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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:19:43,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:19:43,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:19:43,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:19:43,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:19:43,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:19:43,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:19:43,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:19:43,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:19:43,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:19:43,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:19:43,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:19:43,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:19:43,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:19:43,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:19:43,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:19:43,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:19:43,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:19:43,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:19:43,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:19:43,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:19:43,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:19:43,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:19:43,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:19:43,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 23:19:43,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:19:43,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:19:43,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:19:43,530 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 23:19:43,552 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:19:43,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:19:43,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:19:43,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:19:43,554 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:19:43,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:19:43,555 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:19:43,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:19:43,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:19:43,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:19:43,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:19:43,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:19:43,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:19:43,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:19:43,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:19:43,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:19:43,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:19:43,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:19:43,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:19:43,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:19:43,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:19:43,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:19:43,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:19:43,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:19:43,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:19:43,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:19:43,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:19:43,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:19:43,560 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:19:43,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:19:43,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:19:43,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:19:43,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:19:43,619 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:19:43,621 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test09.c [2019-09-20 23:19:43,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04586bcad/9d0361a73157447cb9dcc97a5ecec422/FLAG67a24a8a6 [2019-09-20 23:19:44,154 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:19:44,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test09.c [2019-09-20 23:19:44,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04586bcad/9d0361a73157447cb9dcc97a5ecec422/FLAG67a24a8a6 [2019-09-20 23:19:44,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04586bcad/9d0361a73157447cb9dcc97a5ecec422 [2019-09-20 23:19:44,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:19:44,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:19:44,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:44,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:19:44,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:19:44,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:44" (1/1) ... [2019-09-20 23:19:44,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f458dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:44, skipping insertion in model container [2019-09-20 23:19:44,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:44" (1/1) ... [2019-09-20 23:19:44,579 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:19:44,600 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:19:44,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:44,842 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:19:44,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:44,870 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:19:44,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:44 WrapperNode [2019-09-20 23:19:44,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:44,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:19:44,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:19:44,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:19:44,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:44" (1/1) ... [2019-09-20 23:19:44,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:44" (1/1) ... [2019-09-20 23:19:44,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:44" (1/1) ... [2019-09-20 23:19:44,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:44" (1/1) ... [2019-09-20 23:19:44,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:44" (1/1) ... [2019-09-20 23:19:44,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:44" (1/1) ... [2019-09-20 23:19:44,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:44" (1/1) ... [2019-09-20 23:19:44,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:19:44,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:19:44,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:19:44,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:19:45,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:44" (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 23:19:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:19:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:19:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-20 23:19:45,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:19:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:19:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-20 23:19:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:19:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:19:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:19:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:19:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:19:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 23:19:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:19:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:19:45,467 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:19:45,467 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 23:19:45,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:45 BoogieIcfgContainer [2019-09-20 23:19:45,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:19:45,469 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:19:45,469 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:19:45,469 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:19:45,470 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:45" (1/1) ... [2019-09-20 23:19:45,470 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:19:45,500 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:19:45,501 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:19:45,508 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:19:45,517 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:19:45,518 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:19:45,777 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 23:19:45,971 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 23:19:46,127 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 56 for LOIs [2019-09-20 23:19:46,314 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-20 23:19:46,430 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:19:46,431 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:19:46,433 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19#(exists ((v_~p1~0.offset_23 Int) (v_~p1~0.base_23 Int)) (or (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (= 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| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= |~#b~0.base| ~p2~0.base) (= (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) (= 0 |~#a~0.offset|) (= 0 |~#b~0.offset|) (= (store (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)) ~p1~0.base (store (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| 0)) ~p1~0.base) ~p1~0.offset 1000)) |#memory_int|) (= 0 (select |#valid| 0)) (not (= 1000 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= |#NULL.offset| 0) (= ~p2~0.offset |~#b~0.offset|)) (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (= |#memory_int| (store (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| 1)) ~p1~0.base (store (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| 1)) ~p1~0.base) ~p1~0.offset 1000))) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (= 0 |~#b~0.offset|) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (= 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)) v_~p1~0.base_23) v_~p1~0.offset_23))) (= 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)) (not (= 1000 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (= ~p2~0.base ~p1~0.base) (= |#NULL.offset| 0)))) [2019-09-20 23:19:46,459 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:19:46,459 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:19:46,463 INFO L168 Benchmark]: Toolchain (without parser) took 1898.92 ms. Allocated memory was 137.9 MB in the beginning and 236.5 MB in the end (delta: 98.6 MB). Free memory was 94.4 MB in the beginning and 201.8 MB in the end (delta: -107.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 23:19:46,465 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 137.9 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:19:46,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.70 ms. Allocated memory is still 137.9 MB. Free memory was 94.2 MB in the beginning and 84.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:46,468 INFO L168 Benchmark]: Boogie Preprocessor took 126.96 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 84.3 MB in the beginning and 178.2 MB in the end (delta: -93.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:46,475 INFO L168 Benchmark]: RCFGBuilder took 469.58 ms. Allocated memory is still 201.9 MB. Free memory was 178.2 MB in the beginning and 160.5 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:46,478 INFO L168 Benchmark]: Sifa took 990.69 ms. Allocated memory was 201.9 MB in the beginning and 236.5 MB in the end (delta: 34.6 MB). Free memory was 160.5 MB in the beginning and 201.8 MB in the end (delta: -41.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 23:19:46,489 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 137.9 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 307.70 ms. Allocated memory is still 137.9 MB. Free memory was 94.2 MB in the beginning and 84.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.96 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 84.3 MB in the beginning and 178.2 MB in the end (delta: -93.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 469.58 ms. Allocated memory is still 201.9 MB. Free memory was 178.2 MB in the beginning and 160.5 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. * Sifa took 990.69 ms. Allocated memory was 201.9 MB in the beginning and 236.5 MB in the end (delta: 34.6 MB). Free memory was 160.5 MB in the beginning and 201.8 MB in the end (delta: -41.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 933, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 457, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 207, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 22, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 661, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 397, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 184, 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]: 586, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 585, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 37, DAG_COMPRESSION_RETAINED_NODES: 22 - UnprovableResult [Line: 37]: 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_~p1~0.offset_23 Int) (v_~p1~0.base_23 Int)) (or (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (= 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| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= |~#b~0.base| ~p2~0.base) (= (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) (= 0 |~#a~0.offset|) (= 0 |~#b~0.offset|) (= (store (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)) ~p1~0.base (store (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| 0)) ~p1~0.base) ~p1~0.offset 1000)) |#memory_int|) (= 0 (select |#valid| 0)) (not (= 1000 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= |#NULL.offset| 0) (= ~p2~0.offset |~#b~0.offset|)) (and (= 0 |#NULL.base|) (= 0 |old(~p2~0.base)|) (= |old(~p1~0.base)| 0) (= |#memory_int| (store (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| 1)) ~p1~0.base (store (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| 1)) ~p1~0.base) ~p1~0.offset 1000))) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= 0 |old(~p1~0.offset)|) (= (select |#valid| |~#b~0.base|) 1) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 0) (= 0 |~#b~0.offset|) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= ~p2~0.offset |~#b~0.offset|) (= 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)) v_~p1~0.base_23) v_~p1~0.offset_23))) (= 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)) (not (= 1000 (select (select |#memory_int| ~p2~0.base) ~p2~0.offset))) (= ~p2~0.base ~p1~0.base) (= |#NULL.offset| 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...