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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 08:49:19,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 08:49:19,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 08:49:19,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 08:49:19,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 08:49:19,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 08:49:19,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 08:49:19,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 08:49:19,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 08:49:19,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 08:49:19,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 08:49:19,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 08:49:19,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 08:49:19,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 08:49:19,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 08:49:19,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 08:49:19,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 08:49:19,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 08:49:19,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 08:49:19,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 08:49:19,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 08:49:19,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 08:49:19,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 08:49:19,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 08:49:19,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 08:49:19,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 08:49:19,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 08:49:19,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 08:49:19,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 08:49:19,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 08:49:19,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 08:49:19,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 08:49:19,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 08:49:19,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 08:49:19,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 08:49:19,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 08:49:19,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 08:49:19,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 08:49:19,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 08:49:19,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 08:49:19,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 08:49:19,544 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 [2019-10-04 08:49:19,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 08:49:19,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 08:49:19,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 08:49:19,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 08:49:19,570 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 08:49:19,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 08:49:19,572 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 08:49:19,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 08:49:19,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 08:49:19,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 08:49:19,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 08:49:19,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 08:49:19,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 08:49:19,573 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 08:49:19,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 08:49:19,574 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 08:49:19,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 08:49:19,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 08:49:19,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 08:49:19,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 08:49:19,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 08:49:19,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 08:49:19,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 08:49:19,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 08:49:19,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 08:49:19,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 08:49:19,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 08:49:19,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 08:49:19,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 08:49:19,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 08:49:19,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 08:49:19,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 08:49:19,634 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 08:49:19,634 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 08:49:19,635 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test03.c [2019-10-04 08:49:19,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2bb3562/85ee97de997d49a59a5d308b2f22ce1c/FLAG3c54b6bd3 [2019-10-04 08:49:20,159 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 08:49:20,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test03.c [2019-10-04 08:49:20,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2bb3562/85ee97de997d49a59a5d308b2f22ce1c/FLAG3c54b6bd3 [2019-10-04 08:49:20,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e2bb3562/85ee97de997d49a59a5d308b2f22ce1c [2019-10-04 08:49:20,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 08:49:20,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 08:49:20,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 08:49:20,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 08:49:20,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 08:49:20,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 08:49:20" (1/1) ... [2019-10-04 08:49:20,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17644812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:49:20, skipping insertion in model container [2019-10-04 08:49:20,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 08:49:20" (1/1) ... [2019-10-04 08:49:20,589 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 08:49:20,607 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 08:49:20,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 08:49:20,815 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 08:49:20,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 08:49:20,856 INFO L192 MainTranslator]: Completed translation [2019-10-04 08:49:20,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:49:20 WrapperNode [2019-10-04 08:49:20,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 08:49:20,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 08:49:20,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 08:49:20,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 08:49:20,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:49:20" (1/1) ... [2019-10-04 08:49:20,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:49:20" (1/1) ... [2019-10-04 08:49:20,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:49:20" (1/1) ... [2019-10-04 08:49:20,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:49:20" (1/1) ... [2019-10-04 08:49:20,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:49:20" (1/1) ... [2019-10-04 08:49:20,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:49:20" (1/1) ... [2019-10-04 08:49:20,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:49:20" (1/1) ... [2019-10-04 08:49:20,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 08:49:20,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 08:49:20,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 08:49:20,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 08:49:20,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 08:49:20" (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 [2019-10-04 08:49:21,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 08:49:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 08:49:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-04 08:49:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 08:49:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 08:49:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-04 08:49:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 08:49:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 08:49:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 08:49:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 08:49:21,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 08:49:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 08:49:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 08:49:21,279 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 08:49:21,280 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 08:49:21,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 08:49:21 BoogieIcfgContainer [2019-10-04 08:49:21,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 08:49:21,282 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 08:49:21,283 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 08:49:21,283 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 08:49:21,284 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 08:49:21" (1/1) ... [2019-10-04 08:49:21,285 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 08:49:21,312 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 08:49:21,312 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 08:49:21,319 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 08:49:21,327 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 08:49:21,329 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 08:49:21,555 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-10-04 08:49:21,873 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 08:49:21,874 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 08:49:21,876 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 28#(and (= |#NULL.base| 0) (<= main_~p1~0.offset 0) (<= |main_~#b~0.offset| 0) (<= |#NULL.base| 0) (<= 0 main_~p1~0.offset) (<= 0 |old(~q~0)|) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= ~q~0 0) (<= |old(~q~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~p2~0.offset 0) (<= 0 |main_~#b~0.offset|) (= |old(~q~0)| 0) (= |main_~#b~0.offset| 0) (= ~q~0 0) (= |#NULL.offset| 0) (<= 0 main_~p2~0.offset) (= |main_~#a~0.offset| 0) (<= 0 ~q~0)) [2019-10-04 08:49:21,905 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 08:49:21,905 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 08:49:21,909 INFO L168 Benchmark]: Toolchain (without parser) took 1333.80 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.8 MB in the beginning and 135.8 MB in the end (delta: -46.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-10-04 08:49:21,910 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 08:49:21,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.40 ms. Allocated memory is still 133.7 MB. Free memory was 89.4 MB in the beginning and 79.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-04 08:49:21,912 INFO L168 Benchmark]: Boogie Preprocessor took 129.59 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.9 MB in the beginning and 177.1 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-10-04 08:49:21,913 INFO L168 Benchmark]: RCFGBuilder took 294.46 ms. Allocated memory is still 200.3 MB. Free memory was 176.5 MB in the beginning and 161.9 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-10-04 08:49:21,914 INFO L168 Benchmark]: Sifa took 623.06 ms. Allocated memory is still 200.3 MB. Free memory was 161.9 MB in the beginning and 135.8 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-10-04 08:49:21,917 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 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 283.40 ms. Allocated memory is still 133.7 MB. Free memory was 89.4 MB in the beginning and 79.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.59 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.9 MB in the beginning and 177.1 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.46 ms. Allocated memory is still 200.3 MB. Free memory was 176.5 MB in the beginning and 161.9 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Sifa took 623.06 ms. Allocated memory is still 200.3 MB. Free memory was 161.9 MB in the beginning and 135.8 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 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]: 565, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 111, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 203, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 301, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 172, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 161, 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: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 162, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 162, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 37, DAG_COMPRESSION_RETAINED_NODES: 22 - UnprovableResult [Line: 26]: 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 (= |#NULL.base| 0) (<= main_~p1~0.offset 0) (<= |main_~#b~0.offset| 0) (<= |#NULL.base| 0) (<= 0 main_~p1~0.offset) (<= 0 |old(~q~0)|) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= ~q~0 0) (<= |old(~q~0)| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~p2~0.offset 0) (<= 0 |main_~#b~0.offset|) (= |old(~q~0)| 0) (= |main_~#b~0.offset| 0) (= ~q~0 0) (= |#NULL.offset| 0) (<= 0 main_~p2~0.offset) (= |main_~#a~0.offset| 0) (<= 0 ~q~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...