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/loops/veris.c_NetBSD-libc_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:34:54,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:34:54,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:34:54,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:34:54,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:34:54,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:34:54,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:34:54,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:34:54,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:34:54,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:34:54,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:34:54,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:34:54,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:34:54,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:34:54,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:34:54,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:34:54,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:34:54,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:34:54,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:34:54,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:34:54,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:34:54,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:34:54,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:34:54,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:34:54,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:34:54,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:34:54,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:34:54,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:34:54,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:34:54,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:34:54,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:34:54,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:34:54,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:34:54,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:34:54,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:34:54,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:34:54,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:34:54,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:34:54,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:34:54,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:34:54,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:34:54,408 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 [2019-10-15 06:34:54,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:34:54,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:34:54,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:34:54,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:34:54,424 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:34:54,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:34:54,424 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:34:54,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:34:54,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:34:54,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:34:54,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:34:54,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:34:54,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:34:54,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:34:54,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:34:54,426 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:34:54,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:34:54,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:34:54,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:34:54,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:34:54,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:34:54,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:34:54,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:34:54,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:34:54,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:34:54,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:34:54,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:34:54,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:34:54,429 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 [2019-10-15 06:34:54,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:34:54,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:34:54,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:34:54,732 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:34:54,732 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:34:54,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-10-15 06:34:54,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffdba6729/10caeb51e93c46aab52b79af940e53c7/FLAGe675a60aa [2019-10-15 06:34:55,278 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:34:55,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-10-15 06:34:55,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffdba6729/10caeb51e93c46aab52b79af940e53c7/FLAGe675a60aa [2019-10-15 06:34:55,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffdba6729/10caeb51e93c46aab52b79af940e53c7 [2019-10-15 06:34:55,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:34:55,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:34:55,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:55,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:34:55,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:34:55,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:55" (1/1) ... [2019-10-15 06:34:55,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f393570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:55, skipping insertion in model container [2019-10-15 06:34:55,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:55" (1/1) ... [2019-10-15 06:34:55,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:34:55,738 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:34:55,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:55,932 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:34:55,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:55,964 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:34:55,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:55 WrapperNode [2019-10-15 06:34:55,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:55,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:34:55,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:34:55,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:34:56,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:55" (1/1) ... [2019-10-15 06:34:56,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:55" (1/1) ... [2019-10-15 06:34:56,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:55" (1/1) ... [2019-10-15 06:34:56,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:55" (1/1) ... [2019-10-15 06:34:56,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:55" (1/1) ... [2019-10-15 06:34:56,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:55" (1/1) ... [2019-10-15 06:34:56,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:55" (1/1) ... [2019-10-15 06:34:56,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:34:56,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:34:56,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:34:56,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:34:56,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:55" (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 [2019-10-15 06:34:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:34:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:34:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 06:34:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2019-10-15 06:34:56,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:34:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:34:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 06:34:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2019-10-15 06:34:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:34:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:34:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:34:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:34:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:34:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:34:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:34:56,429 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:34:56,429 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 06:34:56,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:56 BoogieIcfgContainer [2019-10-15 06:34:56,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:34:56,431 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:34:56,431 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:34:56,432 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:34:56,433 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:56" (1/1) ... [2019-10-15 06:34:56,433 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 [2019-10-15 06:34:56,457 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:34:56,457 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:34:56,465 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:34:56,473 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:34:56,474 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:34:56,677 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 33 for LOIs [2019-10-15 06:34:56,782 INFO L199 IcfgInterpreter]: Interpreting procedure glob2 with input of size 39 for LOIs [2019-10-15 06:34:57,065 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:57,380 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 22 for LOIs [2019-10-15 06:34:57,406 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:34:57,423 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:34:57,424 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:34:57,427 INFO L168 Benchmark]: Toolchain (without parser) took 1717.49 ms. Allocated memory was 137.9 MB in the beginning and 233.3 MB in the end (delta: 95.4 MB). Free memory was 102.1 MB in the beginning and 189.2 MB in the end (delta: -87.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:57,428 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 06:34:57,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.43 ms. Allocated memory is still 137.9 MB. Free memory was 101.9 MB in the beginning and 92.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:57,434 INFO L168 Benchmark]: Boogie Preprocessor took 130.01 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 92.1 MB in the beginning and 178.0 MB in the end (delta: -86.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:57,436 INFO L168 Benchmark]: RCFGBuilder took 335.30 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 161.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:57,437 INFO L168 Benchmark]: Sifa took 992.50 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 161.4 MB in the beginning and 189.2 MB in the end (delta: -27.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:57,448 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.43 ms. Allocated memory is still 137.9 MB. Free memory was 101.9 MB in the beginning and 92.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.01 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 92.1 MB in the beginning and 178.0 MB in the end (delta: -86.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 335.30 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 161.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Sifa took 992.50 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 161.4 MB in the beginning and 189.2 MB in the end (delta: -27.8 MB). Peak memory consumption was 4.8 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]: 949, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 26, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 18, TOOLS_POST_TIME[ms]: 138, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 220, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 17, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME[ms]: 339, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 94, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 29, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 271, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 201, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 581, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 578, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 159, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 159, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 36 - UnprovableResult [Line: 5]: 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 73#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (= ~tmp~0.offset 4) (= |#NULL.offset| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= |#NULL.base| 0) (= ~tmp~0.offset 4) (= 0 __VERIFIER_assert_~cond) (= |#NULL.offset| 0) (<= 0 ~tmp~0.offset) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 4 ~tmp~0.offset) (<= 0 |#NULL.base|) (<= ~tmp~0.offset 4) (<= 0 __VERIFIER_assert_~cond) (<= 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...