/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/loop-lit/gcnr2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 02:32:15,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 02:32:15,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 02:32:15,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 02:32:15,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 02:32:15,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 02:32:15,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 02:32:15,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 02:32:15,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 02:32:15,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 02:32:15,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 02:32:15,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 02:32:15,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 02:32:15,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 02:32:15,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 02:32:15,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 02:32:15,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 02:32:15,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 02:32:15,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 02:32:15,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 02:32:15,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 02:32:15,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 02:32:15,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 02:32:15,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 02:32:15,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-11 02:32:15,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 02:32:15,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 02:32:15,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 02:32:15,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 02:32:15,968 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 02:32:15,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 02:32:15,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 02:32:15,970 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 02:32:15,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 02:32:15,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 02:32:15,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 02:32:15,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 02:32:15,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 02:32:15,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 02:32:15,971 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 02:32:15,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 02:32:15,972 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 02:32:15,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 02:32:15,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 02:32:15,972 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 02:32:15,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 02:32:15,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 02:32:15,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 02:32:15,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 02:32:15,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 02:32:15,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 02:32:15,974 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 [2020-07-11 02:32:16,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 02:32:16,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 02:32:16,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 02:32:16,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 02:32:16,255 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 02:32:16,255 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gcnr2008.i [2020-07-11 02:32:16,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9ac5df3/c32e5c73fbbc4f7eaaa39ae594c1cd0a/FLAGd9b8671e0 [2020-07-11 02:32:16,760 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 02:32:16,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gcnr2008.i [2020-07-11 02:32:16,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9ac5df3/c32e5c73fbbc4f7eaaa39ae594c1cd0a/FLAGd9b8671e0 [2020-07-11 02:32:17,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9ac5df3/c32e5c73fbbc4f7eaaa39ae594c1cd0a [2020-07-11 02:32:17,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 02:32:17,159 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 02:32:17,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 02:32:17,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 02:32:17,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 02:32:17,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:32:17" (1/1) ... [2020-07-11 02:32:17,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee8142b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17, skipping insertion in model container [2020-07-11 02:32:17,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 02:32:17" (1/1) ... [2020-07-11 02:32:17,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 02:32:17,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 02:32:17,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:32:17,343 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 02:32:17,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 02:32:17,378 INFO L208 MainTranslator]: Completed translation [2020-07-11 02:32:17,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17 WrapperNode [2020-07-11 02:32:17,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 02:32:17,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 02:32:17,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 02:32:17,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 02:32:17,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17" (1/1) ... [2020-07-11 02:32:17,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17" (1/1) ... [2020-07-11 02:32:17,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17" (1/1) ... [2020-07-11 02:32:17,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17" (1/1) ... [2020-07-11 02:32:17,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17" (1/1) ... [2020-07-11 02:32:17,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17" (1/1) ... [2020-07-11 02:32:17,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17" (1/1) ... [2020-07-11 02:32:17,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 02:32:17,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 02:32:17,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 02:32:17,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 02:32:17,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17" (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 [2020-07-11 02:32:17,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 02:32:17,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 02:32:17,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-11 02:32:17,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-11 02:32:17,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 02:32:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 02:32:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-11 02:32:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-11 02:32:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-11 02:32:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-11 02:32:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 02:32:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 02:32:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 02:32:17,922 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 02:32:17,923 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-11 02:32:17,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:32:17 BoogieIcfgContainer [2020-07-11 02:32:17,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 02:32:17,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 02:32:17,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 02:32:17,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 02:32:17,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 02:32:17" (1/3) ... [2020-07-11 02:32:17,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233e93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:32:17, skipping