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/loops/sum01_bug02.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:05:22,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:05:22,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:05:22,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:05:22,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:05:22,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:05:22,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:05:22,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:05:22,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:05:22,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:05:22,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:05:22,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:05:22,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:05:22,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:05:22,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:05:22,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:05:22,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:05:22,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:05:22,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:05:22,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:05:22,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:05:22,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:05:22,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:05:22,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:05:22,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 02:05:22,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:05:22,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:05:22,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:05:22,556 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 02:05:22,570 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:05:22,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:05:22,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:05:22,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:05:22,572 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:05:22,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:05:22,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:05:22,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:05:22,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:05:22,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:05:22,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:05:22,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:05:22,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:05:22,574 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:05:22,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:05:22,575 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:05:22,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:05:22,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:05:22,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:05:22,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:05:22,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:05:22,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:05:22,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:05:22,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:05:22,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:05:22,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:05:22,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:05:22,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:05:22,577 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 02:05:22,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:05:22,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:05:22,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:05:22,628 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:05:22,629 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:05:22,630 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01_bug02.i [2019-09-17 02:05:22,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/247195c0d/7b6818178a2d402a89c77d4b5ce46fdd/FLAGe70463e13 [2019-09-17 02:05:23,138 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:05:23,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01_bug02.i [2019-09-17 02:05:23,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/247195c0d/7b6818178a2d402a89c77d4b5ce46fdd/FLAGe70463e13 [2019-09-17 02:05:23,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/247195c0d/7b6818178a2d402a89c77d4b5ce46fdd [2019-09-17 02:05:23,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:05:23,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:05:23,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:05:23,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:05:23,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:05:23,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab3a346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23, skipping insertion in model container [2019-09-17 02:05:23,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,562 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:05:23,582 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:05:23,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:05:23,805 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:05:23,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:05:23,840 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:05:23,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23 WrapperNode [2019-09-17 02:05:23,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:05:23,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:05:23,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:05:23,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:05:23,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (1/1) ... [2019-09-17 02:05:23,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:05:23,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:05:23,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:05:23,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:05:23,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:05:23" (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 [2019-09-17 02:05:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:05:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:05:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 02:05:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:05:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:05:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 02:05:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-17 02:05:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:05:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:05:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:05:24,245 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:05:24,246 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 02:05:24,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:05:24 BoogieIcfgContainer [2019-09-17 02:05:24,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:05:24,247 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:05:24,248 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:05:24,248 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:05:24,249 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:05:24" (1/1) ... [2019-09-17 02:05:24,250 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 02:05:24,289 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:05:24,290 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:05:24,317 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:05:24,331 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:05:24,333 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:05:24,386 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 02:05:24,528 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-17 02:05:24,538 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:05:24,538 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:05:24,541 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 30#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 02:05:24,554 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:05:24,554 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:05:24,556 INFO L168 Benchmark]: Toolchain (without parser) took 1014.19 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 151.1 MB in the end (delta: -66.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 02:05:24,557 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:05:24,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.84 ms. Allocated memory is still 137.9 MB. Free memory was 84.2 MB in the beginning and 74.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:24,560 INFO L168 Benchmark]: Boogie Preprocessor took 118.16 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.8 MB in the beginning and 176.0 MB in the end (delta: -101.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:24,561 INFO L168 Benchmark]: RCFGBuilder took 287.68 ms. Allocated memory is still 198.2 MB. Free memory was 176.0 MB in the beginning and 162.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:24,561 INFO L168 Benchmark]: Sifa took 306.90 ms. Allocated memory is still 198.2 MB. Free memory was 162.1 MB in the beginning and 151.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-17 02:05:24,565 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 137.9 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.84 ms. Allocated memory is still 137.9 MB. Free memory was 84.2 MB in the beginning and 74.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.16 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.8 MB in the beginning and 176.0 MB in the end (delta: -101.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 287.68 ms. Allocated memory is still 198.2 MB. Free memory was 176.0 MB in the beginning and 162.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Sifa took 306.90 ms. Allocated memory is still 198.2 MB. Free memory was 162.1 MB in the beginning and 151.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 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]: 252, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 110, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 12, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 104, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 44, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 3, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 2, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 105, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 105, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28 - 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 30#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 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...