/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive-simple/afterrec_2calls-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:41:15,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:41:15,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:41:15,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:41:15,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:41:15,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:41:15,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:41:15,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:41:15,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:41:15,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:41:15,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:41:15,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:41:15,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:41:15,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:41:15,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:41:15,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:41:15,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:41:15,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:41:15,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:41:15,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:41:15,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:41:15,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:41:15,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:41:15,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:41:15,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:41:15,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:41:15,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:41:15,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:41:15,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:41:15,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 04:41:15,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:41:15,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:41:15,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:41:15,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:41:15,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:41:15,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:41:15,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:41:15,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:41:15,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:41:15,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:41:15,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:41:15,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 04:41:15,984 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:41:15,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:41:15,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:41:15,986 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:41:15,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:41:15,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:41:15,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:41:15,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:41:15,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:41:15,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:41:15,993 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:41:15,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:41:15,993 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:41:15,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:41:15,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:41:15,994 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:41:15,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:41:15,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:41:15,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:41:15,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:41:15,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:41:15,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:41:15,997 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 04:41:16,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:41:16,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:41:16,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:41:16,325 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:41:16,326 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:41:16,326 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/afterrec_2calls-1.c [2020-07-18 04:41:16,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c7150a3/6ea5178168fb4662a2fedb7f0667c029/FLAGb4b9d047c [2020-07-18 04:41:16,833 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:41:16,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/afterrec_2calls-1.c [2020-07-18 04:41:16,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c7150a3/6ea5178168fb4662a2fedb7f0667c029/FLAGb4b9d047c [2020-07-18 04:41:17,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c7150a3/6ea5178168fb4662a2fedb7f0667c029 [2020-07-18 04:41:17,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:41:17,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:41:17,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:41:17,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:41:17,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:41:17,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:41:17" (1/1) ... [2020-07-18 04:41:17,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc225e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17, skipping insertion in model container [2020-07-18 04:41:17,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:41:17" (1/1) ... [2020-07-18 04:41:17,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:41:17,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:41:17,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:41:17,410 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:41:17,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:41:17,440 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:41:17,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17 WrapperNode [2020-07-18 04:41:17,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:41:17,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:41:17,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:41:17,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:41:17,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17" (1/1) ... [2020-07-18 04:41:17,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17" (1/1) ... [2020-07-18 04:41:17,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17" (1/1) ... [2020-07-18 04:41:17,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17" (1/1) ... [2020-07-18 04:41:17,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17" (1/1) ... [2020-07-18 04:41:17,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17" (1/1) ... [2020-07-18 04:41:17,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17" (1/1) ... [2020-07-18 04:41:17,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:41:17,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:41:17,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:41:17,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:41:17,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:41:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:41:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:41:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-18 04:41:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2020-07-18 04:41:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:41:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:41:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-18 04:41:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2020-07-18 04:41:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:41:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:41:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:41:17,867 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:41:17,868 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 