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/Problem10_label25_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:22:09,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:22:09,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:22:09,232 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:22:09,232 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:22:09,233 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:22:09,236 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:22:09,238 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:22:09,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:22:09,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:22:09,244 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:22:09,244 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:22:09,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:22:09,246 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:22:09,247 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:22:09,248 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:22:09,249 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:22:09,251 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:22:09,253 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:22:09,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:22:09,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:22:09,256 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:22:09,258 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 11:22:09,259 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 11:22:09,259 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 11:22:09,260 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 11:22:09,261 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 11:22:09,262 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 11:22:09,262 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 11:22:09,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 11:22:09,264 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 11:22:09,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 11:22:09,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:22:09,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:22:09,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:22:09,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:22:09,267 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 11:22:09,283 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:22:09,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:22:09,284 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:22:09,285 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:22:09,285 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:22:09,285 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:22:09,285 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:22:09,285 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:22:09,285 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:22:09,286 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:22:09,286 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:22:09,286 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:22:09,288 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:22:09,288 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:22:09,288 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:22:09,288 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:22:09,288 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:22:09,289 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:22:09,289 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:22:09,289 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:22:09,289 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:22:09,289 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:22:09,290 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:22:09,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:22:09,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:22:09,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:22:09,292 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:22:09,292 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:22:09,292 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:22:09,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:22:09,293 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:22:09,293 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:22:09,293 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:22:09,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:22:09,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:22:09,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:22:09,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:22:09,365 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:22:09,366 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-09-15 11:22:09,704 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fbc1e43/b0efc256309b44f793eed823ae5af1e0/FLAG6fcd62e92 [2018-09-15 11:22:09,993 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:22:09,994 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-09-15 11:22:10,014 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fbc1e43/b0efc256309b44f793eed823ae5af1e0/FLAG6fcd62e92 [2018-09-15 11:22:10,038 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fbc1e43/b0efc256309b44f793eed823ae5af1e0 [2018-09-15 11:22:10,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:22:10,059 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:22:10,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:22:10,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:22:10,072 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:22:10,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:10,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c40084a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10, skipping insertion in model container [2018-09-15 11:22:10,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:10,090 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:22:10,683 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:22:10,701 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:22:10,823 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:22:10,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10 WrapperNode [2018-09-15 11:22:10,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:22:10,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:22:10,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:22:10,879 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:22:10,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:10,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:11,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:22:11,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:22:11,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:22:11,001 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:22:11,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:11,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:11,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:11,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:11,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:11,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:11,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (1/1) ... [2018-09-15 11:22:11,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:22:11,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:22:11,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:22:11,288 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:22:11,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (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 11:22:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:22:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:22:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:22:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:22:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:22:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:22:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:22:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 11:22:14,877 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 11:22:14,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:22:14 BoogieIcfgContainer [2018-09-15 11:22:14,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 11:22:14,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 11:22:14,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 11:22:14,890 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 11:22:14,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:22:10" (1/3) ... [2018-09-15 