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 SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:45:23,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:45:23,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:45:23,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:45:23,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:45:23,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:45:23,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:45:23,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:45:23,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:45:23,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:45:23,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:45:23,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:45:23,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:45:23,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:45:23,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:45:23,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:45:23,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:45:23,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:45:23,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:45:23,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:45:23,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:45:23,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:45:23,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:45:23,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:45:23,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 15:45:23,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:45:23,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:45:23,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:45:23,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:45:23,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:45:23,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:45:23,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:45:23,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:45:23,576 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:45:23,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:45:23,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:45:23,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:45:23,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:45:23,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:45:23,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:45:23,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:45:23,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:45:23,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:45:23,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:45:23,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:45:23,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:45:23,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:45:23,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:45:23,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:45:23,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:45:23,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:45:23,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:45:23,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:45:23,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:45:23,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:45:23,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:45:23,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:45:23,583 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 -> SIMPLIFY_QUICK [2019-09-20 15:45:23,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:45:23,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:45:23,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:45:23,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:45:23,673 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:45:23,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test11.c [2019-09-20 15:45:23,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9df3007/a745df834c484920b275ced84606ba39/FLAG6981f3810 [2019-09-20 15:45:24,213 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:45:24,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test11.c [2019-09-20 15:45:24,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9df3007/a745df834c484920b275ced84606ba39/FLAG6981f3810 [2019-09-20 15:45:24,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a9df3007/a745df834c484920b275ced84606ba39 [2019-09-20 15:45:24,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:45:24,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:45:24,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:45:24,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:45:24,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:45:24,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:45:24" (1/1) ... [2019-09-20 15:45:24,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7419ad4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:24, skipping insertion in model container [2019-09-20 15:45:24,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:45:24" (1/1) ... [2019-09-20 15:45:24,589 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:45:24,603 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:45:24,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:45:24,784 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:45:24,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:45:24,820 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:45:24,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:24 WrapperNode [2019-09-20 15:45:24,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:45:24,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:45:24,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:45:24,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:45:24,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:24" (1/1) ... [2019-09-20 15:45:24,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:24" (1/1) ... [2019-09-20 15:45:24,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:24" (1/1) ... [2019-09-20 15:45:24,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:24" (1/1) ... [2019-09-20 15:45:24,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:24" (1/1) ... [2019-09-20 15:45:24,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:24" (1/1) ... [2019-09-20 15:45:24,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:24" (1/1) ... [2019-09-20 15:45:24,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:45:24,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:45:24,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:45:24,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:45:24,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:45:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:45:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:45:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-20 15:45:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:45:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:45:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:45:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 15:45:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-20 15:45:24,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:45:24,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:45:24,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:45:24,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:45:24,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:45:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:45:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:45:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:45:25,393 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:45:25,394 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 15:45:25,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:45:25 BoogieIcfgContainer [2019-09-20 15:45:25,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:45:25,396 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:45:25,396 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:45:25,396 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:45:25,397 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:45:25" (1/1) ... [2019-09-20 15:45:25,398 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=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:45:25,416 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:45:25,416 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:45:25,424 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:45:25,432 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:45:25,434 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:45:25,774 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 48 for LOIs [2019-09-20 15:45:26,170 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:45:26,170 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:45:26,172 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 25#true [2019-09-20 15:45:26,188 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:45:26,189 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:45:26,191 INFO L168 Benchmark]: Toolchain (without parser) took 1617.09 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.5 MB in the beginning and 109.0 MB in the end (delta: -21.4 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:26,192 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:45:26,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.63 ms. Allocated memory is still 132.1 MB. Free memory was 87.3 MB in the beginning and 77.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:26,194 INFO L168 Benchmark]: Boogie Preprocessor took 124.07 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 77.3 MB in the beginning and 175.0 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:26,195 INFO L168 Benchmark]: RCFGBuilder took 449.40 ms. Allocated memory is still 198.7 MB. Free memory was 175.0 MB in the beginning and 151.5 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:26,197 INFO L168 Benchmark]: Sifa took 793.25 ms. Allocated memory is still 198.7 MB. Free memory was 151.5 MB in the beginning and 109.0 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:26,200 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.63 ms. Allocated memory is still 132.1 MB. Free memory was 87.3 MB in the beginning and 77.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.07 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 77.3 MB in the beginning and 175.0 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 449.40 ms. Allocated memory is still 198.7 MB. Free memory was 175.0 MB in the beginning and 151.5 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Sifa took 793.25 ms. Allocated memory is still 198.7 MB. Free memory was 151.5 MB in the beginning and 109.0 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 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]: 756, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 11, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 322, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 283, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 19, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 604, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 256, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 11, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 49, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 286, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 285, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 24 - UnprovableResult [Line: 30]: 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#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...