/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test26-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 12:25:27,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:25:27,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:25:27,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-08 12:25:27,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:25:27,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:25:27,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:25:27,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:25:27,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:25:27,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:25:27,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:25:27,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:25:27,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:25:27,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:25:27,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:25:27,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:25:27,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 12:25:27,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-08 12:25:27,316 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:25:27,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:25:27,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:25:27,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:25:27,320 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:25:27,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:25:27,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:25:27,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:25:27,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:25:27,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:25:27,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:25:27,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:25:27,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:25:27,323 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:25:27,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:25:27,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:25:27,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:25:27,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:25:27,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:25:27,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:25:27,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:25:27,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:25:27,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:25:27,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:25:27,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:25:27,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:25:27,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:25:27,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:25:27,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:25:27,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:25:27,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:25:27,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:25:27,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:25:27,636 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:25:27,636 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:25:27,637 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26-1.c [2020-07-08 12:25:27,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebcb45e32/fbeb30154edb47e596aa049f70602f51/FLAG7918d8516 [2020-07-08 12:25:28,233 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:25:28,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test26-1.c [2020-07-08 12:25:28,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebcb45e32/fbeb30154edb47e596aa049f70602f51/FLAG7918d8516 [2020-07-08 12:25:28,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebcb45e32/fbeb30154edb47e596aa049f70602f51 [2020-07-08 12:25:28,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:25:28,625 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:25:28,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:25:28,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:25:28,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:25:28,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:25:28" (1/1) ... [2020-07-08 12:25:28,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687159c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28, skipping insertion in model container [2020-07-08 12:25:28,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:25:28" (1/1) ... [2020-07-08 12:25:28,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:25:28,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:25:28,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:25:28,867 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:25:28,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:25:28,904 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:25:28,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28 WrapperNode [2020-07-08 12:25:28,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:25:28,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:25:28,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:25:28,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:25:29,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28" (1/1) ... [2020-07-08 12:25:29,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28" (1/1) ... [2020-07-08 12:25:29,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28" (1/1) ... [2020-07-08 12:25:29,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28" (1/1) ... [2020-07-08 12:25:29,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28" (1/1) ... [2020-07-08 12:25:29,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28" (1/1) ... [2020-07-08 12:25:29,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28" (1/1) ... [2020-07-08 12:25:29,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:25:29,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:25:29,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:25:29,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:25:29,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28" (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 [2020-07-08 12:25:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:25:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:25:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-07-08 12:25:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:25:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:25:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-07-08 12:25:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 12:25:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 12:25:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:25:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:25:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 12:25:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 12:25:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:25:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 12:25:29,388 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:25:29,388 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 12:25:29,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:25:29 BoogieIcfgContainer [2020-07-08 12:25:29,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:25:29,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:25:29,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:25:29,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:25:29,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:25:28" (1/3) ... [2020-07-08 12:25:29,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2649488f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:25:29, skipping insertion in model container [2020-07-08 12:25:29,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:28" (2/3) ... [2020-07-08 12:25:29,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2649488f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:25:29, skipping insertion in model container [2020-07-08 12:25:29,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:25:29" (3/3) ... [2020-07-08 12:25:29,402 INFO L109 eAbstractionObserver]: Analyzing ICFG test26-1.c [2020-07-08 12:25:29,416 