/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 0.1.25-267fbe0 [2020-07-18 00:22:45,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:22:45,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:22:45,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:22:45,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:22:45,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:22:45,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:22:45,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:22:45,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:22:45,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:22:45,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:22:45,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:22:45,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:22:45,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:22:45,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:22:45,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:22:45,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:22:45,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:22:45,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:22:45,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:22:45,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:22:45,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:22:45,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:22:45,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:22:45,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 00:22:45,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 00:22:45,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 00:22:45,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 00:22:45,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 00:22:45,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 00:22:45,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 00:22:45,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 00:22:45,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 00:22:45,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 00:22:45,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 00:22:45,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 00:22:45,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 00:22:45,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 00:22:45,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:22:45,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:22:45,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:22:45,491 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 00:22:45,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:22:45,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:22:45,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:22:45,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:22:45,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:22:45,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:22:45,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:22:45,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:22:45,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:22:45,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:22:45,504 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:22:45,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:22:45,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:22:45,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:22:45,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:22:45,505 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:22:45,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:22:45,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:22:45,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:22:45,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:22:45,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:22:45,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:22:45,507 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:22:45,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:22:45,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:22:45,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:22:45,834 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:22:45,835 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:22:45,835 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/volatile_alias.i [2020-07-18 00:22:45,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6da89d2b/dacf9388a05449f79e8deefa16702584/FLAG4d94406f5 [2020-07-18 00:22:46,342 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:22:46,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/volatile_alias.i [2020-07-18 00:22:46,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6da89d2b/dacf9388a05449f79e8deefa16702584/FLAG4d94406f5 [2020-07-18 00:22:46,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6da89d2b/dacf9388a05449f79e8deefa16702584 [2020-07-18 00:22:46,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:22:46,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:22:46,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:22:46,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:22:46,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:22:46,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:22:46" (1/1) ... [2020-07-18 00:22:46,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ff13ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:46, skipping insertion in model container [2020-07-18 00:22:46,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:22:46" (1/1) ... [2020-07-18 00:22:46,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:22:46,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:22:47,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:22:47,023 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:22:47,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:22:47,058 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:22:47,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:47 WrapperNode [2020-07-18 00:22:47,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:22:47,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:22:47,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:22:47,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:22:47,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:47" (1/1) ... [2020-07-18 00:22:47,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:47" (1/1) ... [2020-07-18 00:22:47,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:47" (1/1) ... [2020-07-18 00:22:47,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:47" (1/1) ... [2020-07-18 00:22:47,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:47" (1/1) ... [2020-07-18 00:22:47,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:47" (1/1) ... [2020-07-18 00:22:47,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:47" (1/1) ... [2020-07-18 00:22:47,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:22:47,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:22:47,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:22:47,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:22:47,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:47" (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 00:22:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:22:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:22:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:22:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:22:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:22:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:22:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-18 00:22:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:22:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:22:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:22:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:22:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:22:47,492 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:22:47,492 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:22:47,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:22:47 BoogieIcfgContainer [2020-07-18 00:22:47,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:22:47,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:22:47,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:22:47,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:22:47,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:22:46" (1/3) ... [2020-07-18 00:22:47,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a61082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:22:47, skipping insertion in model container [2020-07-18 00:22:47,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:22:47" (2/3) ... [2020-07-18 00:22:47,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a61082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:22:47, skipping insertion in model container [2020-07-18 00:22:47,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:22:47" (3/3) ... [2020-07-18 00:22:47,510 INFO L109 eAbstractionObserver]: Analyzing ICFG volatile_alias.i [2020-07-18 00:22:47,524 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:22:47,543 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:22:47,583 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:22:47,633 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:22:47,633 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:22:47,633 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:22:47,634 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:22:47,635 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:22:47,635 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:22:47,636 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:22:47,636 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:22:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-07-18 00:22:47,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-18 00:22:47,667 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:22:47,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:22:47,669 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:22:47,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:22:47,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1049886255, now seen corresponding path program 1 times [2020-07-18 00:22:47,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:22:47,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204290971] [2020-07-18 00:22:47,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:22:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:22:48,105 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 [2020-07-18 00:22:48,106 INFO L280 TraceCheckUtils]: 1: Hoare triple {30#true} #valid := #valid[0 := 0]; {30#true} is VALID [2020-07-18 00:22:48,106 INFO L280 TraceCheckUtils]: 2: Hoare triple {30#true} assume 0 < #StackHeapBarrier; {30#true} is VALID [2020-07-18 00:22:48,107 INFO L280 TraceCheckUtils]: 3: Hoare triple {30#true} assume true; {30#true} is VALID [2020-07-18 00:22:48,107 