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/ldv-regression/test11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:25:50,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:25:50,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:25:50,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:25:50,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:25:50,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:25:50,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:25:51,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:25:51,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:25:51,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:25:51,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:25:51,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:25:51,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:25:51,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:25:51,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:25:51,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:25:51,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:25:51,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:25:51,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:25:51,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:25:51,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:25:51,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:25:51,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:25:51,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:25:51,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 16:25:51,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:25:51,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:25:51,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:25:51,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:25:51,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:25:51,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:25:51,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:25:51,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:25:51,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:25:51,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:25:51,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:25:51,058 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 16:25:51,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:25:51,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:25:51,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:25:51,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:25:51,102 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:25:51,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:25:51,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:25:51,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:25:51,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:25:51,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:25:51,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:25:51,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:25:51,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:25:51,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:25:51,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:25:51,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:25:51,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:25:51,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:25:51,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:25:51,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:25:51,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:25:51,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:25:51,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:25:51,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:25:51,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:25:51,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:25:51,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:25:51,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:25:51,109 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 16:25:51,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:25:51,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:25:51,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:25:51,192 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:25:51,193 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:25:51,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test11.c [2019-09-17 16:25:51,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7e7e4e4a/ac7004e1a5d24417b87e99cc0f04630f/FLAG749da2059 [2019-09-17 16:25:51,674 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:25:51,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test11.c [2019-09-17 16:25:51,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7e7e4e4a/ac7004e1a5d24417b87e99cc0f04630f/FLAG749da2059 [2019-09-17 16:25:52,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7e7e4e4a/ac7004e1a5d24417b87e99cc0f04630f [2019-09-17 16:25:52,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:25:52,106 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:25:52,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:25:52,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:25:52,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:25:52,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:25:52" (1/1) ... [2019-09-17 16:25:52,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521750fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:52, skipping insertion in model container [2019-09-17 16:25:52,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:25:52" (1/1) ... [2019-09-17 16:25:52,122 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:25:52,136 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:25:52,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:25:52,334 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:25:52,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:25:52,376 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:25:52,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:52 WrapperNode [2019-09-17 16:25:52,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:25:52,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:25:52,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:25:52,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:25:52,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:52" (1/1) ... [2019-09-17 16:25:52,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:52" (1/1) ... [2019-09-17 16:25:52,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:52" (1/1) ... [2019-09-17 16:25:52,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:52" (1/1) ... [2019-09-17 16:25:52,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:52" (1/1) ... [2019-09-17 16:25:52,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:52" (1/1) ... [2019-09-17 16:25:52,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:52" (1/1) ... [2019-09-17 16:25:52,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:25:52,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:25:52,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:25:52,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:25:52,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:52" (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 16:25:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:25:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:25:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-17 16:25:52,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:25:52,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:25:52,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 16:25:52,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-17 16:25:52,600 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-17 16:25:52,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:25:52,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 16:25:52,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 16:25:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:25:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:25:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:25:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:25:52,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:25:53,027 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:25:53,028 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 16:25:53,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:25:53 BoogieIcfgContainer [2019-09-17 16:25:53,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:25:53,030 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:25:53,030 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:25:53,030 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:25:53,031 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:25:53" (1/1) ... [2019-09-17 16:25:53,032 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 16:25:53,057 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:25:53,057 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:25:53,065 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:25:53,075 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:25:53,076 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:25:53,448 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-17 16:25:53,716 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2019-09-17 16:25:53,728 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 45 for LOIs [2019-09-17 16:25:53,949 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-17 16:25:54,262 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-17 16:25:54,462 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:25:54,463 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:25:54,465 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 37#true [2019-09-17 16:25:54,477 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:25:54,478 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:25:54,480 INFO L168 Benchmark]: Toolchain (without parser) took 2373.46 ms. Allocated memory was 141.6 MB in the beginning and 225.4 MB in the end (delta: 83.9 MB). Free memory was 89.4 MB in the beginning and 127.0 MB in the end (delta: -37.7 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2019-09-17 16:25:54,481 INFO L168 Benchmark]: CDTParser took 1.28 ms. Allocated memory is still 141.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 16:25:54,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.85 ms. Allocated memory is still 141.6 MB. Free memory was 88.9 MB in the beginning and 78.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-17 16:25:54,483 INFO L168 Benchmark]: Boogie Preprocessor took 150.63 ms. Allocated memory was 141.6 MB in the beginning and 197.7 MB in the end (delta: 56.1 MB). Free memory was 78.8 MB in the beginning and 174.5 MB in the end (delta: -95.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-17 16:25:54,483 INFO L168 Benchmark]: RCFGBuilder took 500.91 ms. Allocated memory is still 197.7 MB. Free memory was 174.5 MB in the beginning and 151.2 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-09-17 16:25:54,484 INFO L168 Benchmark]: Sifa took 1448.22 ms. Allocated memory was 197.7 MB in the beginning and 225.4 MB in the end (delta: 27.8 MB). Free memory was 151.2 MB in the beginning and 127.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. [2019-09-17 16:25:54,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 ms. Allocated memory is still 141.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 269.85 ms. Allocated memory is still 141.6 MB. Free memory was 88.9 MB in the beginning and 78.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.63 ms. Allocated memory was 141.6 MB in the beginning and 197.7 MB in the end (delta: 56.1 MB). Free memory was 78.8 MB in the beginning and 174.5 MB in the end (delta: -95.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.91 ms. Allocated memory is still 197.7 MB. Free memory was 174.5 MB in the beginning and 151.2 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Sifa took 1448.22 ms. Allocated memory was 197.7 MB in the beginning and 225.4 MB in the end (delta: 27.8 MB). Free memory was 151.2 MB in the beginning and 127.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 51.9 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]: 1408, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 11, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 385, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 624, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 1000, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 596, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 11, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 300, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 9, 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]: 625, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 624, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 24 - UnprovableResult [Line: 30]: 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 37#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...