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/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:04:44,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:04:44,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:04:44,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:04:44,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:04:44,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:04:44,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:04:44,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:04:44,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:04:44,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:04:44,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:04:44,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:04:44,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:04:44,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:04:44,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:04:44,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:04:44,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:04:44,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:04:44,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:04:44,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:04:44,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:04:44,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:04:44,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:04:44,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:04:44,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-18 03:04:44,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:04:44,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:04:44,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:04:44,270 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 03:04:44,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:04:44,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:04:44,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:04:44,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:04:44,292 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:04:44,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:04:44,292 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:04:44,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:04:44,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:04:44,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:04:44,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:04:44,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:04:44,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:04:44,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:04:44,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:04:44,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:04:44,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:04:44,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:04:44,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:04:44,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:04:44,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:04:44,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:04:44,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:04:44,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:04:44,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:04:44,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:04:44,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:04:44,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:04:44,298 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 03:04:44,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:04:44,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:04:44,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:04:44,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:04:44,381 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:04:44,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2019-09-18 03:04:44,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5efb589e/1645e9b4b74e490b929177d11d146dfc/FLAG12f5de08e [2019-09-18 03:04:44,873 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:04:44,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2019-09-18 03:04:44,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5efb589e/1645e9b4b74e490b929177d11d146dfc/FLAG12f5de08e [2019-09-18 03:04:45,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5efb589e/1645e9b4b74e490b929177d11d146dfc [2019-09-18 03:04:45,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:04:45,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:04:45,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:04:45,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:04:45,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:04:45,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:04:45" (1/1) ... [2019-09-18 03:04:45,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770e497b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:45, skipping insertion in model container [2019-09-18 03:04:45,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:04:45" (1/1) ... [2019-09-18 03:04:45,280 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:04:45,293 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:04:45,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:04:45,456 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:04:45,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:04:45,487 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:04:45,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:45 WrapperNode [2019-09-18 03:04:45,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:04:45,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:04:45,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:04:45,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:04:45,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:45" (1/1) ... [2019-09-18 03:04:45,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:45" (1/1) ... [2019-09-18 03:04:45,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:45" (1/1) ... [2019-09-18 03:04:45,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:45" (1/1) ... [2019-09-18 03:04:45,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:45" (1/1) ... [2019-09-18 03:04:45,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:45" (1/1) ... [2019-09-18 03:04:45,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:45" (1/1) ... [2019-09-18 03:04:45,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:04:45,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:04:45,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:04:45,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:04:45,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:04:45" (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 03:04:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:04:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:04:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-18 03:04:45,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-09-18 03:04:45,675 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-18 03:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:04:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-09-18 03:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:04:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 03:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 03:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:04:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:04:45,940 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:04:45,940 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-18 03:04:45,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:04:45 BoogieIcfgContainer [2019-09-18 03:04:45,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:04:45,942 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:04:45,942 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:04:45,942 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:04:45,943 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:04:45" (1/1) ... [2019-09-18 03:04:45,944 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 03:04:45,966 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:04:45,966 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:04:45,975 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:04:45,994 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:04:45,995 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:04:46,324 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 03:04:46,549 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-18 03:04:46,709 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 64 for LOIs [2019-09-18 03:04:47,192 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:04:47,193 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:04:47,195 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 28#(and (= |~#global~0.offset| 0) (< |~#global~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (= 1 (select |#valid| |~#global~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.base|) (not (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.base|) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= 0 |~#a~0.offset|) (= 0 |~#b~0.offset|) (= (select |#length| |~#global~0.base|) 8) (= |~#global~0.base| main_~pd~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 1) (= |#NULL.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|) (= |~#global~0.offset| main_~pd~0.offset)) [2019-09-18 03:04:47,211 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:04:47,212 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:04:47,214 INFO L168 Benchmark]: Toolchain (without parser) took 1951.41 ms. Allocated memory was 132.1 MB in the beginning and 219.7 MB in the end (delta: 87.6 MB). Free memory was 87.6 MB in the beginning and 159.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-18 03:04:47,215 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:04:47,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.12 ms. Allocated memory was 132.1 MB in the beginning and 196.6 MB in the end (delta: 64.5 MB). Free memory was 87.4 MB in the beginning and 176.2 MB in the end (delta: -88.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:04:47,217 INFO L168 Benchmark]: Boogie Preprocessor took 40.11 ms. Allocated memory is still 196.6 MB. Free memory was 176.2 MB in the beginning and 172.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-18 03:04:47,218 INFO L168 Benchmark]: RCFGBuilder took 331.58 ms. Allocated memory is still 196.6 MB. Free memory was 171.8 MB in the beginning and 156.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-18 03:04:47,219 INFO L168 Benchmark]: Sifa took 1269.79 ms. Allocated memory was 196.6 MB in the beginning and 219.7 MB in the end (delta: 23.1 MB). Free memory was 156.0 MB in the beginning and 159.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-09-18 03:04:47,223 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 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 304.12 ms. Allocated memory was 132.1 MB in the beginning and 196.6 MB in the end (delta: 64.5 MB). Free memory was 87.4 MB in the beginning and 176.2 MB in the end (delta: -88.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.11 ms. Allocated memory is still 196.6 MB. Free memory was 176.2 MB in the beginning and 172.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 331.58 ms. Allocated memory is still 196.6 MB. Free memory was 171.8 MB in the beginning and 156.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Sifa took 1269.79 ms. Allocated memory was 196.6 MB in the beginning and 219.7 MB in the end (delta: 23.1 MB). Free memory was 156.0 MB in the beginning and 159.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 19.8 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]: 1229, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 15, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 610, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 43, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 137, TOOLS_QUANTIFIERELIM_APPLICATIONS: 18, TOOLS_QUANTIFIERELIM_TIME[ms]: 767, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 491, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 15, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 356, 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: 3, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 942, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 941, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 46, DAG_COMPRESSION_RETAINED_NODES: 29 - UnprovableResult [Line: 31]: 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 28#(and (= |~#global~0.offset| 0) (< |~#global~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (= 1 (select |#valid| |~#global~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.base|) (not (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.base|) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= 0 |~#a~0.offset|) (= 0 |~#b~0.offset|) (= (select |#length| |~#global~0.base|) 8) (= |~#global~0.base| main_~pd~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 1) (= |#NULL.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|) (= |~#global~0.offset| main_~pd~0.offset)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...