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 IntervalDomain --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/loop-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:09:21,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:09:21,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:09:21,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:09:21,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:09:21,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:09:21,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:09:21,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:09:21,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:09:21,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:09:21,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:09:21,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:09:21,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:09:21,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:09:21,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:09:21,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:09:21,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:09:21,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:09:21,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:09:21,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:09:21,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:09:21,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:09:21,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:09:21,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:09:21,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:09:21,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:09:21,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:09:21,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:09:21,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:09:21,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:09:21,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:09:21,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:09:21,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:09:21,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:09:21,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:09:21,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:09:21,907 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 09:09:21,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:09:21,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:09:21,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:09:21,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:09:21,935 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:09:21,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:09:21,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:09:21,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:09:21,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:09:21,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:09:21,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:09:21,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:09:21,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:09:21,937 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:09:21,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:09:21,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:09:21,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:09:21,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:09:21,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:09:21,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:09:21,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:09:21,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:09:21,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:09:21,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:09:21,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:09:21,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:09:21,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:09:21,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:09:21,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 09:09:21,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:09:22,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:09:22,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:09:22,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:09:22,008 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:09:22,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-21 09:09:22,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365eab1cf/85fc0e217f4841c78c604555bec5066f/FLAGc11b30e40 [2019-09-21 09:09:22,510 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:09:22,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-21 09:09:22,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365eab1cf/85fc0e217f4841c78c604555bec5066f/FLAGc11b30e40 [2019-09-21 09:09:22,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/365eab1cf/85fc0e217f4841c78c604555bec5066f [2019-09-21 09:09:22,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:09:22,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:09:22,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:22,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:09:22,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:09:22,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:22" (1/1) ... [2019-09-21 09:09:22,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a5662b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:22, skipping insertion in model container [2019-09-21 09:09:22,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:22" (1/1) ... [2019-09-21 09:09:22,973 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:09:22,989 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:09:23,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:23,151 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:09:23,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:23,182 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:09:23,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:23 WrapperNode [2019-09-21 09:09:23,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:23,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:09:23,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:09:23,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:09:23,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:23" (1/1) ... [2019-09-21 09:09:23,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:23" (1/1) ... [2019-09-21 09:09:23,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:23" (1/1) ... [2019-09-21 09:09:23,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:23" (1/1) ... [2019-09-21 09:09:23,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:23" (1/1) ... [2019-09-21 09:09:23,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:23" (1/1) ... [2019-09-21 09:09:23,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:23" (1/1) ... [2019-09-21 09:09:23,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:09:23,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:09:23,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:09:23,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:09:23,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:23" (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 09:09:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:09:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:09:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:09:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:09:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:09:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-21 09:09:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:09:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:09:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:09:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:09:23,553 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:09:23,553 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:09:23,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:23 BoogieIcfgContainer [2019-09-21 09:09:23,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:09:23,555 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:09:23,555 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:09:23,556 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:09:23,557 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:23" (1/1) ... [2019-09-21 09:09:23,557 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 09:09:23,580 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:09:23,581 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:09:23,588 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:09:23,598 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:09:23,599 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:09:23,684 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:09:23,763 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 40 for LOIs [2019-09-21 09:09:23,772 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:09:23,773 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:09:23,775 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-21 09:09:23,786 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:09:23,786 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:09:23,788 INFO L168 Benchmark]: Toolchain (without parser) took 831.82 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 87.0 MB in the beginning and 154.4 MB in the end (delta: -67.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:09:23,789 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 135.3 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:09:23,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.27 ms. Allocated memory is still 135.3 MB. Free memory was 86.8 MB in the beginning and 77.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:23,791 INFO L168 Benchmark]: Boogie Preprocessor took 130.42 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 77.7 MB in the beginning and 176.7 MB in the end (delta: -99.0 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:23,792 INFO L168 Benchmark]: RCFGBuilder took 239.92 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 164.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:23,793 INFO L168 Benchmark]: Sifa took 231.13 ms. Allocated memory is still 199.2 MB. Free memory was 164.8 MB in the beginning and 154.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:23,797 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 135.3 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 226.27 ms. Allocated memory is still 135.3 MB. Free memory was 86.8 MB in the beginning and 77.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.42 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 77.7 MB in the beginning and 176.7 MB in the end (delta: -99.0 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.92 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 164.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Sifa took 231.13 ms. Allocated memory is still 199.2 MB. Free memory was 164.8 MB in the beginning and 154.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 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]: 195, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 12, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 16, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 41, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 12, TOOLS_QUANTIFIERELIM_TIME[ms]: 47, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 31, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 14, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 55, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 32, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 45, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 42, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 6]: 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 19#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...