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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-new/half.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 15:47:18,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:47:18,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:47:18,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:47:18,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:47:18,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:47:18,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:47:18,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:47:18,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:47:18,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:47:18,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:47:18,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:47:18,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:47:18,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:47:18,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:47:18,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:47:18,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:47:18,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:47:18,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:47:18,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:47:18,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:47:18,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:47:18,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:47:18,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:47:18,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 15:47:18,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 15:47:18,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 15:47:18,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 15:47:18,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 15:47:18,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 15:47:18,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:47:18,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:47:18,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:47:18,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:47:18,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:47:18,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:47:18,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:47:18,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:47:18,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:47:18,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:47:18,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:47:18,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-17 15:47:18,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:47:18,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:47:18,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:47:18,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:47:18,273 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:47:18,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:47:18,273 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:47:18,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:47:18,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:47:18,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:47:18,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:47:18,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:47:18,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:47:18,276 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:47:18,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:47:18,276 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:47:18,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:47:18,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:47:18,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:47:18,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:47:18,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:47:18,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:47:18,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:47:18,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:47:18,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:47:18,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:47:18,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:47:18,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:47:18,279 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 15:47:18,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:47:18,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:47:18,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:47:18,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:47:18,356 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:47:18,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/half.i [2019-09-17 15:47:18,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144032133/1ee00e0bd2144e18846511e2c1b34953/FLAG39b30b6d7 [2019-09-17 15:47:18,870 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:47:18,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/half.i [2019-09-17 15:47:18,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144032133/1ee00e0bd2144e18846511e2c1b34953/FLAG39b30b6d7 [2019-09-17 15:47:19,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/144032133/1ee00e0bd2144e18846511e2c1b34953 [2019-09-17 15:47:19,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:47:19,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:47:19,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:47:19,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:47:19,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:47:19,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:47:19" (1/1) ... [2019-09-17 15:47:19,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a49921e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:19, skipping insertion in model container [2019-09-17 15:47:19,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:47:19" (1/1) ... [2019-09-17 15:47:19,294 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:47:19,310 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:47:19,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:47:19,463 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:47:19,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:47:19,489 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:47:19,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:19 WrapperNode [2019-09-17 15:47:19,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:47:19,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:47:19,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:47:19,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:47:19,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:19" (1/1) ... [2019-09-17 15:47:19,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:19" (1/1) ... [2019-09-17 15:47:19,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:19" (1/1) ... [2019-09-17 15:47:19,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:19" (1/1) ... [2019-09-17 15:47:19,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:19" (1/1) ... [2019-09-17 15:47:19,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:19" (1/1) ... [2019-09-17 15:47:19,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:19" (1/1) ... [2019-09-17 15:47:19,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:47:19,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:47:19,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:47:19,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:47:19,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:47:19,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:47:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:47:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 15:47:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:47:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:47:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 15:47:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 15:47:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 15:47:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:47:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:47:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:47:19,923 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:47:19,924 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 15:47:19,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:47:19 BoogieIcfgContainer [2019-09-17 15:47:19,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:47:19,926 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:47:19,926 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:47:19,927 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:47:19,928 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:47:19" (1/1) ... [2019-09-17 15:47:19,940 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 15:47:19,990 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:47:19,990 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:47:19,997 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:47:20,014 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:47:20,018 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:47:20,092 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 15:47:20,566 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2019-09-17 15:47:20,934 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2019-09-17 15:47:21,214 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-17 15:47:21,387 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-17 15:47:21,571 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 32 [2019-09-17 15:47:21,864 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-17 15:47:22,618 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2019-09-17 15:47:22,970 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-17 15:47:23,007 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 15:47:23,007 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 15:47:23,009 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 95#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 15:47:23,023 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 15:47:23,023 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 15:47:23,025 INFO L168 Benchmark]: Toolchain (without parser) took 3747.03 ms. Allocated memory was 137.4 MB in the beginning and 271.1 MB in the end (delta: 133.7 MB). Free memory was 84.8 MB in the beginning and 130.9 MB in the end (delta: -46.2 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2019-09-17 15:47:23,026 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 15:47:23,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.81 ms. Allocated memory is still 137.4 MB. Free memory was 84.6 MB in the beginning and 74.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-17 15:47:23,028 INFO L168 Benchmark]: Boogie Preprocessor took 126.54 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 74.8 MB in the beginning and 175.5 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-17 15:47:23,029 INFO L168 Benchmark]: RCFGBuilder took 308.24 ms. Allocated memory is still 198.2 MB. Free memory was 175.5 MB in the beginning and 160.9 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-09-17 15:47:23,030 INFO L168 Benchmark]: Sifa took 3096.89 ms. Allocated memory was 198.2 MB in the beginning and 271.1 MB in the end (delta: 72.9 MB). Free memory was 160.9 MB in the beginning and 130.9 MB in the end (delta: 30.0 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2019-09-17 15:47:23,045 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 211.81 ms. Allocated memory is still 137.4 MB. Free memory was 84.6 MB in the beginning and 74.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.54 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 74.8 MB in the beginning and 175.5 MB in the end (delta: -100.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.24 ms. Allocated memory is still 198.2 MB. Free memory was 175.5 MB in the beginning and 160.9 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * Sifa took 3096.89 ms. Allocated memory was 198.2 MB in the beginning and 271.1 MB in the end (delta: 72.9 MB). Free memory was 160.9 MB in the beginning and 130.9 MB in the end (delta: 30.0 MB). Peak memory consumption was 102.9 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]: 3018, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 19, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 15, TOOLS_POST_TIME[ms]: 100, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 13, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 19, TOOLS_QUANTIFIERELIM_TIME[ms]: 94, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 27, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME[ms]: 1688, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 1114, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2853, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2853, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 27, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 50, DAG_COMPRESSION_RETAINED_NODES: 31 - 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 95#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...