/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/volatile_alias.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 19:03:10,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 19:03:10,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 19:03:10,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 19:03:10,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 19:03:10,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 19:03:10,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 19:03:10,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 19:03:10,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 19:03:10,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 19:03:10,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 19:03:10,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 19:03:10,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 19:03:10,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 19:03:10,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 19:03:10,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 19:03:10,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 19:03:10,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 19:03:10,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 19:03:10,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 19:03:10,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 19:03:10,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 19:03:10,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 19:03:10,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 19:03:10,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 19:03:10,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 19:03:10,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 19:03:10,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 19:03:10,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 19:03:10,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 19:03:10,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 19:03:10,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 19:03:10,316 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 19:03:10,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 19:03:10,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 19:03:10,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 19:03:10,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 19:03:10,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 19:03:10,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 19:03:10,318 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 19:03:10,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 19:03:10,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 19:03:10,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 19:03:10,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 19:03:10,319 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 19:03:10,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 19:03:10,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 19:03:10,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 19:03:10,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 19:03:10,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 19:03:10,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 19:03:10,320 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 19:03:10,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 19:03:10,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 19:03:10,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 19:03:10,655 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 19:03:10,655 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 19:03:10,656 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/volatile_alias.i [2020-07-10 19:03:10,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2fb04cca/43ba15a7fc1d407297208ecfce0dbd5c/FLAG8ba9c7177 [2020-07-10 19:03:11,230 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 19:03:11,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/volatile_alias.i [2020-07-10 19:03:11,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2fb04cca/43ba15a7fc1d407297208ecfce0dbd5c/FLAG8ba9c7177 [2020-07-10 19:03:11,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2fb04cca/43ba15a7fc1d407297208ecfce0dbd5c [2020-07-10 19:03:11,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 19:03:11,581 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 19:03:11,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 19:03:11,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 19:03:11,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 19:03:11,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:03:11" (1/1) ... [2020-07-10 19:03:11,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515fc9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11, skipping insertion in model container [2020-07-10 19:03:11,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:03:11" (1/1) ... [2020-07-10 19:03:11,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 19:03:11,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 19:03:11,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:03:11,806 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 19:03:11,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:03:11,840 INFO L208 MainTranslator]: Completed translation [2020-07-10 19:03:11,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11 WrapperNode [2020-07-10 19:03:11,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 19:03:11,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 19:03:11,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 19:03:11,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 19:03:11,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11" (1/1) ... [2020-07-10 19:03:11,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11" (1/1) ... [2020-07-10 19:03:11,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11" (1/1) ... [2020-07-10 19:03:11,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11" (1/1) ... [2020-07-10 19:03:11,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11" (1/1) ... [2020-07-10 19:03:11,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11" (1/1) ... [2020-07-10 19:03:11,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11" (1/1) ... [2020-07-10 19:03:11,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 19:03:11,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 19:03:11,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 19:03:11,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 19:03:11,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11" (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 [2020-07-10 19:03:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 19:03:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 19:03:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 19:03:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 19:03:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 19:03:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 19:03:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-10 19:03:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 19:03:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 19:03:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 19:03:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 19:03:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 19:03:12,336 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 19:03:12,336 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 19:03:12,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:03:12 BoogieIcfgContainer [2020-07-10 19:03:12,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 19:03:12,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 19:03:12,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 19:03:12,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 19:03:12,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:03:11" (1/3) ... [2020-07-10 19:03:12,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ea82fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:03:12, skipping insertion in model container [2020-07-10 19:03:12,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:03:11" (2/3) ... [2020-07-10 