04:41:17,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:41:17 BoogieIcfgContainer [2020-07-18 04:41:17,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:41:17,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:41:17,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:41:17,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:41:17,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:41:17" (1/3) ... [2020-07-18 04:41:17,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443bca20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:41:17, skipping insertion in model container [2020-07-18 04:41:17,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:41:17" (2/3) ... [2020-07-18 04:41:17,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443bca20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:41:17, skipping insertion in model container [2020-07-18 04:41:17,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:41:17" (3/3) ... [2020-07-18 04:41:17,895 INFO L109 eAbstractionObserver]: Analyzing ICFG afterrec_2calls-1.c [2020-07-18 04:41:17,905 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:41:17,912 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-07-18 04:41:17,922 INFO L251 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-07-18 04:41:17,944 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:41:17,944 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:41:17,944 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:41:17,944 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:41:17,944 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:41:17,945 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:41:17,945 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:41:17,945 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:41:17,958 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-07-18 04:41:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-18 04:41:17,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:41:17,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:41:17,969 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fErr0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:41:17,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:41:17,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1612791331, now seen corresponding path program 1 times [2020-07-18 04:41:17,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:41:17,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005213157] [2020-07-18 04:41:17,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:41:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:41:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:41:18,250 INFO L280 TraceCheckUtils]: 0: Hoare triple {32#true} assume true; {32#true} is VALID [2020-07-18 04:41:18,251 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {32#true} {32#true} #35#return; {32#true} is VALID [2020-07-18 04:41:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:41:18,323 INFO L280 TraceCheckUtils]: 0: Hoare triple {32#true} ~n := #in~n; {44#(= f2_~n |f2_#in~n|)} is VALID [2020-07-18 04:41:18,325 INFO L280 TraceCheckUtils]: 1: Hoare triple {44#(= f2_~n |f2_#in~n|)} assume ~n < 3; {45#(<= |f2_#in~n| 2)} is VALID [2020-07-18 04:41:18,326 INFO L280 TraceCheckUtils]: 2: Hoare triple {45#(<= |f2_#in~n| 2)} assume true; {45#(<= |f2_#in~n| 2)} is VALID [2020-07-18 04:41:18,328 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {45#(<= |f2_#in~n| 2)} {39#(<= 3 f_~n)} #33#return; {33#false} is VALID [2020-07-18 04:41:18,328 INFO L263 TraceCheckUtils]: 0: Hoare triple {32#true} call ULTIMATE.init(); {32#true} is VALID [2020-07-18 04:41:18,329 INFO L280 TraceCheckUtils]: 1: Hoare triple {32#true} assume true; {32#true} is VALID [2020-07-18 04:41:18,329 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {32#true} {32#true} #35#return; {32#true} is VALID [2020-07-18 04:41:18,330 INFO L263 TraceCheckUtils]: 3: Hoare triple {32#true} call #t~ret4 := main(); {32#true} is VALID [2020-07-18 04:41:18,331 INFO L263 TraceCheckUtils]: 4: Hoare triple {32#true} call f(4); {36#(<= 4 |f_#in~n|)} is VALID [2020-07-18 04:41:18,332 INFO L280 TraceCheckUtils]: 5: Hoare triple {36#(<= 4 |f_#in~n|)} ~n := #in~n; {37#(<= 4 f_~n)} is VALID [2020-07-18 04:41:18,333 INFO L280 TraceCheckUtils]: 6: Hoare triple {37#(<= 4 f_~n)} assume !(~n < 3); {37#(<= 4 f_~n)} is VALID [2020-07-18 04:41:18,335 INFO L280 TraceCheckUtils]: 7: Hoare triple {37#(<= 4 f_~n)} #t~post2 := ~n; {38#(<= 4 |f_#t~post2|)} is VALID [2020-07-18 04:41:18,336 INFO L280 TraceCheckUtils]: 8: Hoare triple {38#(<= 4 |f_#t~post2|)} ~n := #t~post2 - 1; {39#(<= 3 f_~n)} is VALID [2020-07-18 04:41:18,337 INFO L280 TraceCheckUtils]: 9: Hoare triple {39#(<= 3 f_~n)} havoc #t~post2; {39#(<= 3 f_~n)} is VALID [2020-07-18 04:41:18,338 INFO L263 TraceCheckUtils]: 10: Hoare triple {39#(<= 3 f_~n)} call f2(~n); {32#true} is VALID [2020-07-18 04:41:18,339 INFO L280 TraceCheckUtils]: 11: Hoare triple {32#true} ~n := #in~n; {44#(= f2_~n |f2_#in~n|)} is VALID [2020-07-18 04:41:18,340 INFO L280 TraceCheckUtils]: 12: Hoare triple {44#(= f2_~n |f2_#in~n|)} assume ~n < 3; {45#(<= |f2_#in~n| 2)} is VALID [2020-07-18 04:41:18,341 INFO L280 TraceCheckUtils]: 13: Hoare triple {45#(<= |f2_#in~n| 2)} assume true; {45#(<= |f2_#in~n| 2)} is VALID [2020-07-18 04:41:18,343 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {45#(<= |f2_#in~n| 2)} {39#(<= 3 f_~n)} #33#return; {33#false} is VALID [2020-07-18 04:41:18,343 INFO L280 TraceCheckUtils]: 15: Hoare triple {33#false} assume !false; {33#false} is VALID [2020-07-18 04:41:18,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 04:41:18,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005213157] [2020-07-18 04:41:18,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:41:18,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 04:41:18,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199313669] [2020-07-18 04:41:18,357 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-07-18 04:41:18,360 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:41:18,365 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 04:41:18,398 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:41:18,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 04:41:18,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:41:18,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 04:41:18,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 04:41:18,411 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 8 states. [2020-07-18 04:41:18,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:41:18,884 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2020-07-18 04:41:18,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-18 04:41:18,885 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-07-18 04:41:18,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:41:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:41:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 48 transitions. [2020-07-18 04:41:18,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 04:41:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 48 transitions. [2020-07-18 04:41:18,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 48 transitions. [2020-07-18 04:41:18,967 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:41:18,979 INFO L225 Difference]: With dead ends: 43 [2020-07-18 04:41:18,980 INFO L226 Difference]: Without dead ends: 31 [2020-07-18 04:41:18,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-07-18 04:41:19,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-07-18 04:41:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-07-18 04:41:19,053 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:41:19,054 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand 31 states. [2020-07-18 04:41:19,054 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-18 04:41:19,055 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-18 04:41:19,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:41:19,060 