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:25:29,425 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 12:25:29,448 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 12:25:29,518 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:25:29,518 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:25:29,519 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:25:29,519 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:25:29,519 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:25:29,519 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:25:29,520 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:25:29,520 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:25:29,542 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-07-08 12:25:29,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-08 12:25:29,561 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:25:29,562 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:25:29,563 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:25:29,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:25:29,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times [2020-07-08 12:25:29,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:25:29,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832907502] [2020-07-08 12:25:29,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:25:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:25:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:25:30,257 INFO L280 TraceCheckUtils]: 0: Hoare triple {33#(and (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#global~0.base, ~#global~0.offset := #Ultimate.allocOnStack(8);call write~init~int(0, ~#global~0.base, ~#global~0.offset, 4);call write~init~int(1, ~#global~0.base, 4 + ~#global~0.offset, 4); {26#(= |~#global~0.offset| 0)} is VALID [2020-07-08 12:25:30,259 INFO L280 TraceCheckUtils]: 1: Hoare triple {26#(= |~#global~0.offset| 0)} assume true; {26#(= |~#global~0.offset| 0)} is VALID [2020-07-08 12:25:30,262 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {26#(= |~#global~0.offset| 0)} {21#true} #19#return; {26#(= |~#global~0.offset| 0)} is VALID [2020-07-08 12:25:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:25:30,357 INFO L280 TraceCheckUtils]: 0: Hoare triple {34#(= |#memory_int| |old(#memory_int)|)} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem0 := read~int(~pb.base, ~pb.offset, 4);call write~int(#t~mem0, ~pa.base, ~pa.offset, 4);havoc #t~mem0; {35#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pb.offset|)) (not (= |assign_#in~pa.base| |assign_#in~pb.base|)))} is VALID [2020-07-08 12:25:30,358 INFO L280 TraceCheckUtils]: 1: Hoare triple {35#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pb.offset|)) (not (= |assign_#in~pa.base| |assign_#in~pb.base|)))} assume true; {35#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pb.offset|)) (not (= |assign_#in~pa.base| |assign_#in~pb.base|)))} is VALID [2020-07-08 12:25:30,361 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {35#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pb.offset|)) (not (= |assign_#in~pa.base| |assign_#in~pb.base|)))} {27#(and (= |~#global~0.base| main_~pd~0.base) (= 0 main_~pd~0.offset) (= |~#global~0.offset| 0))} #23#return; {31#(and (= 0 main_~pd~0.offset) (= (select (select |#memory_int| |~#global~0.base|) (+ |~#global~0.offset| 4)) (select (select |#memory_int| main_~pd~0.base) main_~pd~0.offset)) (= |~#global~0.offset| 0))} is VALID [2020-07-08 12:25:30,363 INFO L263 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {33#(and (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 12:25:30,365 INFO L280 TraceCheckUtils]: 1: Hoare triple {33#(and (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#global~0.base, ~#global~0.offset := #Ultimate.allocOnStack(8);call write~init~int(0, ~#global~0.base, ~#global~0.offset, 4);call write~init~int(1, ~#global~0.base, 4 + ~#global~0.offset, 4); {26#(= |~#global~0.offset| 0)} is VALID [2020-07-08 12:25:30,366 INFO L280 TraceCheckUtils]: 2: Hoare triple {26#(= |~#global~0.offset| 0)} assume true; {26#(= |~#global~0.offset| 0)} is VALID [2020-07-08 12:25:30,367 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {26#(= |~#global~0.offset| 0)} {21#true} #19#return; {26#(= |~#global~0.offset| 0)} is VALID [2020-07-08 12:25:30,368 INFO L263 TraceCheckUtils]: 4: Hoare triple {26#(= |~#global~0.offset| 0)} call #t~ret3 := main(); {26#(= |~#global~0.offset| 0)} is VALID [2020-07-08 12:25:30,369 INFO L280 TraceCheckUtils]: 5: Hoare triple {26#(= |~#global~0.offset| 0)} ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; {27#(and (= |~#global~0.base| main_~pd~0.base) (= 0 main_~pd~0.offset) (= |~#global~0.offset| 0))} is VALID [2020-07-08 12:25:30,372 INFO L263 TraceCheckUtils]: 6: Hoare triple {27#(and (= |~#global~0.base| main_~pd~0.base) (= 0 main_~pd~0.offset) (= |~#global~0.offset| 0))} call assign(~pd~0.base, ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); {34#(= |#memory_int| |old(#memory_int)|)} is VALID [2020-07-08 12:25:30,373 INFO L280 TraceCheckUtils]: 7: Hoare triple {34#(= |#memory_int| |old(#memory_int)|)} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem0 := read~int(~pb.base, ~pb.offset, 4);call write~int(#t~mem0, ~pa.base, ~pa.offset, 4);havoc #t~mem0; {35#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pb.offset|)) (not (= |assign_#in~pa.base| |assign_#in~pb.base|)))} is VALID [2020-07-08 12:25:30,374 INFO L280 TraceCheckUtils]: 8: Hoare triple {35#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pb.offset|)) (not (= |assign_#in~pa.base| |assign_#in~pb.base|)))} assume true; {35#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pb.offset|)) (not (= |assign_#in~pa.base| |assign_#in~pb.base|)))} is VALID [2020-07-08 12:25:30,377 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {35#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pb.offset|)) (not (= |assign_#in~pa.base| |assign_#in~pb.base|)))} {27#(and (= |~#global~0.base| main_~pd~0.base) (= 0 main_~pd~0.offset) (= |~#global~0.offset| 0))} #23#return; {31#(and (= 0 main_~pd~0.offset) (= (select (select |#memory_int| |~#global~0.base|) (+ |~#global~0.offset| 4)) (select (select |#memory_int| main_~pd~0.base) main_~pd~0.offset)) (= |~#global~0.offset| 0))} is VALID [2020-07-08 12:25:30,379 INFO L280 TraceCheckUtils]: 10: Hoare triple {31#(and (= 0 main_~pd~0.offset) (= (select (select |#memory_int| |~#global~0.base|) (+ |~#global~0.offset| 4)) (select (select |#memory_int| main_~pd~0.base) main_~pd~0.offset)) (= |~#global~0.offset| 0))} call #t~mem1 := read~int(~pd~0.base, ~pd~0.offset, 4);call #t~mem2 := read~int(~#global~0.base, 4 + ~#global~0.offset, 4); {32#(= |main_#t~mem2| |main_#t~mem1|)} is VALID [2020-07-08 12:25:30,380 INFO L280 TraceCheckUtils]: 11: Hoare triple {32#(= |main_#t~mem2| |main_#t~mem1|)} assume #t~mem1 != #t~mem2;havoc #t~mem2;havoc #t~mem1; {22#false} is VALID [2020-07-08 12:25:30,380 INFO L280 TraceCheckUtils]: 12: Hoare triple {22#false} assume !false; {22#false} is VALID [2020-07-08 12:25:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 12:25:30,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832907502] [2020-07-08 12:25:30,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:25:30,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 12:25:30,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717227134] [2020-07-08 12:25:30,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-07-08 12:25:30,396 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:25:30,401 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 12:25:30,433 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:25:30,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 12:25:30,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:25:30,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 12:25:30,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-08 12:25:30,447 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 9 states. [2020-07-08 12:25:31,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:25:31,180 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-07-08 12:25:31,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-08 12:25:31,181 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-07-08 