java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label32_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:47:30,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:47:30,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:47:30,022 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:47:30,023 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:47:30,024 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:47:30,028 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:47:30,031 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:47:30,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:47:30,035 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:47:30,037 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:47:30,037 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:47:30,038 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:47:30,039 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:47:30,047 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:47:30,048 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:47:30,052 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:47:30,054 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:47:30,056 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:47:30,058 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:47:30,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:47:30,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:47:30,062 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 11:47:30,063 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 11:47:30,063 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 11:47:30,064 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 11:47:30,065 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 11:47:30,065 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 11:47:30,066 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 11:47:30,067 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 11:47:30,067 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 11:47:30,068 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 11:47:30,068 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:47:30,069 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:47:30,071 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:47:30,072 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:47:30,072 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 11:47:30,100 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:47:30,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:47:30,102 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:47:30,105 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:47:30,106 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:47:30,106 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:47:30,106 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:47:30,106 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:47:30,106 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:47:30,107 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:47:30,107 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:47:30,108 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:47:30,108 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:47:30,110 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:47:30,110 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:47:30,110 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:47:30,110 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:47:30,110 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:47:30,111 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:47:30,111 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:47:30,111 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:47:30,113 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:47:30,113 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:47:30,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:47:30,113 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:47:30,114 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:47:30,114 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:47:30,114 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:47:30,114 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:47:30,114 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:47:30,115 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:47:30,115 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:47:30,115 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:47:30,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:47:30,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:47:30,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:47:30,215 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:47:30,215 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:47:30,216 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label32_true-unreach-call.c [2018-09-15 11:47:30,580 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae190640/bfddedf9d6de4d3cba6891eb2b1ac126/FLAGf044b0469 [2018-09-15 11:47:31,093 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:47:31,094 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label32_true-unreach-call.c [2018-09-15 11:47:31,132 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae190640/bfddedf9d6de4d3cba6891eb2b1ac126/FLAGf044b0469 [2018-09-15 11:47:31,151 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae190640/bfddedf9d6de4d3cba6891eb2b1ac126 [2018-09-15 11:47:31,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:47:31,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:47:31,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:47:31,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:47:31,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:47:31,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:47:31" (1/1) ... [2018-09-15 11:47:31,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a64aa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:31, skipping insertion in model container [2018-09-15 11:47:31,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:47:31" (1/1) ... [2018-09-15 11:47:31,202 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:47:32,444 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:47:32,464 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:47:33,022 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:47:33,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33 WrapperNode [2018-09-15 11:47:33,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:47:33,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:47:33,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:47:33,316 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:47:33,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (1/1) ... [2018-09-15 11:47:33,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (1/1) ... [2018-09-15 11:47:33,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:47:33,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:47:33,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:47:33,572 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:47:34,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (1/1) ... [2018-09-15 11:47:34,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (1/1) ... [2018-09-15 11:47:34,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (1/1) ... [2018-09-15 11:47:34,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (1/1) ... [2018-09-15 11:47:34,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (1/1) ... [2018-09-15 11:47:34,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (1/1) ... [2018-09-15 11:47:34,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (1/1) ... [2018-09-15 11:47:34,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:47:34,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:47:34,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:47:34,501 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:47:34,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:47:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:47:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:47:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 11:47:34,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 11:47:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 11:47:34,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 11:47:34,583 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 11:47:34,583 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 11:47:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:47:34,584 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:47:34,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:47:34,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:47:34,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:47:34,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 