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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/locks/test_locks_12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:27:28,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:27:28,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:27:28,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:27:28,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:27:28,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:27:28,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:27:28,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:27:28,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:27:28,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:27:28,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:27:28,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:27:28,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:27:28,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:27:28,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:27:28,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:27:28,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:27:28,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:27:28,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:27:28,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:27:28,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:27:28,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:27:28,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:27:28,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:27:28,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:27:28,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:27:28,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:27:28,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:27:28,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:27:28,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:27:28,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:27:28,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:27:28,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:27:28,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:27:28,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:27:28,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:27:28,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:27:28,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:27:28,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:27:28,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:27:28,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:27:28,052 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 [2019-09-21 08:27:28,067 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:27:28,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:27:28,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:27:28,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:27:28,069 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:27:28,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:27:28,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:27:28,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:27:28,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:27:28,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:27:28,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:27:28,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:27:28,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:27:28,071 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:27:28,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:27:28,071 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:27:28,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:27:28,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:27:28,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:27:28,072 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:27:28,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:27:28,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:27:28,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:27:28,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:27:28,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:27:28,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:27:28,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:27:28,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:27:28,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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_QUICK [2019-09-21 08:27:28,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:27:28,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:27:28,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:27:28,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:27:28,124 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:27:28,124 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_12.c [2019-09-21 08:27:28,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4afa75ad/9952e3dc850a458788ba4e342b886be6/FLAG911555fb0 [2019-09-21 08:27:28,661 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:27:28,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_12.c [2019-09-21 08:27:28,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4afa75ad/9952e3dc850a458788ba4e342b886be6/FLAG911555fb0 [2019-09-21 08:27:29,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4afa75ad/9952e3dc850a458788ba4e342b886be6 [2019-09-21 08:27:29,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:27:29,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:27:29,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:27:29,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:27:29,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:27:29,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:27:29" (1/1) ... [2019-09-21 08:27:29,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af9c1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:29, skipping insertion in model container [2019-09-21 08:27:29,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:27:29" (1/1) ... [2019-09-21 08:27:29,102 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:27:29,130 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:27:29,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:27:29,390 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:27:29,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:27:29,522 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:27:29,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:29 WrapperNode [2019-09-21 08:27:29,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:27:29,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:27:29,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:27:29,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:27:29,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:29" (1/1) ... [2019-09-21 08:27:29,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:29" (1/1) ... [2019-09-21 08:27:29,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:29" (1/1) ... [2019-09-21 08:27:29,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:29" (1/1) ... [2019-09-21 08:27:29,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:29" (1/1) ... [2019-09-21 08:27:29,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:29" (1/1) ... [2019-09-21 08:27:29,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:29" (1/1) ... [2019-09-21 08:27:29,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:27:29,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:27:29,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:27:29,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:27:29,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:29" (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 [2019-09-21 08:27:29,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:27:29,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:27:29,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:27:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:27:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:27:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:27:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:27:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:27:30,248 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:27:30,249 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 08:27:30,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:27:30 BoogieIcfgContainer [2019-09-21 08:27:30,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:27:30,251 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:27:30,251 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:27:30,252 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:27:30,253 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:27:30" (1/1) ... [2019-09-21 08:27:30,254 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:27:30,276 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:27:30,276 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:27:30,284 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:27:30,294 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:27:30,295 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:27:30,383 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 08:27:30,603 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:34,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:37,607 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:39,336 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:40,833 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:42,547 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:43,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:45,666 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:47,386 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:48,934 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:50,567 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:52,055 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:53,884 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:55,444 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-09-21 08:27:57,145 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:27:57,145 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:27:57,148 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 58864#true [2019-09-21 08:27:57,165 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:27:57,165 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:27:57,169 INFO L168 Benchmark]: Toolchain (without parser) took 28083.51 ms. Allocated memory was 132.6 MB in the beginning and 364.9 MB in the end (delta: 232.3 MB). Free memory was 86.5 MB in the beginning and 295.0 MB in the end (delta: -208.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:57,170 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:27:57,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.19 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 177.1 MB in the end (delta: -90.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:57,174 INFO L168 Benchmark]: Boogie Preprocessor took 44.35 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 174.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:57,175 INFO L168 Benchmark]: RCFGBuilder took 682.39 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 133.5 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:57,184 INFO L168 Benchmark]: Sifa took 26914.46 ms. Allocated memory was 200.3 MB in the beginning and 364.9 MB in the end (delta: 164.6 MB). Free memory was 133.5 MB in the beginning and 295.0 MB in the end (delta: -161.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:57,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 438.19 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 177.1 MB in the end (delta: -90.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.35 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 174.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 682.39 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 133.5 MB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. * Sifa took 26914.46 ms. Allocated memory was 200.3 MB in the beginning and 364.9 MB in the end (delta: 164.6 MB). Free memory was 133.5 MB in the beginning and 295.0 MB in the end (delta: -161.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 26872, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 611, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 551, TOOLS_POST_TIME[ms]: 203, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 7, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 554, TOOLS_QUANTIFIERELIM_TIME[ms]: 136, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 35, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 612, FLUID_YES_ANSWERS: 14, DOMAIN_JOIN_APPLICATIONS: 364, DOMAIN_JOIN_TIME[ms]: 1794, DOMAIN_ALPHA_APPLICATIONS: 14, DOMAIN_ALPHA_TIME[ms]: 24197, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 290, DOMAIN_ISBOTTOM_TIME[ms]: 391, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8069, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8068, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 48, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 48, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 140, DAG_COMPRESSION_PROCESSED_NODES: 3512, DAG_COMPRESSION_RETAINED_NODES: 1157 - UnprovableResult [Line: 189]: 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 58864#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...