19:03:12,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57ea82fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:03:12, skipping insertion in model container [2020-07-10 19:03:12,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:03:12" (3/3) ... [2020-07-10 19:03:12,349 INFO L109 eAbstractionObserver]: Analyzing ICFG volatile_alias.i [2020-07-10 19:03:12,361 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 19:03:12,369 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 19:03:12,384 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 19:03:12,407 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 19:03:12,407 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 19:03:12,407 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 19:03:12,408 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 19:03:12,408 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 19:03:12,408 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 19:03:12,408 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 19:03:12,408 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 19:03:12,423 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-07-10 19:03:12,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-10 19:03:12,441 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:03:12,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 19:03:12,443 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:03:12,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:03:12,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1049886255, now seen corresponding path program 1 times [2020-07-10 19:03:12,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:03:12,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075093622] [2020-07-10 19:03:12,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:03:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:03:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:03:12,865 INFO L280 TraceCheckUtils]: 0: Hoare triple {42#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {30#true} is VALID [2020-07-10 19:03:12,866 INFO L280 TraceCheckUtils]: 1: Hoare triple {30#true} #valid := #valid[0 := 0]; {30#true} is VALID [2020-07-10 19:03:12,866 INFO L280 TraceCheckUtils]: 2: Hoare triple {30#true} assume 0 < #StackHeapBarrier; {30#true} is VALID [2020-07-10 19:03:12,867 INFO L280 TraceCheckUtils]: 3: Hoare triple {30#true} assume true; {30#true} is VALID [2020-07-10 19:03:12,868 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {30#true} {30#true} #31#return; {30#true} is VALID [2020-07-10 19:03:12,872 INFO L263 TraceCheckUtils]: 0: Hoare triple {30#true} call ULTIMATE.init(); {42#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 19:03:12,872 INFO L280 TraceCheckUtils]: 1: Hoare triple {42#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {30#true} is VALID [2020-07-10 19:03:12,873 INFO L280 TraceCheckUtils]: 2: Hoare triple {30#true} #valid := #valid[0 := 0]; {30#true} is VALID [2020-07-10 19:03:12,873 INFO L280 TraceCheckUtils]: 3: Hoare triple {30#true} assume 0 < #StackHeapBarrier; {30#true} is VALID [2020-07-10 19:03:12,874 INFO L280 TraceCheckUtils]: 4: Hoare triple {30#true} assume true; {30#true} is VALID [2020-07-10 19:03:12,874 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {30#true} {30#true} #31#return; {30#true} is VALID [2020-07-10 19:03:12,875 INFO L263 TraceCheckUtils]: 6: Hoare triple {30#true} call #t~ret2 := main(); {30#true} is VALID [2020-07-10 19:03:12,876 INFO L280 TraceCheckUtils]: 7: Hoare triple {30#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: mainENTRY {30#true} is VALID [2020-07-10 19:03:12,877 INFO L280 TraceCheckUtils]: 8: Hoare triple {30#true} SUMMARY for call write~init~int(4, ~#a~0.base, ~#a~0.offset, 4); srcloc: L8 {37#(= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-10 19:03:12,881 INFO L280 TraceCheckUtils]: 9: Hoare triple {37#(= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} ~p~0.base, ~p~0.offset := ~#a~0.base, ~#a~0.offset; {37#(= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-10 19:03:12,883 INFO L280 TraceCheckUtils]: 10: Hoare triple {37#(= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} ~p~0.base, ~p~0.offset := ~#a~0.base, ~#a~0.offset; {38#(and (= main_~p~0.base |main_~#a~0.base|) (= |main_~#a~0.offset| main_~p~0.offset) (= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))} is VALID [2020-07-10 19:03:12,885 INFO L280 TraceCheckUtils]: 11: Hoare triple {38#(and (= main_~p~0.base |main_~#a~0.base|) (= |main_~#a~0.offset| main_~p~0.offset) (= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))} SUMMARY for call #t~mem0 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L11 {39#(and (= main_~p~0.base |main_~#a~0.base|) (= |main_~#a~0.offset| main_~p~0.offset) (= 4 |main_#t~mem0|))} is VALID [2020-07-10 19:03:12,887 INFO L280 TraceCheckUtils]: 12: Hoare triple {39#(and (= main_~p~0.base |main_~#a~0.base|) (= |main_~#a~0.offset| main_~p~0.offset) (= 4 |main_#t~mem0|))} SUMMARY for call write~int(#t~mem0 - 4, ~#a~0.base, ~#a~0.offset, 4); srcloc: L11-1 {40#(= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-10 19:03:12,888 INFO L280 TraceCheckUtils]: 13: Hoare triple {40#(= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} havoc #t~mem0; {40#(= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} is VALID [2020-07-10 19:03:12,890 INFO L280 TraceCheckUtils]: 14: Hoare triple {40#(= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))} SUMMARY for call #t~mem1 := read~int(~p~0.base, ~p~0.offset, 4); srcloc: L12 {41#(= 0 |main_#t~mem1|)} is VALID [2020-07-10 19:03:12,891 INFO L280 TraceCheckUtils]: 15: Hoare triple {41#(= 0 |main_#t~mem1|)} assume 0 != #t~mem1; {31#false} is VALID [2020-07-10 19:03:12,892 INFO L280 TraceCheckUtils]: 16: Hoare triple {31#false} havoc #t~mem1; {31#false} is VALID [2020-07-10 19:03:12,892 INFO L280 TraceCheckUtils]: 17: Hoare triple {31#false} assume !false; {31#false} is VALID [2020-07-10 19:03:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:03:12,898 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:03:12,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075093622] [2020-07-10 19:03:12,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:03:12,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 19:03:12,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342294778] [2020-07-10 19:03:12,911 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-07-10 19:03:12,914 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:03:12,919 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 19:03:12,959 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:03:12,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 19:03:12,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:03:12,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 19:03:12,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-10 19:03:12,973 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 8 states. [2020-07-10 19:03:13,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:03:13,412 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2020-07-10 19:03:13,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 19:03:13,413 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-07-10 19:03:13,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:03:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 19:03:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 33 transitions. [2020-07-10 19:03:13,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 19:03:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 33 transitions. [2020-07-10 19:03:13,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 33 transitions. [2020-07-10 19:03:13,489 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:03:13,498 INFO L225 Difference]: With dead ends: 34 [2020-07-10 19:03:13,498 INFO L226 Difference]: Without dead ends: 0 [2020-07-10 19:03:13,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-10 19:03:13,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-10 19:03:13,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-10 19:03:13,531 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:03:13,532 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-10 