11:47:46,410 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 11:47:46,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:47:46 BoogieIcfgContainer [2018-09-15 11:47:46,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 11:47:46,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 11:47:46,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 11:47:46,415 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 11:47:46,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:47:31" (1/3) ... [2018-09-15 11:47:46,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0d5941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:47:46, skipping insertion in model container [2018-09-15 11:47:46,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:47:33" (2/3) ... [2018-09-15 11:47:46,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0d5941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:47:46, skipping insertion in model container [2018-09-15 11:47:46,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:47:46" (3/3) ... [2018-09-15 11:47:46,419 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label32_true-unreach-call.c [2018-09-15 11:47:46,427 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 11:47:46,435 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 11:47:46,498 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 11:47:46,499 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 11:47:46,499 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 11:47:46,499 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 11:47:46,500 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 11:47:46,500 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 11:47:46,500 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 11:47:46,500 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 11:47:46,500 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 11:47:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-09-15 11:47:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-15 11:47:46,579 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:47:46,581 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] [2018-09-15 11:47:46,582 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:47:46,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1790779988, now seen corresponding path program 1 times [2018-09-15 11:47:46,590 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:47:46,591 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 51 with the following transitions: [2018-09-15 11:47:46,594 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2167], [2169], [3244], [3248], [3254], [3258], [3271], [3272], [3273], [3275] [2018-09-15 11:47:46,663 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:47:46,663 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:47:48,875 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:47:48,877 INFO L272 AbstractInterpreter]: Visited 49 different actions 49 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 11:47:48,900 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:47:49,758 INFO L232 lantSequenceWeakener]: Weakened 48 states. On average, predicates are now at 77.7% of their original sizes. [2018-09-15 11:47:49,758 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:47:50,118 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:47:50,120 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:47:50,120 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 11:47:50,120 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:47:50,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 11:47:50,133 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 11:47:50,133 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:47:50,136 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 6 states. [2018-09-15 11:48:07,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:48:07,013 INFO L93 Difference]: Finished difference Result 2448 states and 4699 transitions. [2018-09-15 11:48:07,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 11:48:07,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-09-15 11:48:07,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:48:07,066 INFO L225 Difference]: With dead ends: 2448 [2018-09-15 11:48:07,066 INFO L226 Difference]: Without dead ends: 1606 [2018-09-15 11:48:07,082 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:48:07,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-09-15 11:48:07,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1604. [2018-09-15 11:48:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-09-15 11:48:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2357 transitions. [2018-09-15 11:48:07,291 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2357 transitions. Word has length 50 [2018-09-15 11:48:07,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:48:07,292 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 2357 transitions. [2018-09-15 11:48:07,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 11:48:07,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2357 transitions. [2018-09-15 11:48:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-15 11:48:07,299 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:48:07,299 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:48:07,300 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:48:07,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1345478058, now seen corresponding path program 1 times [2018-09-15 11:48:07,300 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:48:07,301 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 127 with the following transitions: [2018-09-15 11:48:07,301 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2167], [2169], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-15 11:48:07,311 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:48:07,312 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:48:17,110 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:48:17,111 INFO L272 AbstractInterpreter]: Visited 83 different actions 159 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 11:48:17,120 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:48:20,422 INFO L232 lantSequenceWeakener]: Weakened 124 states. On average, predicates are now at 76.14% of their original sizes. [2018-09-15 11:48:20,422 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:48:22,092 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:48:22,092 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:48:22,092 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:48:22,093 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:48:22,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:48:22,095 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:48:22,096 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:48:22,096 INFO L87 Difference]: Start difference. First operand 1604 states and 2357 transitions. Second operand 11 states. [2018-09-15 11:49:15,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:49:15,313 INFO L93 Difference]: Finished difference Result 3976 states and 6980 transitions. [2018-09-15 11:49:15,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:49:15,314 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2018-09-15 11:49:15,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:49:15,331 INFO L225 Difference]: With dead ends: 3976 [2018-09-15 11:49:15,332 INFO L226 Difference]: Without dead ends: 3146 [2018-09-15 11:49:15,338 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 132 GetRequests, 78 SyntacticMatches, 38 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 11:49:15,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2018-09-15 11:49:15,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 3143. [2018-09-15 11:49:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3143 states. [2018-09-15 11:49:15,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 3143 states and 3918 transitions. [2018-09-15 11:49:15,450 INFO L78 Accepts]: Start accepts. Automaton has 3143 states and 3918 transitions. Word has length 126 [2018-09-15 11:49:15,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:49:15,451 INFO L480 AbstractCegarLoop]: Abstraction has 3143 states and 3918 transitions. [2018-09-15 11:49:15,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:49:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 3918 transitions. [2018-09-15 11:49:15,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-15 11:49:15,460 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:49:15,460 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:49:15,461 