11:22:14,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430dba69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:22:14, skipping insertion in model container [2018-09-15 11:22:14,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:22:10" (2/3) ... [2018-09-15 11:22:14,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@430dba69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:22:14, skipping insertion in model container [2018-09-15 11:22:14,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:22:14" (3/3) ... [2018-09-15 11:22:14,896 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label25_true-unreach-call.c [2018-09-15 11:22:14,905 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 11:22:14,913 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 11:22:14,962 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 11:22:14,963 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 11:22:14,963 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 11:22:14,963 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 11:22:14,963 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 11:22:14,964 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 11:22:14,964 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 11:22:14,964 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 11:22:14,964 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 11:22:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-15 11:22:15,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-15 11:22:15,001 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:22:15,002 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:22:15,003 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:22:15,008 INFO L82 PathProgramCache]: Analyzing trace with hash 382760497, now seen corresponding path program 1 times [2018-09-15 11:22:15,010 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:22:15,011 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 72 with the following transitions: [2018-09-15 11:22:15,014 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [796], [800], [806], [810], [817], [818], [819], [821] [2018-09-15 11:22:15,077 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:22:15,077 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:22:16,984 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:22:16,986 INFO L272 AbstractInterpreter]: Visited 70 different actions 70 times. Never merged. Never widened. Never found a fixpoint. Largest state had 23 variables. [2018-09-15 11:22:17,014 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:22:17,903 INFO L232 lantSequenceWeakener]: Weakened 69 states. On average, predicates are now at 76.14% of their original sizes. [2018-09-15 11:22:17,903 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:22:18,266 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:22:18,272 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:22:18,272 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 11:22:18,272 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:22:18,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 11:22:18,298 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 11:22:18,299 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:22:18,302 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 6 states. [2018-09-15 11:22:23,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:22:23,174 INFO L93 Difference]: Finished difference Result 576 states and 995 transitions. [2018-09-15 11:22:23,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 11:22:23,179 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-09-15 11:22:23,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:22:23,195 INFO L225 Difference]: With dead ends: 576 [2018-09-15 11:22:23,196 INFO L226 Difference]: Without dead ends: 358 [2018-09-15 11:22:23,202 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 70 GetRequests, 66 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 11:22:23,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-09-15 11:22:23,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 356. [2018-09-15 11:22:23,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-15 11:22:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 497 transitions. [2018-09-15 11:22:23,285 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 497 transitions. Word has length 71 [2018-09-15 11:22:23,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:22:23,285 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 497 transitions. [2018-09-15 11:22:23,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 11:22:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 497 transitions. [2018-09-15 11:22:23,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-15 11:22:23,294 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:22:23,294 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:22:23,295 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:22:23,295 INFO L82 PathProgramCache]: Analyzing trace with hash 793000707, now seen corresponding path program 1 times [2018-09-15 11:22:23,295 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:22:23,296 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-09-15 11:22:23,296 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [498], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 11:22:23,302 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:22:23,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:22:25,414 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:22:31,246 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:22:31,247 INFO L272 AbstractInterpreter]: Visited 78 different actions 150 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 11:22:31,290 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:22:35,330 INFO L232 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 74.5% of their original sizes. [2018-09-15 11:22:35,330 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:22:38,563 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:22:38,563 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:22:38,563 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 11:22:38,563 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:22:38,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 11:22:38,565 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 11:22:38,566 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-15 11:22:38,566 INFO L87 Difference]: Start difference. First operand 356 states and 497 transitions. Second operand 10 states. [2018-09-15 11:22:45,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:22:45,053 INFO L93 Difference]: Finished difference Result 711 states and 1126 transitions. [2018-09-15 11:22:45,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-15 11:22:45,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2018-09-15 11:22:45,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:22:45,064 INFO L225 Difference]: With dead ends: 711 [2018-09-15 11:22:45,064 INFO L226 Difference]: Without dead ends: 505 [2018-09-15 11:22:45,068 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 74 SyntacticMatches, 59 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-09-15 11:22:45,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-09-15 11:22:45,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 502. [2018-09-15 11:22:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2018-09-15 11:22:45,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 655 transitions. [2018-09-15 11:22:45,133 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 655 transitions. Word has length 142 [2018-09-15 11:22:45,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:22:45,135 INFO L480 AbstractCegarLoop]: Abstraction has 502 states and 655 transitions. [2018-09-15 11:22:45,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-15 11:22:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 655 transitions. [2018-09-15 11:22:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-09-15 11:22:45,143 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:22:45,143 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 11:22:45,144 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:22:45,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1467562684, now seen corresponding path program 1 times [2018-09-15 11:22:45,144 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:22:45,145 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-09-15 11:22:45,145 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 11:22:45,150 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:22:45,150 