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 -i ../../../trunk/examples/svcomp/loop-acceleration/array_2-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 11:14:38,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 11:14:38,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 11:14:38,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 11:14:38,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 11:14:38,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 11:14:38,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 11:14:38,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 11:14:38,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 11:14:38,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 11:14:38,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 11:14:38,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 11:14:38,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 11:14:38,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 11:14:38,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 11:14:38,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 11:14:38,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 11:14:38,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 11:14:39,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 11:14:39,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 11:14:39,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 11:14:39,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 11:14:39,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 11:14:39,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 11:14:39,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 11:14:39,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 11:14:39,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 11:14:39,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 11:14:39,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 11:14:39,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 11:14:39,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 11:14:39,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 11:14:39,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 11:14:39,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 11:14:39,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 11:14:39,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 11:14:39,020 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 [2019-09-05 11:14:39,035 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 11:14:39,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 11:14:39,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 11:14:39,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 11:14:39,037 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 11:14:39,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 11:14:39,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 11:14:39,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 11:14:39,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 11:14:39,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 11:14:39,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 11:14:39,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 11:14:39,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 11:14:39,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 11:14:39,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 11:14:39,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 11:14:39,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 11:14:39,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 11:14:39,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 11:14:39,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 11:14:39,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 11:14:39,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 11:14:39,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 11:14:39,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 11:14:39,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 11:14:39,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 11:14:39,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 11:14:39,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 11:14:39,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 11:14:39,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 11:14:39,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 11:14:39,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 11:14:39,089 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 11:14:39,089 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 11:14:39,090 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_2-1.i [2019-09-05 11:14:39,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567ad4973/cbf203916a7c4c4583052a2660790ad7/FLAG69e882180 [2019-09-05 11:14:39,604 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 11:14:39,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_2-1.i [2019-09-05 11:14:39,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567ad4973/cbf203916a7c4c4583052a2660790ad7/FLAG69e882180 [2019-09-05 11:14:39,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/567ad4973/cbf203916a7c4c4583052a2660790ad7 [2019-09-05 11:14:39,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 11:14:39,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 11:14:39,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 11:14:39,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 11:14:39,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 11:14:39,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:14:39" (1/1) ... [2019-09-05 11:14:39,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddf16cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:39, skipping insertion in model container [2019-09-05 11:14:39,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:14:39" (1/1) ... [2019-09-05 11:14:39,981 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 11:14:39,998 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 11:14:40,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:14:40,188 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 11:14:40,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:14:40,232 INFO L192 MainTranslator]: Completed translation [2019-09-05 11:14:40,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:40 WrapperNode [2019-09-05 11:14:40,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 11:14:40,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 11:14:40,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 11:14:40,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 11:14:40,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:40" (1/1) ... [2019-09-05 11:14:40,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:40" (1/1) ... [2019-09-05 11:14:40,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:40" (1/1) ... [2019-09-05 11:14:40,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:40" (1/1) ... [2019-09-05 11:14:40,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:40" (1/1) ... [2019-09-05 11:14:40,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:40" (1/1) ... [2019-09-05 11:14:40,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:40" (1/1) ... [2019-09-05 11:14:40,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 11:14:40,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 11:14:40,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 11:14:40,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 11:14:40,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:40" (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 [2019-09-05 11:14:40,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 11:14:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 11:14:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 11:14:40,424 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 11:14:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 11:14:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 11:14:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 11:14:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-05 11:14:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-05 11:14:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-05 11:14:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-05 11:14:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 11:14:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 11:14:40,625 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 11:14:40,625 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 11:14:40,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:14:40 BoogieIcfgContainer [2019-09-05 11:14:40,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 11:14:40,627 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 11:14:40,627 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 11:14:40,628 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 11:14:40,629 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:14:40" (1/1) ... [2019-09-05 11:14:40,629 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 11:14:40,679 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 11:14:40,679 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 11:14:40,690 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 11:14:40,708 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 11:14:40,710 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 11:14:40,798 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-05 11:14:40,992 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 33 for LOIs [2019-09-05 11:14:40,998 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 11:14:40,999 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 11:14:41,001 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 25#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-05 11:14:41,013 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 11:14:41,013 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 11:14:41,015 INFO L168 Benchmark]: Toolchain (without parser) took 1051.71 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.5 MB in the beginning and 149.5 MB in the end (delta: -61.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:41,016 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 133.7 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 11:14:41,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.57 ms. Allocated memory is still 133.7 MB. Free memory was 88.5 MB in the beginning and 78.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:41,018 INFO L168 Benchmark]: Boogie Preprocessor took 129.84 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 78.4 MB in the beginning and 176.7 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:41,019 INFO L168 Benchmark]: RCFGBuilder took 263.47 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 163.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:41,019 INFO L168 Benchmark]: Sifa took 386.14 ms. Allocated memory is still 200.8 MB. Free memory was 163.5 MB in the beginning and 149.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:41,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 133.7 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 268.57 ms. Allocated memory is still 133.7 MB. Free memory was 88.5 MB in the beginning and 78.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.84 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 78.4 MB in the beginning and 176.7 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 263.47 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 163.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Sifa took 386.14 ms. Allocated memory is still 200.8 MB. Free memory was 163.5 MB in the beginning and 149.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 322 OVERALL_TIME[ms], 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 17 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 13 TOOLS_POST_APPLICATIONS, 119 TOOLS_POST_TIME[ms], 3 TOOLS_POST_CALL_APPLICATIONS, 45 TOOLS_POST_CALL_TIME[ms], 1 TOOLS_POST_RETURN_APPLICATIONS, 2 TOOLS_POST_RETURN_TIME[ms], 152 TOOLS_QUANTIFIERELIM_TIME[ms], 4 FLUID_QUERY_TIME[ms], 19 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 5 DOMAIN_JOIN_APPLICATIONS, 25 DOMAIN_JOIN_TIME[ms], 0 DOMAIN_ALPHA_APPLICATIONS, 0 DOMAIN_ALPHA_TIME[ms], 1 DOMAIN_WIDEN_APPLICATIONS, 5 DOMAIN_WIDEN_TIME[ms], 2 DOMAIN_ISSUBSETEQ_APPLICATIONS, 13 DOMAIN_ISSUBSETEQ_TIME[ms], 1 DOMAIN_ISBOTTOM_APPLICATIONS, 7 DOMAIN_ISBOTTOM_TIME[ms], 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 143 LOOP_SUMMARIZER_OVERALL_TIME[ms], 142 LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 2 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 20 CALL_SUMMARIZER_OVERALL_TIME[ms], 0 CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 22 PROCEDURE_GRAPH_BUILDER_TIME[ms], 4 PATH_EXPR_TIME[ms], 3 REGEX_TO_DAG_TIME[ms], 15 DAG_COMPRESSION_TIME[ms], 53 DAG_COMPRESSION_PROCESSED_NODES, 34 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 4]: 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 25#(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...