java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:45:21,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:45:21,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:45:21,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:45:21,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:45:21,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:45:21,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:45:21,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:45:21,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:45:21,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:45:21,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:45:21,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:45:21,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:45:21,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:45:21,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:45:21,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:45:21,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:45:21,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:45:21,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:45:21,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:45:21,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:45:21,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:45:21,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:45:21,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:45:21,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:45:21,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:45:21,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:45:21,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:45:21,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:45:21,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:45:21,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:45:21,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:45:21,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:45:21,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:45:21,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:45:21,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:45:21,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:45:21,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:45:21,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:45:21,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:45:21,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:45:21,974 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 [2019-09-20 15:45:21,988 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:45:21,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:45:21,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:45:21,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:45:21,990 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:45:21,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:45:21,991 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:45:21,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:45:21,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:45:21,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:45:21,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:45:21,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:45:21,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:45:21,992 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:45:21,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:45:21,992 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:45:21,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:45:21,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:45:21,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:45:21,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:45:21,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:45:21,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:45:21,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:45:21,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:45:21,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:45:21,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:45:21,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:45:21,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:45:21,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:45:22,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:45:22,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:45:22,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:45:22,044 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:45:22,044 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:45:22,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test07.c [2019-09-20 15:45:22,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06660bc6c/edcaa7bb9dba4bd189478e04381def1f/FLAG4c268897e [2019-09-20 15:45:22,550 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:45:22,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test07.c [2019-09-20 15:45:22,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06660bc6c/edcaa7bb9dba4bd189478e04381def1f/FLAG4c268897e [2019-09-20 15:45:22,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06660bc6c/edcaa7bb9dba4bd189478e04381def1f [2019-09-20 15:45:22,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:45:22,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:45:22,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:45:22,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:45:22,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:45:22,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:45:22" (1/1) ... [2019-09-20 15:45:22,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69105603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:22, skipping insertion in model container [2019-09-20 15:45:22,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:45:22" (1/1) ... [2019-09-20 15:45:22,617 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:45:22,639 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:45:22,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:45:22,875 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:45:22,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:45:22,904 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:45:22,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:22 WrapperNode [2019-09-20 15:45:22,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:45:22,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:45:22,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:45:22,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:45:23,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:22" (1/1) ... [2019-09-20 15:45:23,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:22" (1/1) ... [2019-09-20 15:45:23,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:22" (1/1) ... [2019-09-20 15:45:23,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:22" (1/1) ... [2019-09-20 15:45:23,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:22" (1/1) ... [2019-09-20 15:45:23,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:22" (1/1) ... [2019-09-20 15:45:23,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:22" (1/1) ... [2019-09-20 15:45:23,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:45:23,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:45:23,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:45:23,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:45:23,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:22" (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 [2019-09-20 15:45:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:45:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:45:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-20 15:45:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:45:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:45:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-20 15:45:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:45:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:45:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:45:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:45:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:45:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:45:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:45:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:45:23,366 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:45:23,366 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 15:45:23,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:45:23 BoogieIcfgContainer [2019-09-20 15:45:23,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:45:23,369 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:45:23,369 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:45:23,369 