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {30#true} {30#true} #31#return; {30#true} is VALID [2020-07-18 00:22:48,113 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 [2020-07-18 00:22:48,113 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 [2020-07-18 00:22:48,114 INFO L280 TraceCheckUtils]: 2: Hoare triple {30#true} #valid := #valid[0 := 0]; {30#true} is VALID [2020-07-18 00:22:48,114 INFO L280 TraceCheckUtils]: 3: Hoare triple {30#true} assume 0 < #StackHeapBarrier; {30#true} is VALID [2020-07-18 00:22:48,115 INFO L280 TraceCheckUtils]: 4: Hoare triple {30#true} assume true; {30#true} is VALID [2020-07-18 00:22:48,115 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {30#true} {30#true} #31#return; {30#true} is VALID [2020-07-18 00:22:48,116 INFO L263 TraceCheckUtils]: 6: Hoare triple {30#true} call #t~ret2 := main(); {30#true} is VALID [2020-07-18 00:22:48,116 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 [2020-07-18 00:22:48,118 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 [2020-07-18 00:22:48,119 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 [2020-07-18 00:22:48,121 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 [2020-07-18 00:22:48,122 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 [2020-07-18 00:22:48,124 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 [2020-07-18 00:22:48,126 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 [2020-07-18 00:22:48,128 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 [2020-07-18 00:22:48,129 INFO L280 TraceCheckUtils]: 15: Hoare triple {41#(= 0 |main_#t~mem1|)} assume 0 != #t~mem1; {31#false} is VALID [2020-07-18 00:22:48,130 INFO L280 TraceCheckUtils]: 16: Hoare triple {31#false} havoc #t~mem1; {31#false} is VALID [2020-07-18 00:22:48,130 INFO L280 TraceCheckUtils]: 17: Hoare triple {31#false} assume !false; {31#false} is VALID [2020-07-18 00:22:48,134 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 00:22:48,137 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:22:48,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204290971] [2020-07-18 00:22:48,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:22:48,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-18 00:22:48,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075525813] [2020-07-18 00:22:48,150 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-07-18 00:22:48,153 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:22:48,158 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-18 00:22:48,200 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:48,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-18 00:22:48,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:22:48,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-18 00:22:48,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-18 00:22:48,214 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 8 states. [2020-07-18 00:22:48,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:48,642 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2020-07-18 00:22:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-18 00:22:48,643 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-07-18 00:22:48,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:22:48,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 00:22:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 33 transitions. [2020-07-18 00:22:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-18 00:22:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 33 transitions. [2020-07-18 00:22:48,664 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 33 transitions. [2020-07-18 00:22:48,722 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:48,730 INFO L225 Difference]: With dead ends: 34 [2020-07-18 00:22:48,730 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 00:22:48,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-18 00:22:48,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 00:22:48,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 00:22:48,762 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:22:48,763 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:48,764 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:48,764 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:48,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:48,765 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 00:22:48,766 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:22:48,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:48,766 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:22:48,766 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:48,767 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 00:22:48,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:22:48,767 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 00:22:48,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:22:48,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:48,768 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:22:48,768 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:22:48,768 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:22:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 00:22:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 00:22:48,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-18 00:22:48,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:22:48,771 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 00:22:48,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-18 00:22:48,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 00:22:48,772 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:22:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 00:22:48,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:22:48,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:22:48,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 00:22:48,976 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 00:22:48,976 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-18 00:22:48,977 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 00:22:48,977 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)|)) [2020-07-18 00:22:48,977 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 00:22:48,977 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 00:22:48,977 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 00:22:48,978 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 00:22:48,978 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 00:22:48,978 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: false [2020-07-18 00:22:48,978 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 6 16) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-18 00:22:48,979 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)) [2020-07-18 00:22:48,979 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: false [2020-07-18 00:22:48,979 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)) [2020-07-18 00:22:48,979 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)) [2020-07-18 00:22:48,979 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|))) [2020-07-18 00:22:48,980 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))) [2020-07-18 00:22:48,980 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|))) [2020-07-18 00:22:48,980 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|))) [2020-07-18 00:22:48,980 INFO L264 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: false [2020-07-18 00:22:48,981 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|)) [2020-07-18 00:22:48,981 INFO L271 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-07-18 00:22:48,981 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))) [2020-07-18 00:22:48,981 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|)) [2020-07-18 00:22:48,982 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)) [2020-07-18 00:22:48,982 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)) [2020-07-18 00:22:48,982 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)) [2020-07-18 00:22:48,997 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. [2020-07-18 00:22:49,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-18 00:22:49,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:22:49 BoogieIcfgContainer [2020-07-18 00:22:49,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:22:49,016 INFO L168 Benchmark]: Toolchain (without parser) took 2219.11 ms. Allocated memory was 135.3 MB in the beginning and 226.0 MB in the end (delta: 90.7 MB). Free memory was 99.5 MB in the beginning and 155.2 MB in the end (delta: -55.7 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:49,017 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 135.3 MB. Free memory was 117.4 MB in the beginning and 117.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:22:49,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.44 ms. Allocated memory is still 135.3 MB. Free memory was 99.1 MB in the beginning and 89.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:49,019 INFO L168 Benchmark]: Boogie Preprocessor took 115.10 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 89.4 MB in the beginning and 176.4 MB in the end (delta: -87.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:49,020 INFO L168 Benchmark]: RCFGBuilder took 324.12 ms. Allocated memory is still 198.7 MB. Free memory was 176.4 MB in the beginning and 160.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:49,021 INFO L168 Benchmark]: TraceAbstraction took 1512.66 ms. Allocated memory was 198.7 MB in the beginning and 226.0 MB in the end (delta: 27.3 MB). Free memory was 159.6 MB in the beginning and 155.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:22:49,025 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 0.30 ms. Allocated memory is still 135.3 MB. Free memory was 117.4 MB in the beginning and 117.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 260.44 ms. Allocated memory is still 135.3 MB. Free memory was 99.1 MB in the beginning and 89.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.10 ms. Allocated memory was 135.3 MB in the beginning and 198.7 MB in the end (delta: 63.4 MB). Free memory was 89.4 MB in the beginning and 176.4 MB in the end (delta: -87.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.12 ms. Allocated memory is still 198.7 MB. Free memory was 176.4 MB in the beginning and 160.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1512.66 ms. Allocated memory was 198.7 MB in the beginning and 226.0 MB in the end (delta: 27.3 MB). Free memory was 159.6 MB in the beginning and 155.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 31.7 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 [2020-07-18 00:22:49,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-18 00:22:49,035 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, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s 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, 0.1s 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...