insertion in model container [2020-07-11 02:32:17,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 02:32:17" (2/3) ... [2020-07-11 02:32:17,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233e93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 02:32:17, skipping insertion in model container [2020-07-11 02:32:17,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 02:32:17" (3/3) ... [2020-07-11 02:32:17,936 INFO L109 eAbstractionObserver]: Analyzing ICFG gcnr2008.i [2020-07-11 02:32:17,945 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 02:32:17,950 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 02:32:17,961 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 02:32:17,982 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 02:32:17,982 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 02:32:17,983 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 02:32:17,983 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 02:32:17,983 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 02:32:17,983 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 02:32:17,983 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 02:32:17,983 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 02:32:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-11 02:32:18,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-11 02:32:18,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:32:18,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:32:18,010 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:32:18,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:32:18,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1056406919, now seen corresponding path program 1 times [2020-07-11 02:32:18,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:32:18,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475660682] [2020-07-11 02:32:18,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:32:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:32:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 02:32:18,142 INFO L280 TraceCheckUtils]: 0: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-11 02:32:18,142 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {48#true} {48#true} #86#return; {48#true} is VALID [2020-07-11 02:32:18,144 INFO L263 TraceCheckUtils]: 0: Hoare triple {48#true} call ULTIMATE.init(); {48#true} is VALID [2020-07-11 02:32:18,144 INFO L280 TraceCheckUtils]: 1: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-11 02:32:18,144 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {48#true} {48#true} #86#return; {48#true} is VALID [2020-07-11 02:32:18,144 INFO L263 TraceCheckUtils]: 3: Hoare triple {48#true} call #t~ret3 := main(); {48#true} is VALID [2020-07-11 02:32:18,145 INFO L280 TraceCheckUtils]: 4: Hoare triple {48#true} havoc ~x~0; {48#true} is VALID [2020-07-11 02:32:18,145 INFO L280 TraceCheckUtils]: 5: Hoare triple {48#true} havoc ~y~0; {48#true} is VALID [2020-07-11 02:32:18,146 INFO L280 TraceCheckUtils]: 6: Hoare triple {48#true} havoc ~z~0; {48#true} is VALID [2020-07-11 02:32:18,146 INFO L280 TraceCheckUtils]: 7: Hoare triple {48#true} havoc ~w~0; {48#true} is VALID [2020-07-11 02:32:18,146 INFO L280 TraceCheckUtils]: 8: Hoare triple {48#true} ~w~0 := 0; {48#true} is VALID [2020-07-11 02:32:18,147 INFO L280 TraceCheckUtils]: 9: Hoare triple {48#true} ~z~0 := ~w~0; {48#true} is VALID [2020-07-11 02:32:18,147 INFO L280 TraceCheckUtils]: 10: Hoare triple {48#true} ~y~0 := ~z~0; {48#true} is VALID [2020-07-11 02:32:18,147 INFO L280 TraceCheckUtils]: 11: Hoare triple {48#true} ~x~0 := ~y~0; {48#true} is VALID [2020-07-11 02:32:18,148 INFO L280 TraceCheckUtils]: 12: Hoare triple {48#true} assume !true; {49#false} is VALID [2020-07-11 02:32:18,149 INFO L263 TraceCheckUtils]: 13: Hoare triple {49#false} call __VERIFIER_assert((if ~x~0 >= 4 && ~y~0 <= 2 then 1 else 0)); {49#false} is VALID [2020-07-11 02:32:18,149 INFO L280 TraceCheckUtils]: 14: Hoare triple {49#false} ~cond := #in~cond; {49#false} is VALID [2020-07-11 02:32:18,150 INFO L280 TraceCheckUtils]: 15: Hoare triple {49#false} assume 0 == ~cond; {49#false} is VALID [2020-07-11 02:32:18,150 INFO L280 TraceCheckUtils]: 16: Hoare triple {49#false} assume !false; {49#false} is VALID [2020-07-11 02:32:18,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 02:32:18,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475660682] [2020-07-11 02:32:18,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 02:32:18,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-11 02:32:18,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418403817] [2020-07-11 02:32:18,162 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2020-07-11 02:32:18,165 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 02:32:18,169 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-11 02:32:18,232 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:32:18,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-11 02:32:18,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 02:32:18,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-11 02:32:18,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-11 02:32:18,245 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2020-07-11 02:32:18,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:32:18,363 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2020-07-11 02:32:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-11 02:32:18,364 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2020-07-11 02:32:18,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 02:32:18,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-11 02:32:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 64 transitions. [2020-07-11 02:32:18,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-11 02:32:18,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 64 transitions. [2020-07-11 02:32:18,382 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 64 transitions. [2020-07-11 02:32:18,472 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:32:18,485 INFO L225 Difference]: With dead ends: 57 [2020-07-11 02:32:18,485 INFO L226 Difference]: Without dead ends: 38 [2020-07-11 02:32:18,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-11 02:32:18,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-11 02:32:18,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-07-11 02:32:18,546 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 02:32:18,547 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 38 states. [2020-07-11 02:32:18,547 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-11 02:32:18,548 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-11 02:32:18,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:32:18,553 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-07-11 02:32:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-07-11 02:32:18,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:32:18,555 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:32:18,555 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-11 02:32:18,555 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-11 02:32:18,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 02:32:18,561 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2020-07-11 02:32:18,561 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-07-11 02:32:18,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 02:32:18,562 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 02:32:18,562 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 02:32:18,562 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 02:32:18,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-11 02:32:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-07-11 02:32:18,568 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 17 [2020-07-11 02:32:18,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 02:32:18,568 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-07-11 02:32:18,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-11 02:32:18,569 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 38 states and 42 transitions. [2020-07-11 02:32:18,635 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 