19:03:13,533 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 19:03:13,533 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 19:03:13,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:03:13,534 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 19:03:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 19:03:13,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:03:13,535 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:03:13,535 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 19:03:13,535 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 19:03:13,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:03:13,536 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 19:03:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 19:03:13,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:03:13,536 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:03:13,537 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:03:13,537 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:03:13,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-10 19:03:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-10 19:03:13,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-10 19:03:13,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:03:13,540 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-10 19:03:13,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 19:03:13,540 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-10 19:03:13,541 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:03:13,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 19:03:13,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:03:13,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 19:03:13,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-10 19:03:13,750 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-10 19:03:13,751 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-10 19:03:13,751 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-10 19:03:13,751 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-10 19:03:13,751 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-10 19:03:13,752 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-10 19:03:13,752 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-10 19:03:13,752 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-10 19:03:13,752 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-10 19:03:13,753 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: false [2020-07-10 19:03:13,753 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 6 16) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-10 19:03:13,753 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 6 16) the Hoare annotation is: (= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) [2020-07-10 19:03:13,753 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: false [2020-07-10 19:03:13,753 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 6 16) the Hoare annotation is: (= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) [2020-07-10 19:03:13,754 INFO L264 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: (= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) [2020-07-10 19:03:13,754 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (= main_~p~0.base |main_~#a~0.base|) (= |main_~#a~0.offset| main_~p~0.offset) (= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-07-10 19:03:13,754 INFO L264 CegarLoopResult]: At program point L12-1(lines 12 14) the Hoare annotation is: (and (= 0 |main_#t~mem1|) (= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) [2020-07-10 19:03:13,754 INFO L264 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (and (= main_~p~0.base |main_~#a~0.base|) (= |main_~#a~0.offset| main_~p~0.offset) (= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-07-10 19:03:13,755 INFO L264 CegarLoopResult]: At program point L11-1(line 11) the Hoare annotation is: (and (= main_~p~0.base |main_~#a~0.base|) (= |main_~#a~0.offset| main_~p~0.offset) (= 4 |main_#t~mem0|) (= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2020-07-10 19:03:13,755 INFO L264 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: false [2020-07-10 19:03:13,755 INFO L264 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: (and (= main_~p~0.base |main_~#a~0.base|) (= |main_~#a~0.offset| main_~p~0.offset) (= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) (= 4 |main_#t~mem0|)) [2020-07-10 19:03:13,755 INFO L271 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-07-10 19:03:13,756 INFO L264 CegarLoopResult]: At program point L12-4(line 12) the Hoare annotation is: (and (= 0 |main_#t~mem1|) (= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) [2020-07-10 19:03:13,756 INFO L264 CegarLoopResult]: At program point L8-1(line 8) the Hoare annotation is: (= 4 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) [2020-07-10 19:03:13,756 INFO L264 CegarLoopResult]: At program point L12-5(lines 12 14) the Hoare annotation is: (= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) [2020-07-10 19:03:13,756 INFO L264 CegarLoopResult]: At program point L8-2(line 8) the Hoare annotation is: (= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) [2020-07-10 19:03:13,757 INFO L264 CegarLoopResult]: At program point L8-3(line 8) the Hoare annotation is: (= 0 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset)) [2020-07-10 19:03:13,772 INFO L163 areAnnotationChecker]: CFG has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 19:03:13,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:03:13,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 07:03:13 BoogieIcfgContainer [2020-07-10 19:03:13,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 19:03:13,789 INFO L168 Benchmark]: Toolchain (without parser) took 2207.81 ms. Allocated memory was 137.4 MB in the beginning and 232.8 MB in the end (delta: 95.4 MB). Free memory was 103.0 MB in the beginning and 160.3 MB in the end (delta: -57.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2020-07-10 19:03:13,790 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-10 19:03:13,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.02 ms. Allocated memory is still 137.4 MB. Free memory was 102.8 MB in the beginning and 92.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-10 19:03:13,792 INFO L168 Benchmark]: Boogie Preprocessor took 37.74 ms. Allocated memory is still 137.4 MB. Free memory was 92.5 MB in the beginning and 90.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-07-10 19:03:13,794 INFO L168 Benchmark]: RCFGBuilder took 460.39 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 90.9 MB in the beginning and 164.9 MB in the end (delta: -74.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-10 19:03:13,795 INFO L168 Benchmark]: TraceAbstraction took 1445.21 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 164.9 MB in the beginning and 160.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2020-07-10 19:03:13,799 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 0.27 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 259.02 ms. Allocated memory is still 137.4 MB. Free memory was 102.8 MB in the beginning and 92.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.74 ms. Allocated memory is still 137.4 MB. Free memory was 92.5 MB in the beginning and 90.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 460.39 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 90.9 MB in the beginning and 164.9 MB in the end (delta: -74.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1445.21 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 164.9 MB in the beginning and 160.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 6]: Procedure Contract for main [2020-07-10 19:03:13,808 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-10 19:03:13,809 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived contract for procedure main: 0 == unknown-#memory_int-unknown[p][p] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 10 SDslu, 52 SDs, 0 SdLazy, 52 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 34 NumberOfFragments, 158 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 correct! Received shutdown request...