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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:04:17,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:04:17,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:04:17,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:04:17,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:04:17,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:04:17,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:04:17,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:04:17,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:04:17,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:04:17,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:04:17,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:04:17,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:04:17,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:04:17,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:04:17,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:04:17,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:04:17,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:04:17,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:04:17,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:04:17,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:04:17,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:04:17,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:04:17,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:04:17,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-18 03:04:17,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:04:17,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:04:17,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:04:17,513 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 [2019-09-18 03:04:17,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:04:17,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:04:17,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:04:17,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:04:17,545 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:04:17,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:04:17,546 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:04:17,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:04:17,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:04:17,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:04:17,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:04:17,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:04:17,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:04:17,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:04:17,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:04:17,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:04:17,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:04:17,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:04:17,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:04:17,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:04:17,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:04:17,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:04:17,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:04:17,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:04:17,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:04:17,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:04:17,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:04:17,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:04:17,552 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 -> SequenceOfStatements 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_DDA [2019-09-18 03:04:17,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:04:17,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:04:17,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:04:17,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:04:17,616 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:04:17,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2019-09-18 03:04:17,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a550e518/d553a85ff69c466198a163159ce5f782/FLAG2c62806ae [2019-09-18 03:04:18,083 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:04:18,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2019-09-18 03:04:18,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a550e518/d553a85ff69c466198a163159ce5f782/FLAG2c62806ae [2019-09-18 03:04:18,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a550e518/d553a85ff69c466198a163159ce5f782 [2019-09-18 03:04:18,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:04:18,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:04:18,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:04:18,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:04:18,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:04:18,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:04:18" (1/1) ... [2019-09-18 03:04:18,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af94341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:18, skipping insertion in model container [2019-09-18 03:04:18,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:04:18" (1/1) ... [2019-09-18 03:04:18,488 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:04:18,505 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:04:18,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:04:18,739 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:04:18,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:04:18,780 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:04:18,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:18 WrapperNode [2019-09-18 03:04:18,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:04:18,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:04:18,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:04:18,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:04:18,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:18" (1/1) ... [2019-09-18 03:04:18,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:18" (1/1) ... [2019-09-18 03:04:18,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:18" (1/1) ... [2019-09-18 03:04:18,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:18" (1/1) ... [2019-09-18 03:04:18,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:18" (1/1) ... [2019-09-18 03:04:18,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:18" (1/1) ... [2019-09-18 03:04:18,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:18" (1/1) ... [2019-09-18 03:04:18,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:04:18,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:04:18,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:04:18,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:04:18,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:18" (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 [2019-09-18 03:04:18,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:04:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:04:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-18 03:04:18,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:04:18,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:04:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 03:04:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-18 03:04:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:04:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:04:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:04:18,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:04:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:04:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 03:04:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 03:04:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:04:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:04:18,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:04:18,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:04:19,199 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:04:19,200 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-18 03:04:19,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:04:19 BoogieIcfgContainer [2019-09-18 03:04:19,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:04:19,209 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:04:19,209 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:04:19,210 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:04:19,213 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:04:19" (1/1) ... [2019-09-18 03:04:19,214 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 03:04:19,261 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:04:19,261 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:04:19,270 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:04:19,278 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:04:19,279 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:04:19,446 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 03:04:19,751 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 03:04:19,979 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-09-18 03:04:20,321 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-18 03:04:20,694 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-18 03:04:20,850 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 03:04:20,986 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 03:04:20,987 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:04:20,987 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:04:20,990 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 34#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |main_~#pb~1.offset|) (= |#length| (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#pa~1.base| 4) |main_~#pb~1.base| 4)) (= 0 |#NULL.base|) (< |main_~#pa~1.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base|) 0) (not (= 0 |main_~#pa~1.base|)) (<= (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483647) (= |main_~#b~0.offset| 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base|) 0) (< |main_~#pb~1.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (not (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) (= (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base| 1) |#valid|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.base|) (<= 0 (+ (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483648)) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483648)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (<= (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483647) (not (= |main_~#pb~1.base| 0)) (= |#NULL.offset| 0) (= |main_~#b~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= 0 |main_~#pa~1.offset|)) [2019-09-18 03:04:21,005 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:04:21,006 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:04:21,008 INFO L168 Benchmark]: Toolchain (without parser) took 2542.00 ms. Allocated memory was 138.9 MB in the beginning and 222.3 MB in the end (delta: 83.4 MB). Free memory was 85.3 MB in the beginning and 105.8 MB in the end (delta: -20.6 MB). Peak memory consumption was 62.8 MB. Max. memory is 7.1 GB. [2019-09-18 03:04:21,008 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory is still 103.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 03:04:21,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.02 ms. Allocated memory is still 138.9 MB. Free memory was 85.3 MB in the beginning and 75.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-18 03:04:21,011 INFO L168 Benchmark]: Boogie Preprocessor took 130.62 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 75.5 MB in the beginning and 176.6 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-18 03:04:21,012 INFO L168 Benchmark]: RCFGBuilder took 289.17 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 161.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-09-18 03:04:21,012 INFO L168 Benchmark]: Sifa took 1796.65 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 160.7 MB in the beginning and 105.8 MB in the end (delta: 54.9 MB). Peak memory consumption was 77.4 MB. Max. memory is 7.1 GB. [2019-09-18 03:04:21,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory is still 103.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 314.02 ms. Allocated memory is still 138.9 MB. Free memory was 85.3 MB in the beginning and 75.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.62 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 75.5 MB in the beginning and 176.6 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 289.17 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 161.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Sifa took 1796.65 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 160.7 MB in the beginning and 105.8 MB in the end (delta: 54.9 MB). Peak memory consumption was 77.4 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]: 1729, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 11, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 452, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 887, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 1328, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 861, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 11, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 308, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 11, 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]: 493, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 492, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 36, DAG_COMPRESSION_RETAINED_NODES: 24 - UnprovableResult [Line: 22]: 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 34#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |main_~#pb~1.offset|) (= |#length| (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#pa~1.base| 4) |main_~#pb~1.base| 4)) (= 0 |#NULL.base|) (< |main_~#pa~1.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base|) 0) (not (= 0 |main_~#pa~1.base|)) (<= (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483647) (= |main_~#b~0.offset| 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base|) 0) (< |main_~#pb~1.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (not (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) (= (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base| 1) |#valid|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.base|) (<= 0 (+ (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483648)) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483648)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (<= (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483647) (not (= |main_~#pb~1.base| 0)) (= |#NULL.offset| 0) (= |main_~#b~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= 0 |main_~#pa~1.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...