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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:20:55,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:20:55,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:20:55,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:20:55,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:20:55,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:20:55,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:20:55,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:20:55,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:20:55,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:20:55,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:20:55,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:20:55,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:20:55,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:20:55,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:20:55,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:20:55,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:20:55,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:20:55,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:20:55,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:20:55,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:20:55,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:20:55,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:20:55,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:20:55,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-25 16:20:55,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:20:55,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:20:55,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:20:55,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:20:55,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:20:55,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:20:55,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:20:55,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:20:55,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:20:55,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:20:55,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:20:55,352 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 [2019-09-25 16:20:55,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:20:55,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:20:55,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:20:55,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:20:55,372 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:20:55,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:20:55,373 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:20:55,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:20:55,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:20:55,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:20:55,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:20:55,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:20:55,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:20:55,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:20:55,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:20:55,374 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:20:55,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:20:55,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:20:55,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:20:55,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:20:55,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:20:55,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:20:55,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:20:55,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:20:55,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:20:55,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:20:55,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:20:55,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:20:55,379 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:20:55,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:20:55,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:20:55,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:20:55,449 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:20:55,449 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:20:55,450 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test03.c [2019-09-25 16:20:55,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd9b370c/67c61c192931455f8b6ecd96e9728a93/FLAG62613e350 [2019-09-25 16:20:55,957 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:20:55,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test03.c [2019-09-25 16:20:55,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd9b370c/67c61c192931455f8b6ecd96e9728a93/FLAG62613e350 [2019-09-25 16:20:56,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd9b370c/67c61c192931455f8b6ecd96e9728a93 [2019-09-25 16:20:56,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:20:56,379 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:20:56,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:20:56,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:20:56,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:20:56,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599a6431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56, skipping insertion in model container [2019-09-25 16:20:56,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,398 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:20:56,417 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:20:56,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:20:56,672 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:20:56,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:20:56,727 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:20:56,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56 WrapperNode [2019-09-25 16:20:56,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:20:56,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:20:56,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:20:56,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:20:56,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (1/1) ... [2019-09-25 16:20:56,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:20:56,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:20:56,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:20:56,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:20:56,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:56" (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 [2019-09-25 16:20:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:20:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:20:56,919 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-25 16:20:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:20:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:20:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-25 16:20:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:20:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 16:20:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 16:20:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 16:20:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 16:20:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:20:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:20:57,193 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:20:57,193 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 16:20:57,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:20:57 BoogieIcfgContainer [2019-09-25 16:20:57,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:20:57,196 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:20:57,196 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:20:57,196 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:20:57,197 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:20:57" (1/1) ... [2019-09-25 16:20:57,198 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 [2019-09-25 16:20:57,222 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:20:57,222 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:20:57,233 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:20:57,250 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:20:57,252 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:20:57,455 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-25 16:20:57,753 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:20:57,754 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:20:57,756 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)) [2019-09-25 16:20:57,770 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:20:57,770 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:20:57,772 INFO L168 Benchmark]: Toolchain (without parser) took 1392.72 ms. Allocated memory was 138.4 MB in the beginning and 196.6 MB in the end (delta: 58.2 MB). Free memory was 85.9 MB in the beginning and 132.9 MB in the end (delta: -47.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:57,773 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:20:57,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.20 ms. Allocated memory is still 138.4 MB. Free memory was 85.6 MB in the beginning and 76.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:57,776 INFO L168 Benchmark]: Boogie Preprocessor took 127.62 ms. Allocated memory was 138.4 MB in the beginning and 196.6 MB in the end (delta: 58.2 MB). Free memory was 76.0 MB in the beginning and 174.3 MB in the end (delta: -98.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:57,776 INFO L168 Benchmark]: RCFGBuilder took 338.39 ms. Allocated memory is still 196.6 MB. Free memory was 173.7 MB in the beginning and 159.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:57,777 INFO L168 Benchmark]: Sifa took 574.79 ms. Allocated memory is still 196.6 MB. Free memory was 159.4 MB in the beginning and 132.9 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:57,781 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 348.20 ms. Allocated memory is still 138.4 MB. Free memory was 85.6 MB in the beginning and 76.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.62 ms. Allocated memory was 138.4 MB in the beginning and 196.6 MB in the end (delta: 58.2 MB). Free memory was 76.0 MB in the beginning and 174.3 MB in the end (delta: -98.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 338.39 ms. Allocated memory is still 196.6 MB. Free memory was 173.7 MB in the beginning and 159.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Sifa took 574.79 ms. Allocated memory is still 196.6 MB. Free memory was 159.4 MB in the beginning and 132.9 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 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]: 534, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 121, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 187, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 13, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 305, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 164, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 130, 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]: 170, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 170, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, 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...