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/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:06:03,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:06:03,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:06:03,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:06:03,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:06:03,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:06:03,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:06:03,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:06:03,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:06:03,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:06:03,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:06:03,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:06:03,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:06:03,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:06:03,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:06:03,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:06:03,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:06:03,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:06:03,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:06:03,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:06:03,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:06:03,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:06:03,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:06:03,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:06:03,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-19 22:06:03,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:06:03,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:06:03,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:06:03,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:06:03,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:06:03,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:06:03,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:06:03,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:06:03,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:06:03,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:06:03,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:06:03,150 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 [2019-09-19 22:06:03,165 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:06:03,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:06:03,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:06:03,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:06:03,167 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:06:03,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:06:03,167 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:06:03,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:06:03,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:06:03,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:06:03,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:06:03,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:06:03,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:06:03,169 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:06:03,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:06:03,169 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:06:03,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:06:03,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:06:03,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:06:03,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:06:03,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:06:03,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:06:03,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:06:03,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:06:03,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:06:03,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:06:03,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:06:03,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:06:03,172 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 [2019-09-19 22:06:03,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:06:03,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:06:03,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:06:03,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:06:03,221 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:06:03,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2019-09-19 22:06:03,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9b31706/8b35118d61a94b19a65f5a58608f9d69/FLAGe260eedaa [2019-09-19 22:06:03,767 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:06:03,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2019-09-19 22:06:03,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9b31706/8b35118d61a94b19a65f5a58608f9d69/FLAGe260eedaa [2019-09-19 22:06:04,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa9b31706/8b35118d61a94b19a65f5a58608f9d69 [2019-09-19 22:06:04,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:06:04,169 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:06:04,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:06:04,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:06:04,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:06:04,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:06:04" (1/1) ... [2019-09-19 22:06:04,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ed1223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:04, skipping insertion in model container [2019-09-19 22:06:04,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:06:04" (1/1) ... [2019-09-19 22:06:04,187 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:06:04,208 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:06:04,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:06:04,423 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:06:04,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:06:04,540 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:06:04,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:04 WrapperNode [2019-09-19 22:06:04,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:06:04,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:06:04,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:06:04,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:06:04,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:04" (1/1) ... [2019-09-19 22:06:04,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:04" (1/1) ... [2019-09-19 22:06:04,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:04" (1/1) ... [2019-09-19 22:06:04,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:04" (1/1) ... [2019-09-19 22:06:04,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:04" (1/1) ... [2019-09-19 22:06:04,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:04" (1/1) ... [2019-09-19 22:06:04,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:04" (1/1) ... [2019-09-19 22:06:04,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:06:04,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:06:04,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:06:04,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:06:04,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:06:04" (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 [2019-09-19 22:06:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:06:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:06:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-19 22:06:04,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-09-19 22:06:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:06:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:06:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-19 22:06:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:06:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:06:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-09-19 22:06:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:06:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:06:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:06:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:06:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:06:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-19 22:06:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:06:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:06:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:06:04,934 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:06:04,935 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 22:06:04,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:06:04 BoogieIcfgContainer [2019-09-19 22:06:04,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:06:04,936 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:06:04,937 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:06:04,937 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:06:04,938 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:06:04" (1/1) ... [2019-09-19 22:06:04,939 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 [2019-09-19 22:06:04,965 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:06:04,965 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:06:04,976 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:06:04,996 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:06:05,002 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:06:05,289 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-19 22:06:05,513 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-19 22:06:05,692 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 64 for LOIs [2019-09-19 22:06:06,169 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:06:06,170 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:06:06,174 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 25#(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)) [2019-09-19 22:06:06,194 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:06:06,194 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:06:06,198 INFO L168 Benchmark]: Toolchain (without parser) took 2026.59 ms. Allocated memory was 140.0 MB in the beginning and 224.4 MB in the end (delta: 84.4 MB). Free memory was 86.4 MB in the beginning and 158.6 MB in the end (delta: -72.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-19 22:06:06,199 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 22:06:06,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.89 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.2 MB in the beginning and 177.2 MB in the end (delta: -91.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:06:06,207 INFO L168 Benchmark]: Boogie Preprocessor took 46.36 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 174.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:06:06,209 INFO L168 Benchmark]: RCFGBuilder took 347.48 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 156.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2019-09-19 22:06:06,209 INFO L168 Benchmark]: Sifa took 1257.87 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 156.7 MB in the beginning and 158.6 MB in the end (delta: -1.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:06:06,224 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 140.0 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 370.89 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.2 MB in the beginning and 177.2 MB in the end (delta: -91.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.36 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 174.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 347.48 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 156.7 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * Sifa took 1257.87 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 156.7 MB in the beginning and 158.6 MB in the end (delta: -1.8 MB). Peak memory consumption was 23.3 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]: 1209, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 12, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 576, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 40, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 137, TOOLS_QUANTIFIERELIM_APPLICATIONS: 15, TOOLS_QUANTIFIERELIM_TIME[ms]: 726, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 452, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 12, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 366, 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]: 919, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 919, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 43, DAG_COMPRESSION_RETAINED_NODES: 26 - 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 25#(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...