12:25:31,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:25:31,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 12:25:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 21 transitions. [2020-07-08 12:25:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 12:25:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 21 transitions. [2020-07-08 12:25:31,207 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 21 transitions. [2020-07-08 12:25:31,242 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:25:31,250 INFO L225 Difference]: With dead ends: 22 [2020-07-08 12:25:31,250 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 12:25:31,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-07-08 12:25:31,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 12:25:31,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 12:25:31,285 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:25:31,286 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:31,286 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:31,287 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:31,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:25:31,287 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 12:25:31,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:25:31,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:25:31,288 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:25:31,288 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:31,289 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:31,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:25:31,289 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 12:25:31,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:25:31,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:25:31,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:25:31,292 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:25:31,292 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:25:31,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 12:25:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 12:25:31,295 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-07-08 12:25:31,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:25:31,296 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 12:25:31,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 12:25:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:25:31,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:25:31,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:25:31,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 12:25:31,521 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-08 12:25:31,522 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|)) [2020-07-08 12:25:31,522 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-08 12:25:31,522 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-08 12:25:31,522 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |~#global~0.offset| 0) [2020-07-08 12:25:31,523 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 12:25:31,523 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-08 12:25:31,523 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (or (not (= |~#global~0.offset| 0)) (and (= |~#global~0.base| main_~pd~0.base) (= 0 main_~pd~0.offset) (= |#memory_int| |old(#memory_int)|))) [2020-07-08 12:25:31,524 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2020-07-08 12:25:31,524 INFO L268 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed. [2020-07-08 12:25:31,525 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 12 26) the Hoare annotation is: (or (not (= |~#global~0.offset| 0)) (= |#memory_int| |old(#memory_int)|)) [2020-07-08 12:25:31,526 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 12 26) no Hoare annotation was computed. [2020-07-08 12:25:31,526 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 12 26) no Hoare annotation was computed. [2020-07-08 12:25:31,528 INFO L264 CegarLoopResult]: At program point L19(lines 13 26) the Hoare annotation is: (not (= 0 |~#global~0.offset|)) [2020-07-08 12:25:31,528 INFO L268 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-07-08 12:25:31,528 INFO L268 CegarLoopResult]: For program point assignEXIT(lines 7 10) no Hoare annotation was computed. [2020-07-08 12:25:31,529 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 7 10) the Hoare annotation is: (or (not (= |~#global~0.offset| 0)) (= |#memory_int| |old(#memory_int)|)) [2020-07-08 12:25:31,529 INFO L268 CegarLoopResult]: For program point assignFINAL(lines 7 10) no Hoare annotation was computed. [2020-07-08 12:25:31,535 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:25:31,538 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2020-07-08 12:25:31,538 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:25:31,538 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:25:31,540 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 12:25:31,542 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2020-07-08 12:25:31,543 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 12:25:31,543 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:25:31,543 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 12:25:31,543 WARN L170 areAnnotationChecker]: assignEXIT has no Hoare annotation [2020-07-08 12:25:31,543 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-08 12:25:31,544 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-08 12:25:31,544 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2020-07-08 12:25:31,544 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:25:31,544 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:25:31,545 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 12:25:31,545 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 12:25:31,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 12:25:31 BoogieIcfgContainer [2020-07-08 12:25:31,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 12:25:31,568 INFO L168 Benchmark]: Toolchain (without parser) took 2941.66 ms. Allocated memory was 144.7 MB in the beginning and 234.4 MB in the end (delta: 89.7 MB). Free memory was 100.8 MB in the beginning and 95.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 94.7 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:31,570 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 12:25:31,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.89 ms. Allocated memory is still 144.7 MB. Free memory was 100.6 MB in the beginning and 90.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:31,573 INFO L168 Benchmark]: Boogie Preprocessor took 140.85 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 90.3 MB in the beginning and 179.9 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:31,575 INFO L168 Benchmark]: RCFGBuilder took 345.95 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 163.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:31,577 INFO L168 Benchmark]: TraceAbstraction took 2169.11 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 163.2 MB in the beginning and 95.7 MB in the end (delta: 67.5 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:31,592 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 0.59 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.89 ms. Allocated memory is still 144.7 MB. Free memory was 100.6 MB in the beginning and 90.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.85 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 90.3 MB in the beginning and 179.9 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 345.95 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 163.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2169.11 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 163.2 MB in the beginning and 95.7 MB in the end (delta: 67.5 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: 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 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: !(0 == global) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 15 SDslu, 13 SDs, 0 SdLazy, 55 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 58 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 1200 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 correct! Received shutdown request...