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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:24:46,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:24:46,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:24:46,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:24:46,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:24:46,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:24:46,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:24:46,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:24:46,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:24:46,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:24:46,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:24:46,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:24:46,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:24:46,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:24:46,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:24:46,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:24:46,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:24:46,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:24:46,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:24:46,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:24:46,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:24:46,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:24:46,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:24:46,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:24:46,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 22:24:46,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:24:46,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:24:46,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:24:46,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:24:46,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:24:46,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:24:46,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:24:46,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:24:46,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:24:46,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:24:46,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:24:46,924 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 22:24:46,941 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:24:46,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:24:46,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:24:46,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:24:46,943 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:24:46,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:24:46,943 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:24:46,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:24:46,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:24:46,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:24:46,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:24:46,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:24:46,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:24:46,945 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:24:46,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:24:46,946 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:24:46,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:24:46,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:24:46,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:24:46,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:24:46,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:24:46,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:24:46,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:24:46,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:24:46,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:24:46,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:24:46,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:24:46,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:24:46,949 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:24:46,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:24:47,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:24:47,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:24:47,025 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:24:47,025 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:24:47,026 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-09-20 22:24:47,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52b842f6/c19824fce3574aa28b6384600f83764b/FLAGcf91ca0cf [2019-09-20 22:24:47,539 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:24:47,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/NetBSD_loop.i [2019-09-20 22:24:47,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52b842f6/c19824fce3574aa28b6384600f83764b/FLAGcf91ca0cf [2019-09-20 22:24:47,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52b842f6/c19824fce3574aa28b6384600f83764b [2019-09-20 22:24:47,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:24:47,957 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:24:47,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:47,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:24:47,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:24:47,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:47" (1/1) ... [2019-09-20 22:24:47,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3a5127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:47, skipping insertion in model container [2019-09-20 22:24:47,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:47" (1/1) ... [2019-09-20 22:24:47,974 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:24:47,992 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:24:48,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:48,181 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:24:48,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:48,214 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:24:48,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:48 WrapperNode [2019-09-20 22:24:48,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:48,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:24:48,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:24:48,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:24:48,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:48" (1/1) ... [2019-09-20 22:24:48,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:48" (1/1) ... [2019-09-20 22:24:48,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:48" (1/1) ... [2019-09-20 22:24:48,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:48" (1/1) ... [2019-09-20 22:24:48,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:48" (1/1) ... [2019-09-20 22:24:48,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:48" (1/1) ... [2019-09-20 22:24:48,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:48" (1/1) ... [2019-09-20 22:24:48,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:24:48,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:24:48,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:24:48,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:24:48,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:48" (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 22:24:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:24:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:24:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 22:24:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:24:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:24:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 22:24:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 22:24:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:24:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:24:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:24:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:24:48,614 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:24:48,615 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 22:24:48,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:24:48 BoogieIcfgContainer [2019-09-20 22:24:48,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:24:48,618 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:24:48,618 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:24:48,619 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:24:48,621 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:24:48" (1/1) ... [2019-09-20 22:24:48,622 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:24:48,677 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:24:48,677 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:24:48,695 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:24:48,712 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:24:48,713 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:24:48,771 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 22:24:48,915 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 22:24:48,932 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:24:48,932 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:24:48,934 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 71#(= 0 __VERIFIER_assert_~cond) [2019-09-20 22:24:48,945 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:24:48,946 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:24:48,948 INFO L168 Benchmark]: Toolchain (without parser) took 990.05 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.8 MB in the beginning and 149.5 MB in the end (delta: -60.7 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:48,949 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:24:48,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.11 ms. Allocated memory is still 133.7 MB. Free memory was 88.4 MB in the beginning and 78.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:48,951 INFO L168 Benchmark]: Boogie Preprocessor took 118.64 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 78.8 MB in the beginning and 177.3 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:48,952 INFO L168 Benchmark]: RCFGBuilder took 282.43 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 163.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:48,952 INFO L168 Benchmark]: Sifa took 327.72 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 149.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:48,956 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 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.11 ms. Allocated memory is still 133.7 MB. Free memory was 88.4 MB in the beginning and 78.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.64 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 78.8 MB in the beginning and 177.3 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.43 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 163.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Sifa took 327.72 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 149.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 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]: 260, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 25, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 16, TOOLS_POST_TIME[ms]: 15, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME[ms]: 27, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 26, FLUID_YES_ANSWERS: 26, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 53, DOMAIN_ALPHA_APPLICATIONS: 26, DOMAIN_ALPHA_TIME[ms]: 65, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 27, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 41, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 41, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 69, DAG_COMPRESSION_RETAINED_NODES: 38 - 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 71#(= 0 __VERIFIER_assert_~cond). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...