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/ldv-regression/test25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:03:20,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:03:20,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:03:20,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:03:20,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:03:20,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:03:20,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:03:20,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:03:20,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:03:20,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:03:20,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:03:20,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:03:20,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:03:20,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:03:20,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:03:20,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:03:20,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:03:20,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:03:20,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:03:20,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:03:20,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:03:20,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:03:20,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:03:20,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:03:20,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-19 17:03:20,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:03:20,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:03:20,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:03:20,551 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 [2019-09-19 17:03:20,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:03:20,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:03:20,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:03:20,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:03:20,567 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:03:20,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:03:20,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:03:20,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:03:20,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:03:20,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:03:20,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:03:20,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:03:20,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:03:20,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:03:20,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:03:20,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:03:20,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:03:20,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:03:20,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:03:20,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:03:20,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:03:20,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:03:20,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:03:20,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:03:20,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:03:20,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:03:20,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:03:20,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:03:20,572 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 [2019-09-19 17:03:20,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:03:20,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:03:20,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:03:20,620 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:03:20,621 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:03:20,621 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-2.c [2019-09-19 17:03:20,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad24f981/8848b678183d4a46b95d83779d3da1b8/FLAG085636ae9 [2019-09-19 17:03:21,150 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:03:21,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-2.c [2019-09-19 17:03:21,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad24f981/8848b678183d4a46b95d83779d3da1b8/FLAG085636ae9 [2019-09-19 17:03:21,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad24f981/8848b678183d4a46b95d83779d3da1b8 [2019-09-19 17:03:21,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:03:21,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:03:21,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:03:21,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:03:21,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:03:21,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:03:21" (1/1) ... [2019-09-19 17:03:21,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dca166d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:21, skipping insertion in model container [2019-09-19 17:03:21,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:03:21" (1/1) ... [2019-09-19 17:03:21,573 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:03:21,594 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:03:21,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:03:21,859 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:03:21,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:03:22,005 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:03:22,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:22 WrapperNode [2019-09-19 17:03:22,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:03:22,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:03:22,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:03:22,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:03:22,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:22" (1/1) ... [2019-09-19 17:03:22,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:22" (1/1) ... [2019-09-19 17:03:22,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:22" (1/1) ... [2019-09-19 17:03:22,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:22" (1/1) ... [2019-09-19 17:03:22,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:22" (1/1) ... [2019-09-19 17:03:22,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:22" (1/1) ... [2019-09-19 17:03:22,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:22" (1/1) ... [2019-09-19 17:03:22,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:03:22,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:03:22,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:03:22,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:03:22,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:22" (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 [2019-09-19 17:03:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:03:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:03:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-19 17:03:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:03:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:03:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:03:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-19 17:03:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:03:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:03:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:03:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:03:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:03:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:03:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:03:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:03:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:03:22,510 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:03:22,510 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-19 17:03:22,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:03:22 BoogieIcfgContainer [2019-09-19 17:03:22,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:03:22,512 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:03:22,512 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:03:22,512 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:03:22,515 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:03:22" (1/1) ... [2019-09-19 17:03:22,515 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 [2019-09-19 17:03:22,537 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:03:22,537 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:03:22,544 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:03:22,553 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:03:22,554 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:03:22,706 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-19 17:03:23,427 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:03:23,435 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:03:23,439 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 68#true [2019-09-19 17:03:23,452 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:03:23,452 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:03:23,454 INFO L168 Benchmark]: Toolchain (without parser) took 1900.36 ms. Allocated memory was 133.2 MB in the beginning and 223.9 MB in the end (delta: 90.7 MB). Free memory was 88.8 MB in the beginning and 196.6 MB in the end (delta: -107.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:03:23,455 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:03:23,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.34 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.3 MB in the beginning and 175.0 MB in the end (delta: -86.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:23,456 INFO L168 Benchmark]: Boogie Preprocessor took 57.80 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 173.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:23,457 INFO L168 Benchmark]: RCFGBuilder took 446.95 ms. Allocated memory is still 199.2 MB. Free memory was 173.2 MB in the beginning and 154.4 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:23,458 INFO L168 Benchmark]: Sifa took 940.26 ms. Allocated memory was 199.2 MB in the beginning and 223.9 MB in the end (delta: 24.6 MB). Free memory was 154.4 MB in the beginning and 196.6 MB in the end (delta: -42.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 17:03:23,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 451.34 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.3 MB in the beginning and 175.0 MB in the end (delta: -86.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.80 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 173.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 446.95 ms. Allocated memory is still 199.2 MB. Free memory was 173.2 MB in the beginning and 154.4 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Sifa took 940.26 ms. Allocated memory was 199.2 MB in the beginning and 223.9 MB in the end (delta: 24.6 MB). Free memory was 154.4 MB in the beginning and 196.6 MB in the end (delta: -42.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 903, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 24, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 17, TOOLS_POST_TIME[ms]: 596, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_APPLICATIONS: 26, TOOLS_QUANTIFIERELIM_TIME[ms]: 607, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 260, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 26, FLUID_YES_ANSWERS: 26, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 145, DOMAIN_ALPHA_APPLICATIONS: 26, DOMAIN_ALPHA_TIME[ms]: 43, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 305, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 304, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 116, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 116, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 113, DAG_COMPRESSION_RETAINED_NODES: 43 - UnprovableResult [Line: 48]: 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 68#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...