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_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:11:44,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:11:44,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:11:44,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:11:44,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:11:44,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:11:44,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:11:44,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:11:44,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:11:44,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:11:44,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:11:44,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:11:44,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:11:44,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:11:44,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:11:44,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:11:44,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:11:44,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:11:44,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:11:44,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:11:44,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:11:44,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:11:44,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:11:44,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:11:44,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:11:44,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:11:44,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:11:44,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:11:44,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:11:44,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:11:44,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:11:44,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:11:44,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:11:44,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:11:44,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:11:44,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:11:44,556 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 [2019-09-21 09:11:44,576 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:11:44,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:11:44,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:11:44,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:11:44,580 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:11:44,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:11:44,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:11:44,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:11:44,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:11:44,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:11:44,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:11:44,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:11:44,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:11:44,582 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:11:44,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:11:44,583 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:11:44,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:11:44,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:11:44,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:11:44,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:11:44,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:11:44,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:11:44,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:11:44,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:11:44,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:11:44,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:11:44,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:11:44,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:11:44,586 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_QUICK [2019-09-21 09:11:44,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:11:44,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:11:44,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:11:44,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:11:44,650 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:11:44,650 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-09-21 09:11:44,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a5d68d3/4c215d691ec44336a338063b11b0ddde/FLAG2c5d5fe55 [2019-09-21 09:11:45,175 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:11:45,178 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-09-21 09:11:45,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a5d68d3/4c215d691ec44336a338063b11b0ddde/FLAG2c5d5fe55 [2019-09-21 09:11:45,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a5d68d3/4c215d691ec44336a338063b11b0ddde [2019-09-21 09:11:45,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:11:45,561 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:11:45,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:11:45,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:11:45,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:11:45,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:11:45" (1/1) ... [2019-09-21 09:11:45,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ded93f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:45, skipping insertion in model container [2019-09-21 09:11:45,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:11:45" (1/1) ... [2019-09-21 09:11:45,578 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:11:45,597 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:11:45,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:11:45,809 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:11:45,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:11:45,838 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:11:45,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:45 WrapperNode [2019-09-21 09:11:45,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:11:45,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:11:45,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:11:45,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:11:45,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:45" (1/1) ... [2019-09-21 09:11:45,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:45" (1/1) ... [2019-09-21 09:11:45,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:45" (1/1) ... [2019-09-21 09:11:45,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:45" (1/1) ... [2019-09-21 09:11:45,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:45" (1/1) ... [2019-09-21 09:11:45,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:45" (1/1) ... [2019-09-21 09:11:45,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:45" (1/1) ... [2019-09-21 09:11:45,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:11:45,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:11:45,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:11:45,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:11:45,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:11:45" (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 [2019-09-21 09:11:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:11:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:11:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-21 09:11:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-21 09:11:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:11:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:11:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-21 09:11:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:11:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:11:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:11:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-21 09:11:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:11:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:11:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:11:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:11:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:11:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:11:46,381 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:11:46,381 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:11:46,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:11:46 BoogieIcfgContainer [2019-09-21 09:11:46,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:11:46,383 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:11:46,383 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:11:46,383 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:11:46,384 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:11:46" (1/1) ... [2019-09-21 09:11:46,385 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:11:46,406 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:11:46,406 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:11:46,421 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:11:46,429 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:11:46,430 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:11:46,573 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-21 09:11:47,492 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-09-21 09:11:48,261 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:11:48,261 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:11:48,263 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 28#(and (<= |main_~#p2~0.offset| 0) (<= |main_~#b~0.offset| 0) (<= 0 |main_~#p2~0.offset|) (<= |#NULL.base| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#p1~0.offset|) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= |main_~#p1~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-21 09:11:48,282 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:11:48,282 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:11:48,284 INFO L168 Benchmark]: Toolchain (without parser) took 2722.47 ms. Allocated memory was 131.1 MB in the beginning and 219.2 MB in the end (delta: 88.1 MB). Free memory was 85.6 MB in the beginning and 127.8 MB in the end (delta: -42.2 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:48,285 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:11:48,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.80 ms. Allocated memory is still 131.1 MB. Free memory was 85.4 MB in the beginning and 75.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:48,288 INFO L168 Benchmark]: Boogie Preprocessor took 128.12 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 75.4 MB in the beginning and 174.9 MB in the end (delta: -99.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:48,294 INFO L168 Benchmark]: RCFGBuilder took 414.49 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 154.4 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:48,299 INFO L168 Benchmark]: Sifa took 1899.11 ms. Allocated memory was 199.2 MB in the beginning and 219.2 MB in the end (delta: 19.9 MB). Free memory was 154.4 MB in the beginning and 127.8 MB in the end (delta: 26.6 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:11:48,305 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.80 ms. Allocated memory is still 131.1 MB. Free memory was 85.4 MB in the beginning and 75.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.12 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 75.4 MB in the beginning and 174.9 MB in the end (delta: -99.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 414.49 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 154.4 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Sifa took 1899.11 ms. Allocated memory was 199.2 MB in the beginning and 219.2 MB in the end (delta: 19.9 MB). Free memory was 154.4 MB in the beginning and 127.8 MB in the end (delta: 26.6 MB). Peak memory consumption was 46.5 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]: 1858, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 833, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 801, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 94, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 1704, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 771, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 46, 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: 2, DOMAIN_ISBOTTOM_TIME[ms]: 7, 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]: 342, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 341, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 31 - UnprovableResult [Line: 44]: 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 (<= |main_~#p2~0.offset| 0) (<= |main_~#b~0.offset| 0) (<= 0 |main_~#p2~0.offset|) (<= |#NULL.base| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#p1~0.offset|) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= |main_~#p1~0.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...