02:32:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-07-11 02:32:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-11 02:32:18,636 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 02:32:18,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 02:32:18,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 02:32:18,637 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 02:32:18,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 02:32:18,638 INFO L82 PathProgramCache]: Analyzing trace with hash -588270500, now seen corresponding path program 1 times [2020-07-11 02:32:18,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 02:32:18,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100180111] [2020-07-11 02:32:18,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 02:32:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 02:32:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 02:32:18,710 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-11 02:32:18,710 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-11 02:32:18,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 02:32:18,737 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-11 02:32:18,737 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 02:32:18,737 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-11 02:32:18,738 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-11 02:32:18,741 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-11 02:32:18,742 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-11 02:32:18,742 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-11 02:32:18,742 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 02:32:18,743 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-11 02:32:18,743 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-11 02:32:18,750 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-11 02:32:18,750 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-11 02:32:18,750 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-11 02:32:18,750 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-11 02:32:18,750 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-11 02:32:18,751 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-11 02:32:18,751 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-11 02:32:18,751 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-11 02:32:18,751 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-11 02:32:18,752 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-11 02:32:18,752 WARN L170 areAnnotationChecker]: L7-2 has no Hoare annotation [2020-07-11 02:32:18,752 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2020-07-11 02:32:18,752 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-11 02:32:18,753 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-11 02:32:18,753 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-11 02:32:18,753 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2020-07-11 02:32:18,753 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-11 02:32:18,753 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2020-07-11 02:32:18,753 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-11 02:32:18,754 WARN L170 areAnnotationChecker]: L15-3 has no Hoare annotation [2020-07-11 02:32:18,754 WARN L170 areAnnotationChecker]: L16-5 has no Hoare annotation [2020-07-11 02:32:18,754 WARN L170 areAnnotationChecker]: L16-5 has no Hoare annotation [2020-07-11 02:32:18,754 WARN L170 areAnnotationChecker]: L16-6 has no Hoare annotation [2020-07-11 02:32:18,754 WARN L170 areAnnotationChecker]: L16-6 has no Hoare annotation [2020-07-11 02:32:18,754 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-11 02:32:18,754 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-11 02:32:18,755 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-11 02:32:18,755 WARN L170 areAnnotationChecker]: L16-4 has no Hoare annotation [2020-07-11 02:32:18,755 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-11 02:32:18,755 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-11 02:32:18,755 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-11 02:32:18,755 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2020-07-11 02:32:18,755 WARN L170 areAnnotationChecker]: L17-4 has no Hoare annotation [2020-07-11 02:32:18,756 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-11 02:32:18,756 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-11 02:32:18,756 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-11 02:32:18,756 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-11 02:32:18,756 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-11 02:32:18,756 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-11 02:32:18,757 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-11 02:32:18,757 WARN L170 areAnnotationChecker]: L20-3 has no Hoare annotation [2020-07-11 02:32:18,757 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-11 02:32:18,757 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-11 02:32:18,757 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-11 02:32:18,758 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-11 02:32:18,758 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-11 02:32:18,758 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-11 02:32:18,758 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-11 02:32:18,758 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-11 02:32:18,758 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. [2020-07-11 02:32:18,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 02:32:18 BoogieIcfgContainer [2020-07-11 02:32:18,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 02:32:18,770 INFO L168 Benchmark]: Toolchain (without parser) took 1610.23 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.8 MB in the beginning and 91.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. [2020-07-11 02:32:18,772 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 138.9 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-11 02:32:18,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.37 ms. Allocated memory is still 138.9 MB. Free memory was 103.3 MB in the beginning and 93.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-11 02:32:18,775 INFO L168 Benchmark]: Boogie Preprocessor took 33.56 ms. Allocated memory is still 138.9 MB. Free memory was 93.5 MB in the beginning and 91.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-07-11 02:32:18,776 INFO L168 Benchmark]: RCFGBuilder took 514.45 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 91.9 MB in the beginning and 159.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-07-11 02:32:18,778 INFO L168 Benchmark]: TraceAbstraction took 837.16 ms. Allocated memory is still 202.9 MB. Free memory was 159.0 MB in the beginning and 92.4 MB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. [2020-07-11 02:32:18,789 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 0.82 ms. Allocated memory is still 138.9 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 219.37 ms. Allocated memory is still 138.9 MB. Free memory was 103.3 MB in the beginning and 93.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.56 ms. Allocated memory is still 138.9 MB. Free memory was 93.5 MB in the beginning and 91.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 514.45 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 91.9 MB in the beginning and 159.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 837.16 ms. Allocated memory is still 202.9 MB. Free memory was 159.0 MB in the beginning and 92.4 MB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int x,y,z,w; [L15] EXPR w = 0 VAL [w=0] [L15] EXPR z = w = 0 VAL [w=0, z=0] [L15] EXPR y = z = w = 0 VAL [w=0, y=0, z=0] [L15] x = y = z = w = 0 VAL [w=0, x=0, y=0, z=0] [L16] COND FALSE !(__VERIFIER_nondet_int() && y < 10000) VAL [__VERIFIER_nondet_int()=0, w=0, x=0, y=0, z=0] [L31] CALL __VERIFIER_assert(x >= 4 && y <= 2) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 49 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, 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, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 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...