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 NONE -i ../../../trunk/examples/svcomp/locks/test_locks_6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:05:49,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:05:49,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:05:49,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:05:49,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:05:49,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:05:49,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:05:49,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:05:49,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:05:49,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:05:49,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:05:49,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:05:49,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:05:49,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:05:49,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:05:49,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:05:49,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:05:49,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:05:49,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:05:49,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:05:49,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:05:49,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:05:49,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:05:49,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:05:49,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 15:05:49,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:05:49,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:05:49,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:05:49,902 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 [2019-09-20 15:05:49,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:05:49,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:05:49,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:05:49,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:05:49,919 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:05:49,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:05:49,919 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:05:49,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:05:49,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:05:49,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:05:49,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:05:49,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:05:49,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:05:49,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:05:49,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:05:49,921 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:05:49,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:05:49,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:05:49,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:05:49,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:05:49,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:05:49,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:05:49,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:05:49,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:05:49,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:05:49,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:05:49,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:05:49,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:05:49,924 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 -> NONE [2019-09-20 15:05:49,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:05:49,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:05:49,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:05:49,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:05:49,971 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:05:49,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_6.c [2019-09-20 15:05:50,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95193d50/e75ae7a1b69648f38fdcc8cb7970f8cb/FLAG0acc60892 [2019-09-20 15:05:50,448 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:05:50,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_6.c [2019-09-20 15:05:50,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95193d50/e75ae7a1b69648f38fdcc8cb7970f8cb/FLAG0acc60892 [2019-09-20 15:05:50,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d95193d50/e75ae7a1b69648f38fdcc8cb7970f8cb [2019-09-20 15:05:50,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:05:50,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:05:50,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:05:50,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:05:50,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:05:50,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:05:50" (1/1) ... [2019-09-20 15:05:50,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c806856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:50, skipping insertion in model container [2019-09-20 15:05:50,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:05:50" (1/1) ... [2019-09-20 15:05:50,912 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:05:50,932 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:05:51,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:05:51,168 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:05:51,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:05:51,301 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:05:51,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:51 WrapperNode [2019-09-20 15:05:51,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:05:51,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:05:51,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:05:51,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:05:51,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:51" (1/1) ... [2019-09-20 15:05:51,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:51" (1/1) ... [2019-09-20 15:05:51,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:51" (1/1) ... [2019-09-20 15:05:51,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:51" (1/1) ... [2019-09-20 15:05:51,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:51" (1/1) ... [2019-09-20 15:05:51,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:51" (1/1) ... [2019-09-20 15:05:51,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:51" (1/1) ... [2019-09-20 15:05:51,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:05:51,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:05:51,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:05:51,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:05:51,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:51" (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 [2019-09-20 15:05:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:05:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:05:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:05:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:05:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:05:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:05:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:05:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:05:51,860 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:05:51,860 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 15:05:51,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:05:51 BoogieIcfgContainer [2019-09-20 15:05:51,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:05:51,862 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:05:51,863 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:05:51,863 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:05:51,864 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:05:51" (1/1) ... [2019-09-20 15:05:51,865 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:05:51,885 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:05:51,886 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:05:51,892 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:05:51,901 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:05:51,903 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:05:51,946 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 15:05:52,035 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:05:52,105 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:05:52,172 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:05:52,226 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:05:52,280 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:05:52,300 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:05:52,341 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:05:52,341 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:05:52,343 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 832#true [2019-09-20 15:05:52,356 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:05:52,357 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:05:52,359 INFO L168 Benchmark]: Toolchain (without parser) took 1465.96 ms. Allocated memory was 135.8 MB in the beginning and 197.7 MB in the end (delta: 61.9 MB). Free memory was 86.3 MB in the beginning and 120.4 MB in the end (delta: -34.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:52,360 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 135.8 MB. Free memory was 105.2 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:05:52,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.72 ms. Allocated memory was 135.8 MB in the beginning and 197.7 MB in the end (delta: 61.9 MB). Free memory was 86.1 MB in the beginning and 176.2 MB in the end (delta: -90.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:52,362 INFO L168 Benchmark]: Boogie Preprocessor took 32.69 ms. Allocated memory is still 197.7 MB. Free memory was 176.2 MB in the beginning and 174.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:52,363 INFO L168 Benchmark]: RCFGBuilder took 526.61 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 150.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:52,364 INFO L168 Benchmark]: Sifa took 494.55 ms. Allocated memory is still 197.7 MB. Free memory was 150.6 MB in the beginning and 120.4 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:52,368 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 135.8 MB. Free memory was 105.2 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 405.72 ms. Allocated memory was 135.8 MB in the beginning and 197.7 MB in the end (delta: 61.9 MB). Free memory was 86.1 MB in the beginning and 176.2 MB in the end (delta: -90.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.69 ms. Allocated memory is still 197.7 MB. Free memory was 176.2 MB in the beginning and 174.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 526.61 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 150.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Sifa took 494.55 ms. Allocated memory is still 197.7 MB. Free memory was 150.6 MB in the beginning and 120.4 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 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]: 458, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 180, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 160, TOOLS_POST_TIME[ms]: 77, 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: 163, TOOLS_QUANTIFIERELIM_TIME[ms]: 53, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 182, FLUID_YES_ANSWERS: 6, DOMAIN_JOIN_APPLICATIONS: 107, DOMAIN_JOIN_TIME[ms]: 16, DOMAIN_ALPHA_APPLICATIONS: 6, DOMAIN_ALPHA_TIME[ms]: 71, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 83, DOMAIN_ISBOTTOM_TIME[ms]: 143, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 258, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 258, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 53, DAG_COMPRESSION_PROCESSED_NODES: 761, DAG_COMPRESSION_RETAINED_NODES: 177 - UnprovableResult [Line: 105]: 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 832#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...