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:22:52,268 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:22:52,268 INFO L272 AbstractInterpreter]: Visited 87 different actions 167 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 11:22:52,308 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:22:54,654 INFO L232 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 74.4% of their original sizes. [2018-09-15 11:22:54,654 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:22:55,948 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:22:55,949 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:22:55,949 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:22:55,949 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:22:55,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:22:55,950 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:22:55,951 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:22:55,951 INFO L87 Difference]: Start difference. First operand 502 states and 655 transitions. Second operand 11 states. [2018-09-15 11:23:07,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:23:07,862 INFO L93 Difference]: Finished difference Result 1002 states and 1569 transitions. [2018-09-15 11:23:07,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-15 11:23:07,864 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2018-09-15 11:23:07,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:23:07,869 INFO L225 Difference]: With dead ends: 1002 [2018-09-15 11:23:07,870 INFO L226 Difference]: Without dead ends: 796 [2018-09-15 11:23:07,872 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 82 SyntacticMatches, 59 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 11:23:07,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-09-15 11:23:07,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 793. [2018-09-15 11:23:07,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-09-15 11:23:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 962 transitions. [2018-09-15 11:23:07,916 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 962 transitions. Word has length 151 [2018-09-15 11:23:07,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:23:07,917 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 962 transitions. [2018-09-15 11:23:07,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:23:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 962 transitions. [2018-09-15 11:23:07,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-09-15 11:23:07,923 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:23:07,923 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 11:23:07,923 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:23:07,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1455651900, now seen corresponding path program 1 times [2018-09-15 11:23:07,924 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:23:07,924 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-09-15 11:23:07,925 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 11:23:07,930 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:23:07,930 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:23:10,592 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:23:21,388 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:23:21,388 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 11:23:21,391 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:23:25,777 INFO L232 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 74.07% of their original sizes. [2018-09-15 11:23:25,777 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:23:27,775 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:23:27,775 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:23:27,776 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 11:23:27,776 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:23:27,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 11:23:27,777 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 11:23:27,777 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 11:23:27,778 INFO L87 Difference]: Start difference. First operand 793 states and 962 transitions. Second operand 12 states. [2018-09-15 11:23:40,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:23:40,970 INFO L93 Difference]: Finished difference Result 1150 states and 1593 transitions. [2018-09-15 11:23:40,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 11:23:40,972 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 187 [2018-09-15 11:23:40,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:23:40,979 INFO L225 Difference]: With dead ends: 1150 [2018-09-15 11:23:40,979 INFO L226 Difference]: Without dead ends: 944 [2018-09-15 11:23:40,981 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 117 SyntacticMatches, 59 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 11:23:40,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2018-09-15 11:23:41,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 939. [2018-09-15 11:23:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2018-09-15 11:23:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1120 transitions. [2018-09-15 11:23:41,024 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1120 transitions. Word has length 187 [2018-09-15 11:23:41,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:23:41,024 INFO L480 AbstractCegarLoop]: Abstraction has 939 states and 1120 transitions. [2018-09-15 11:23:41,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 11:23:41,025 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1120 transitions. [2018-09-15 11:23:41,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-09-15 11:23:41,028 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:23:41,029 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 11:23:41,029 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:23:41,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1125130115, now seen corresponding path program 1 times [2018-09-15 11:23:41,030 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:23:41,030 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-09-15 11:23:41,030 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 11:23:41,036 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:23:41,036 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:24:11,108 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:24:11,109 INFO L272 AbstractInterpreter]: Visited 142 different actions 549 times. Merged at 5 different actions 14 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 11:24:11,134 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:24:13,692 INFO L232 lantSequenceWeakener]: Weakened 204 states. On average, predicates are now at 73.95% of their original sizes. [2018-09-15 11:24:13,692 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:24:14,839 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:24:14,839 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:24:14,839 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-15 11:24:14,840 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:24:14,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-15 11:24:14,840 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-15 11:24:14,840 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-09-15 11:24:14,841 INFO L87 Difference]: Start difference. First operand 939 states and 1120 transitions. Second operand 15 states. [2018-09-15 11:24:23,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:24:23,039 INFO L93 Difference]: Finished difference Result 1301 states and 1760 transitions. [2018-09-15 11:24:23,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-15 11:24:23,041 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 206 [2018-09-15 11:24:23,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:24:23,046 INFO L225 Difference]: With dead ends: 1301 [2018-09-15 11:24:23,047 INFO L226 Difference]: Without dead ends: 1095 [2018-09-15 11:24:23,048 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 217 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2018-09-15 11:24:23,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2018-09-15 11:24:23,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1089. [2018-09-15 11:24:23,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2018-09-15 11:24:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1286 transitions. [2018-09-15 11:24:23,096 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1286 transitions. Word has length 206 [2018-09-15 11:24:23,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:24:23,097 INFO L480 AbstractCegarLoop]: Abstraction has 1089 states and 1286 transitions. [2018-09-15 