:55,785 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:27:55,785 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 18:27:55,787 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-07-23 18:27:55,789 INFO L201 CegarAbsIntRunner]: [0], [1], [5], [9], [15], [19], [21], [26], [37], [41], [45], [49], [52], [53], [57], [61], [65], [69], [72], [73], [77], [81], [85], [89], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [183], [187], [191], [195], [199], [203], [207], [211], [215], [226], [230], [234], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [301], [305], [309], [313], [317], [321], [332], [336], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [387], [391], [395], [399], [403], [407], [418], [422], [426], [430], [441], [445], [449], [453], [457], [461], [465], [469], [473], [477], [481], [485], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [544], [548], [552], [556], [560], [564], [575], [579], [583], [594], [598], [609], [613], [617], [621], [625], [629], [633], [637], [648], [659], [670], [674], [678], [682], [686], [690], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [773], [775], [1181], [1182], [1183], [1184], [1186], [1187] [2018-07-23 18:27:55,893 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 18:27:55,893 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-07-23 18:32:10,836 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-07-23 18:32:10,837 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-07-23 18:32:10,838 INFO L419 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-07-23 18:32:10,839 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 18:32:10,839 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 18:32:10,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 18:32:10,855 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-07-23 18:32:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 18:32:11,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-23 18:32:11,188 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-07-23 18:32:11,389 WARN L512 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-23 18:32:11,390 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 18:32:11,395 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 18:32:11,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 06:32:11 BoogieIcfgContainer [2018-07-23 18:32:11,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 18:32:11,397 INFO L168 Benchmark]: Toolchain (without parser) took 275348.04 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-07-23 18:32:11,398 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 18:32:11,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1287.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2018-07-23 18:32:11,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 18:32:11,401 INFO L168 Benchmark]: Boogie Preprocessor took 451.31 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -901.5 MB). Peak memory consumption was 60.9 MB. Max. memory is 7.1 GB. [2018-07-23 18:32:11,402 INFO L168 Benchmark]: RCFGBuilder took 4911.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 285.7 MB). Peak memory consumption was 285.7 MB. Max. memory is 7.1 GB. [2018-07-23 18:32:11,407 INFO L168 Benchmark]: TraceAbstraction took 268512.16 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -700.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-07-23 18:32:11,412 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1287.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 178.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 451.31 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 769.7 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -901.5 MB). Peak memory consumption was 60.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4911.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 285.7 MB). Peak memory consumption was 285.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268512.16 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -700.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1497]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1497). Cancelled while BasicCegarLoop was analyzing trace of length 193 with TraceHistMax 3, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 6 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 268.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 10.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 892 SDtfs, 1505 SDslu, 432 SDs, 0 SdLazy, 2834 SolverSat, 570 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1886occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 255.0s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 124 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 514 NumberOfCodeBlocks, 514 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 511 ConstructedInterpolants, 0 QuantifiedInterpolants, 242117 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 25/25 InterpolantCoveringCapability, 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/Problem03_label50_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_18-32-11-432.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem03_label50_false-unreach-call.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_18-32-11-432.csv Completed graceful shutdown