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:49:15,461 INFO L82 PathProgramCache]: Analyzing trace with hash -236098902, now seen corresponding path program 1 times [2018-09-15 11:49:15,461 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:49:15,461 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-09-15 11:49:15,462 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2167], [2169], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2664], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-15 11:49:15,473 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:49:15,473 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:49:21,396 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:49:44,409 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:49:44,410 INFO L272 AbstractInterpreter]: Visited 153 different actions 300 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 11:49:44,446 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:49:50,596 INFO L232 lantSequenceWeakener]: Weakened 194 states. On average, predicates are now at 75.73% of their original sizes. [2018-09-15 11:49:50,596 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:49:52,421 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:49:52,422 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:49:52,422 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 11:49:52,422 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:49:52,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 11:49:52,424 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 11:49:52,424 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-15 11:49:52,424 INFO L87 Difference]: Start difference. First operand 3143 states and 3918 transitions. Second operand 13 states. [2018-09-15 11:50:27,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:50:27,479 INFO L93 Difference]: Finished difference Result 4746 states and 7018 transitions. [2018-09-15 11:50:27,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 11:50:27,481 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 196 [2018-09-15 11:50:27,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:50:27,504 INFO L225 Difference]: With dead ends: 4746 [2018-09-15 11:50:27,504 INFO L226 Difference]: Without dead ends: 3916 [2018-09-15 11:50:27,509 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 146 SyntacticMatches, 38 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2018-09-15 11:50:27,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3916 states. [2018-09-15 11:50:27,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3916 to 3913. [2018-09-15 11:50:27,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3913 states. [2018-09-15 11:50:27,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3913 states and 4704 transitions. [2018-09-15 11:50:27,653 INFO L78 Accepts]: Start accepts. Automaton has 3913 states and 4704 transitions. Word has length 196 [2018-09-15 11:50:27,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:50:27,655 INFO L480 AbstractCegarLoop]: Abstraction has 3913 states and 4704 transitions. [2018-09-15 11:50:27,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 11:50:27,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 4704 transitions. [2018-09-15 11:50:27,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-09-15 11:50:27,665 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:50:27,666 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:50:27,666 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:50:27,667 INFO L82 PathProgramCache]: Analyzing trace with hash 395335138, now seen corresponding path program 1 times [2018-09-15 11:50:27,667 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:50:27,667 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-09-15 11:50:27,670 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2167], [2169], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-15 11:50:27,684 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:50:27,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:50:33,902 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:50:56,040 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:50:56,041 INFO L272 AbstractInterpreter]: Visited 157 different actions 308 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 11:50:56,066 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:51:01,817 INFO L232 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 75.72% of their original sizes. [2018-09-15 11:51:01,817 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:51:04,246 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:51:04,246 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:51:04,247 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-15 11:51:04,247 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:51:04,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-15 11:51:04,248 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-15 11:51:04,249 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-15 11:51:04,249 INFO L87 Difference]: Start difference. First operand 3913 states and 4704 transitions. Second operand 14 states. Received shutdown request... [2018-09-15 11:51:38,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-09-15 11:51:38,292 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 11:51:38,299 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 11:51:38,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 11:51:38 BoogieIcfgContainer [2018-09-15 11:51:38,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 11:51:38,300 INFO L168 Benchmark]: Toolchain (without parser) took 247134.77 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 4.0 GB in the end (delta: -2.6 GB). Peak memory consumption was 149.1 MB. Max. memory is 7.1 GB. [2018-09-15 11:51:38,303 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 11:51:38,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2142.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-09-15 11:51:38,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 255.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-15 11:51:38,305 INFO L168 Benchmark]: Boogie Preprocessor took 929.03 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 913.8 MB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 128.0 MB. Max. memory is 7.1 GB. [2018-09-15 11:51:38,306 INFO L168 Benchmark]: RCFGBuilder took 11910.05 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 640.2 MB). Peak memory consumption was 640.2 MB. Max. memory is 7.1 GB. [2018-09-15 11:51:38,307 INFO L168 Benchmark]: TraceAbstraction took 231887.88 ms. Allocated memory was 2.4 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 4.0 GB in the end (delta: -2.3 GB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 11:51:38,312 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2142.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 255.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 929.03 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 913.8 MB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 128.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11910.05 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 640.2 MB). Peak memory consumption was 640.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 231887.88 ms. Allocated memory was 2.4 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 1.7 GB in the beginning and 4.0 GB in the end (delta: -2.3 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 141). Cancelled while BasicCegarLoop was constructing difference of abstraction (3913states) and FLOYD_HOARE automaton (currently 20 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (3688 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 231.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 139.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3003 SDtfs, 8745 SDslu, 1519 SDs, 0 SdLazy, 31516 SolverSat, 3468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 128.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 599 GetRequests, 418 SyntacticMatches, 114 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1250 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3913occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 69.5s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9941303268327913 AbsIntWeakeningRatio, 0.13732394366197184 AbsIntAvgWeakeningVarsNumRemoved, 105.15845070422536 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 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/Problem12_label32_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_11-51-38-326.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem12_label32_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_11-51-38-326.csv Completed graceful shutdown