11:24:23,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-15 11:24:23,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1286 transitions. [2018-09-15 11:24:23,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-09-15 11:24:23,101 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:24:23,101 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-09-15 11:24:23,101 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:24:23,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1191706384, now seen corresponding path program 1 times [2018-09-15 11:24:23,102 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:24:23,102 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-09-15 11:24:23,102 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 11:24:23,107 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:24:23,108 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:24:39,329 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:24:39,329 INFO L272 AbstractInterpreter]: Visited 145 different actions 284 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-09-15 11:24:39,337 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:24:43,586 INFO L232 lantSequenceWeakener]: Weakened 207 states. On average, predicates are now at 73.93% of their original sizes. [2018-09-15 11:24:43,587 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:24:45,898 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:24:45,899 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:24:45,899 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-15 11:24:45,899 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:24:45,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-15 11:24:45,900 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-15 11:24:45,900 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-15 11:24:45,901 INFO L87 Difference]: Start difference. First operand 1089 states and 1286 transitions. Second operand 14 states. [2018-09-15 11:24:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:24:53,725 INFO L93 Difference]: Finished difference Result 1594 states and 2078 transitions. [2018-09-15 11:24:53,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 11:24:53,726 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 209 [2018-09-15 11:24:53,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:24:53,733 INFO L225 Difference]: With dead ends: 1594 [2018-09-15 11:24:53,733 INFO L226 Difference]: Without dead ends: 1238 [2018-09-15 11:24:53,735 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 220 GetRequests, 137 SyntacticMatches, 59 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2018-09-15 11:24:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-09-15 11:24:53,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1235. [2018-09-15 11:24:53,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2018-09-15 11:24:53,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1444 transitions. [2018-09-15 11:24:53,801 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1444 transitions. Word has length 209 [2018-09-15 11:24:53,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:24:53,801 INFO L480 AbstractCegarLoop]: Abstraction has 1235 states and 1444 transitions. [2018-09-15 11:24:53,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-15 11:24:53,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1444 transitions. [2018-09-15 11:24:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-09-15 11:24:53,816 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:24:53,816 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:24:53,816 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:24:53,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1512083002, now seen corresponding path program 1 times [2018-09-15 11:24:53,817 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:24:53,817 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-09-15 11:24:53,817 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [518], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-09-15 11:24:53,820 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:24:53,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:24:55,155 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:25:06,211 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:25:06,212 INFO L272 AbstractInterpreter]: Visited 84 different actions 244 times. Merged at 7 different actions 14 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-09-15 11:25:06,217 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:25:11,012 INFO L232 lantSequenceWeakener]: Weakened 216 states. On average, predicates are now at 73.93% of their original sizes. [2018-09-15 11:25:11,012 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:25:16,802 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:25:16,802 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:25:16,803 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-15 11:25:16,803 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:25:16,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-15 11:25:16,804 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-15 11:25:16,804 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-09-15 11:25:16,804 INFO L87 Difference]: Start difference. First operand 1235 states and 1444 transitions. Second operand 10 states. Received shutdown request... [2018-09-15 11:25:39,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-15 11:25:39,979 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 11:25:39,985 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 11:25:39,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 11:25:39 BoogieIcfgContainer [2018-09-15 11:25:39,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 11:25:39,988 INFO L168 Benchmark]: Toolchain (without parser) took 209934.25 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -308.0 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-09-15 11:25:39,990 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-09-15 11:25:39,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-15 11:25:39,992 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-15 11:25:39,993 INFO L168 Benchmark]: Boogie Preprocessor took 286.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -842.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2018-09-15 11:25:39,994 INFO L168 Benchmark]: RCFGBuilder took 3592.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.7 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. [2018-09-15 11:25:39,995 INFO L168 Benchmark]: TraceAbstraction took 205104.88 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 355.0 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-09-15 11:25:40,003 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 817.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 121.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 286.03 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -842.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3592.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 108.7 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 205104.88 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 355.0 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 196]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 196). Cancelled while BasicCegarLoop was constructing difference of abstraction (1235states) and FLOYD_HOARE automaton (currently 17 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (1389 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 205.0s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 75.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1413 SDtfs, 4513 SDslu, 2414 SDs, 0 SdLazy, 12451 SolverSat, 1132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 68.1s Time, PredicateUnifierStatistics: 14 DeclaredPredicates, 1232 GetRequests, 818 SyntacticMatches, 295 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2405 ImplicationChecksByTransitivity, 19.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1235occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 89.3s AbstIntTime, 7 AbstIntIterations, 7 AbstIntStrong, 0.9944988934821226 AbsIntWeakeningRatio, 0.11894647408666101 AbsIntAvgWeakeningVarsNumRemoved, 81.06372132540356 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 22 StatesRemovedByMinimization, 6 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/Problem10_label25_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_11-25-40-026.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label25_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_11-25-40-026.csv Completed graceful shutdown