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2020-07-18 04:41:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2020-07-18 04:41:19,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:41:19,061 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:41:19,062 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 31 states. [2020-07-18 04:41:19,062 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 31 states. [2020-07-18 04:41:19,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:41:19,066 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2020-07-18 04:41:19,067 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2020-07-18 04:41:19,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:41:19,068 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:41:19,068 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:41:19,068 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:41:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-07-18 04:41:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2020-07-18 04:41:19,073 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 16 [2020-07-18 04:41:19,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:41:19,073 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2020-07-18 04:41:19,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 04:41:19,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 31 transitions. [2020-07-18 04:41:19,112 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:41:19,112 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2020-07-18 04:41:19,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-18 04:41:19,113 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:41:19,113 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:41:19,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:41:19,114 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fErr0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:41:19,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:41:19,115 INFO L82 PathProgramCache]: Analyzing trace with hash 107301256, now seen corresponding path program 1 times [2020-07-18 04:41:19,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:41:19,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041350230] [2020-07-18 04:41:19,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:41:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:41:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:41:19,163 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 04:41:19,163 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 04:41:19,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 04:41:19,187 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 04:41:19,187 WARN L170 areAnnotationChecker]: fENTRY has no Hoare annotation [2020-07-18 04:41:19,187 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:41:19,187 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:41:19,187 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 04:41:19,188 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 04:41:19,188 WARN L170 areAnnotationChecker]: f2ENTRY has no Hoare annotation [2020-07-18 04:41:19,188 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 04:41:19,188 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-18 04:41:19,188 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-18 04:41:19,188 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:41:19,189 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:41:19,189 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 04:41:19,189 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 04:41:19,189 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 04:41:19,189 WARN L170 areAnnotationChecker]: fFINAL has no Hoare annotation [2020-07-18 04:41:19,190 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 04:41:19,190 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 04:41:19,190 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 04:41:19,190 WARN L170 areAnnotationChecker]: f2FINAL has no Hoare annotation [2020-07-18 04:41:19,190 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-18 04:41:19,190 WARN L170 areAnnotationChecker]: fEXIT has no Hoare annotation [2020-07-18 04:41:19,191 WARN L170 areAnnotationChecker]: fEXIT has no Hoare annotation [2020-07-18 04:41:19,191 WARN L170 areAnnotationChecker]: L8-1 has no Hoare annotation [2020-07-18 04:41:19,191 WARN L170 areAnnotationChecker]: f2EXIT has no Hoare annotation [2020-07-18 04:41:19,191 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2020-07-18 04:41:19,191 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-18 04:41:19,191 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-18 04:41:19,192 WARN L170 areAnnotationChecker]: L8-2 has no Hoare annotation [2020-07-18 04:41:19,192 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-18 04:41:19,192 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-18 04:41:19,192 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2020-07-18 04:41:19,192 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 04:41:19,192 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 04:41:19,192 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 04:41:19,193 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 04:41:19,193 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 04:41:19,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 04:41:19 BoogieIcfgContainer [2020-07-18 04:41:19,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 04:41:19,201 INFO L168 Benchmark]: Toolchain (without parser) took 1970.32 ms. Allocated memory was 145.2 MB in the beginning and 235.4 MB in the end (delta: 90.2 MB). Free memory was 101.9 MB in the beginning and 168.3 MB in the end (delta: -66.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-07-18 04:41:19,202 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 145.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:41:19,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.27 ms. Allocated memory is still 145.2 MB. Free memory was 101.5 MB in the beginning and 92.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-07-18 04:41:19,204 INFO L168 Benchmark]: Boogie Preprocessor took 106.67 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 92.4 MB in the beginning and 181.1 MB in the end (delta: -88.7 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-07-18 04:41:19,205 INFO L168 Benchmark]: RCFGBuilder took 325.31 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 164.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:41:19,206 INFO L168 Benchmark]: TraceAbstraction took 1313.04 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.8 MB in the beginning and 168.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-18 04:41:19,210 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 145.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 209.27 ms. Allocated memory is still 145.2 MB. Free memory was 101.5 MB in the beginning and 92.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.67 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 92.4 MB in the beginning and 181.1 MB in the end (delta: -88.7 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 325.31 ms. Allocated memory is still 201.9 MB. Free memory was 181.1 MB in the beginning and 164.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1313.04 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.8 MB in the beginning and 168.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L21] CALL f(4) VAL [\old(n)=4] [L7] COND FALSE !(n<3) VAL [\old(n)=4, n=4] [L8] n-- VAL [\old(n)=4, n=3] [L9] CALL f2(n) VAL [\old(n)=3] [L14] COND FALSE !(n<3) VAL [\old(n)=3, n=3] [L15] n-- VAL [\old(n)=3, n=2] [L16] CALL f(n) VAL [\old(n)=2] [L7] COND TRUE n<3 VAL [\old(n)=2, n=2] [L16] RET f(n) VAL [\old(n)=3, n=2] [L17] __VERIFIER_error() VAL [\old(n)=3, n=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 11 SDslu, 92 SDs, 0 SdLazy, 56 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...