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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:51:00,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:51:00,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:51:00,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:51:00,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:51:00,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:51:00,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:51:00,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:51:00,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:51:00,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:51:00,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:51:00,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:51:00,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:51:00,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:51:00,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:51:00,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:51:00,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:51:00,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:51:00,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:51:00,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:51:00,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:51:00,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:51:00,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:51:00,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:51:00,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 09:51:00,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 09:51:00,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 09:51:00,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 09:51:00,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 09:51:00,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 09:51:00,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 09:51:00,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 09:51:00,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 09:51:00,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 09:51:00,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 09:51:00,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 09:51:00,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 09:51:00,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 09:51:00,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:51:00,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:51:00,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:51:00,197 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 [2019-09-17 09:51:00,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:51:00,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:51:00,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:51:00,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:51:00,222 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:51:00,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:51:00,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:51:00,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:51:00,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:51:00,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:51:00,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:51:00,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:51:00,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:51:00,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:51:00,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:51:00,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:51:00,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:51:00,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:51:00,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:51:00,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:51:00,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:51:00,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:51:00,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:51:00,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:51:00,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:51:00,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:51:00,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:51:00,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:51:00,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 09:51:00,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:51:00,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:51:00,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:51:00,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:51:00,285 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:51:00,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test18.c [2019-09-17 09:51:00,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68428be1/a5829acc302f4cc5a92e973f17936446/FLAGae52632ec [2019-09-17 09:51:00,753 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:51:00,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test18.c [2019-09-17 09:51:00,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68428be1/a5829acc302f4cc5a92e973f17936446/FLAGae52632ec [2019-09-17 09:51:01,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68428be1/a5829acc302f4cc5a92e973f17936446 [2019-09-17 09:51:01,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:51:01,183 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:51:01,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:51:01,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:51:01,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:51:01,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:51:01" (1/1) ... [2019-09-17 09:51:01,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8c44ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:51:01, skipping insertion in model container [2019-09-17 09:51:01,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:51:01" (1/1) ... [2019-09-17 09:51:01,199 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:51:01,214 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:51:01,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:51:01,376 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:51:01,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:51:01,409 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:51:01,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:51:01 WrapperNode [2019-09-17 09:51:01,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:51:01,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:51:01,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:51:01,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:51:01,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:51:01" (1/1) ... [2019-09-17 09:51:01,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:51:01" (1/1) ... [2019-09-17 09:51:01,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:51:01" (1/1) ... [2019-09-17 09:51:01,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:51:01" (1/1) ... [2019-09-17 09:51:01,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:51:01" (1/1) ... [2019-09-17 09:51:01,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:51:01" (1/1) ... [2019-09-17 09:51:01,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:51:01" (1/1) ... [2019-09-17 09:51:01,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:51:01,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:51:01,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:51:01,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:51:01,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:51:01" (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 [2019-09-17 09:51:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:51:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:51:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-17 09:51:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-17 09:51:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:51:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:51:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-17 09:51:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 09:51:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 09:51:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-17 09:51:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 09:51:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 09:51:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 09:51:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:51:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 09:51:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:51:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:51:01,860 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:51:01,860 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 09:51:01,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:51:01 BoogieIcfgContainer [2019-09-17 09:51:01,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:51:01,862 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:51:01,862 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:51:01,863 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:51:01,864 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:51:01" (1/1) ... [2019-09-17 09:51:01,864 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-17 09:51:01,897 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:51:01,898 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:51:01,906 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:51:01,917 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:51:01,919 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:51:02,101 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-17 09:51:02,539 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 09:51:03,455 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-17 09:51:03,596 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:51:03,596 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:51:03,598 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 21#(and (<= |main_~#b~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-17 09:51:03,616 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:51:03,617 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:51:03,618 INFO L168 Benchmark]: Toolchain (without parser) took 2435.17 ms. Allocated memory was 135.3 MB in the beginning and 223.3 MB in the end (delta: 88.1 MB). Free memory was 87.9 MB in the beginning and 121.1 MB in the end (delta: -33.2 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. [2019-09-17 09:51:03,620 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 135.3 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:51:03,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.13 ms. Allocated memory is still 135.3 MB. Free memory was 87.7 MB in the beginning and 78.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-17 09:51:03,627 INFO L168 Benchmark]: Boogie Preprocessor took 119.63 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 78.0 MB in the beginning and 176.1 MB in the end (delta: -98.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-09-17 09:51:03,628 INFO L168 Benchmark]: RCFGBuilder took 332.09 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 158.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-09-17 09:51:03,629 INFO L168 Benchmark]: Sifa took 1754.62 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 158.4 MB in the beginning and 121.1 MB in the end (delta: 37.3 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. [2019-09-17 09:51:03,637 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 135.3 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.13 ms. Allocated memory is still 135.3 MB. Free memory was 87.7 MB in the beginning and 78.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.63 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 78.0 MB in the beginning and 176.1 MB in the end (delta: -98.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 332.09 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 158.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * Sifa took 1754.62 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 158.4 MB in the beginning and 121.1 MB in the end (delta: 37.3 MB). Peak memory consumption was 61.4 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]: 1701, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 12, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 1173, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 312, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 93, TOOLS_QUANTIFIERELIM_APPLICATIONS: 15, TOOLS_QUANTIFIERELIM_TIME[ms]: 1551, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 568, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 12, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 47, 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]: 1308, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1308, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 40, DAG_COMPRESSION_RETAINED_NODES: 26 - 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 21#(and (<= |main_~#b~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...