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:45:23,370 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:45:23" (1/1) ... [2019-09-20 15:45:23,371 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:45:23,429 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:45:23,429 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:45:23,439 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:45:23,450 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:45:23,455 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:45:23,832 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 60 for LOIs [2019-09-20 15:45:24,018 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:45:24,019 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:45:24,023 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19#(exists ((v_prenex_4 Int) (v_prenex_3 Int)) (or (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) v_prenex_4) v_prenex_3) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) (- 4)))) |#memory_int|) (= (select |#valid| |~#b~0.base|) 1) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (not (= |~#b~0.base| 0)) (= 0 |~#b~0.offset|) (not (= 0 |~#a~0.base|)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (<= 0 (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) v_prenex_4) v_prenex_3) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) 2147483644)) (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (<= (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) v_prenex_4) v_prenex_3) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset)) 2147483651) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= ~p2~0.offset ~p1~0.offset) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (= (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) v_prenex_4) v_prenex_3) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset)) 5) (= ~p2~0.base ~p1~0.base) (= |#NULL.offset| 0)) (and (not (= ~p2~0.offset ~p1~0.offset)) (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (not (= 5 (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p1~0.base) ~p1~0.offset)))) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (not (= |~#b~0.base| 0)) (= 0 |~#b~0.offset|) (not (= 0 |~#a~0.base|)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (= (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 0)) |#memory_int|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0)) (and (not (= ~p2~0.base ~p1~0.base)) (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (not (= 5 (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p1~0.base) ~p1~0.offset)))) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (not (= |~#b~0.base| 0)) (= 0 |~#b~0.offset|) (not (= 0 |~#a~0.base|)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (= (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 0)) |#memory_int|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (not (= 5 (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p1~0.base) ~p1~0.offset)))) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (not (= |~#b~0.base| 0)) (= 0 |~#b~0.offset|) (not (= 0 |~#a~0.base|)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (= (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 0)) |#memory_int|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0)))) [2019-09-20 15:45:24,044 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:45:24,045 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:45:24,047 INFO L168 Benchmark]: Toolchain (without parser) took 1448.38 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 85.9 MB in the beginning and 131.5 MB in the end (delta: -45.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:24,048 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:45:24,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.05 ms. Allocated memory is still 139.5 MB. Free memory was 85.4 MB in the beginning and 75.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:24,050 INFO L168 Benchmark]: Boogie Preprocessor took 132.98 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 75.7 MB in the beginning and 178.2 MB in the end (delta: -102.5 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:24,051 INFO L168 Benchmark]: RCFGBuilder took 329.20 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 161.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:24,052 INFO L168 Benchmark]: Sifa took 676.28 ms. Allocated memory is still 201.3 MB. Free memory was 161.1 MB in the beginning and 131.5 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:24,055 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 304.05 ms. Allocated memory is still 139.5 MB. Free memory was 85.4 MB in the beginning and 75.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.98 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 75.7 MB in the beginning and 178.2 MB in the end (delta: -102.5 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.20 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 161.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Sifa took 676.28 ms. Allocated memory is still 201.3 MB. Free memory was 161.1 MB in the beginning and 131.5 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 595, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 308, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 122, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 25, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 428, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 238, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 45, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 302, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 301, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 37, DAG_COMPRESSION_RETAINED_NODES: 22 - UnprovableResult [Line: 35]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 19#(exists ((v_prenex_4 Int) (v_prenex_3 Int)) (or (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) v_prenex_4) v_prenex_3) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) (- 4)))) |#memory_int|) (= (select |#valid| |~#b~0.base|) 1) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (not (= |~#b~0.base| 0)) (= 0 |~#b~0.offset|) (not (= 0 |~#a~0.base|)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (<= 0 (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) v_prenex_4) v_prenex_3) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) 2147483644)) (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (<= (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) v_prenex_4) v_prenex_3) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset)) 2147483651) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= ~p2~0.offset ~p1~0.offset) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (= (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) v_prenex_4) v_prenex_3) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset)) 5) (= ~p2~0.base ~p1~0.base) (= |#NULL.offset| 0)) (and (not (= ~p2~0.offset ~p1~0.offset)) (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (not (= 5 (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p1~0.base) ~p1~0.offset)))) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (not (= |~#b~0.base| 0)) (= 0 |~#b~0.offset|) (not (= 0 |~#a~0.base|)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (= (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 0)) |#memory_int|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0)) (and (not (= ~p2~0.base ~p1~0.base)) (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (not (= 5 (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p1~0.base) ~p1~0.offset)))) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (not (= |~#b~0.base| 0)) (= 0 |~#b~0.offset|) (not (= 0 |~#a~0.base|)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (= (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 0)) |#memory_int|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0)) (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (not (= 5 (+ (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p2~0.base) ~p2~0.offset) (select (select (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 4)) ~p1~0.base) ~p1~0.offset)))) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (not (= |~#b~0.base| 0)) (= 0 |~#b~0.offset|) (not (= 0 |~#a~0.base|)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (= 0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (= (store (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base| (store (select (store |old(#memory_int)| |~#b~0.base| (store (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset| 1)) |~#a~0.base|) |~#a~0.offset| 0)) |#memory_int|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= |old(~p2~0.offset)| 0) (= |~#b~0.base| ~p2~0.base) (= 0 |~#a~0.offset|) (= 0 (select |#valid| 0)) (= |#NULL.offset| 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...