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/loop-invgen/MADWiFi-encode_ie_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:05:37,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:05:37,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:05:37,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:05:37,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:05:37,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:05:37,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:05:37,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:05:37,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:05:37,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:05:37,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:05:37,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:05:37,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:05:37,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:05:37,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:05:37,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:05:37,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:05:37,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:05:37,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:05:37,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:05:37,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:05:37,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:05:37,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:05:37,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:05:37,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 02:05:37,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:05:37,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:05:37,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:05:37,988 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 02:05:38,017 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:05:38,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:05:38,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:05:38,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:05:38,020 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:05:38,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:05:38,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:05:38,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:05:38,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:05:38,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:05:38,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:05:38,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:05:38,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:05:38,023 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:05:38,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:05:38,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:05:38,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:05:38,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:05:38,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:05:38,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:05:38,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:05:38,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:05:38,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:05:38,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:05:38,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:05:38,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:05:38,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:05:38,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:05:38,027 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 [2019-09-17 02:05:38,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:05:38,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:05:38,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:05:38,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:05:38,097 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:05:38,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-09-17 02:05:38,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3699867db/3b70a686efa24982ad85a8e3e2631cc2/FLAG6ed6fa0d5 [2019-09-17 02:05:38,601 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:05:38,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok.i [2019-09-17 02:05:38,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3699867db/3b70a686efa24982ad85a8e3e2631cc2/FLAG6ed6fa0d5 [2019-09-17 02:05:39,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3699867db/3b70a686efa24982ad85a8e3e2631cc2 [2019-09-17 02:05:39,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:05:39,020 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:05:39,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:05:39,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:05:39,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:05:39,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:05:39" (1/1) ... [2019-09-17 02:05:39,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2a32ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39, skipping insertion in model container [2019-09-17 02:05:39,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:05:39" (1/1) ... [2019-09-17 02:05:39,036 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:05:39,054 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:05:39,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:05:39,260 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:05:39,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:05:39,292 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:05:39,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39 WrapperNode [2019-09-17 02:05:39,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:05:39,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:05:39,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:05:39,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:05:39,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39" (1/1) ... [2019-09-17 02:05:39,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39" (1/1) ... [2019-09-17 02:05:39,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39" (1/1) ... [2019-09-17 02:05:39,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39" (1/1) ... [2019-09-17 02:05:39,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39" (1/1) ... [2019-09-17 02:05:39,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39" (1/1) ... [2019-09-17 02:05:39,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39" (1/1) ... [2019-09-17 02:05:39,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:05:39,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:05:39,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:05:39,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:05:39,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:39" (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 02:05:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:05:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:05:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 02:05:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:05:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:05:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 02:05:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 02:05:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:05:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:05:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:05:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:05:39,704 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:05:39,704 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 02:05:39,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:05:39 BoogieIcfgContainer [2019-09-17 02:05:39,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:05:39,708 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:05:39,708 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:05:39,708 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:05:39,709 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:05:39" (1/1) ... [2019-09-17 02:05:39,710 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 [2019-09-17 02:05:39,735 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:05:39,735 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:05:39,746 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:05:39,757 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:05:39,759 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:05:39,828 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 02:05:39,992 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 16 [2019-09-17 02:05:40,331 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-17 02:05:40,332 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:05:40,333 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:05:40,335 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 69#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 02:05:40,349 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:05:40,349 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:05:40,351 INFO L168 Benchmark]: Toolchain (without parser) took 1330.10 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 84.1 MB in the beginning and 115.6 MB in the end (delta: -31.5 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:40,352 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-17 02:05:40,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.07 ms. Allocated memory is still 134.7 MB. Free memory was 83.9 MB in the beginning and 74.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:40,354 INFO L168 Benchmark]: Boogie Preprocessor took 122.69 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 74.3 MB in the beginning and 175.8 MB in the end (delta: -101.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:40,355 INFO L168 Benchmark]: RCFGBuilder took 290.55 ms. Allocated memory is still 198.7 MB. Free memory was 175.8 MB in the beginning and 161.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:40,356 INFO L168 Benchmark]: Sifa took 641.51 ms. Allocated memory is still 198.7 MB. Free memory was 161.5 MB in the beginning and 115.6 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:40,360 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.07 ms. Allocated memory is still 134.7 MB. Free memory was 83.9 MB in the beginning and 74.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.69 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 74.3 MB in the beginning and 175.8 MB in the end (delta: -101.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 290.55 ms. Allocated memory is still 198.7 MB. Free memory was 175.8 MB in the beginning and 161.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Sifa took 641.51 ms. Allocated memory is still 198.7 MB. Free memory was 161.5 MB in the beginning and 115.6 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 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]: 600, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 37, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 34, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 405, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 31, TOOLS_QUANTIFIERELIM_APPLICATIONS: 44, TOOLS_QUANTIFIERELIM_TIME[ms]: 435, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 161, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 40, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 5, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 450, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 449, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 19, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 18, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 101, DAG_COMPRESSION_RETAINED_NODES: 49 - 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 69#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 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...