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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:23:25,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:23:25,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:23:25,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:23:25,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:23:25,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:23:25,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:23:25,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:23:25,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:23:25,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:23:25,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:23:25,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:23:25,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:23:25,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:23:25,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:23:25,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:23:25,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:23:25,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:23:25,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:23:25,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:23:25,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:23:25,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:23:25,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:23:25,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:23:25,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:23:25,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:23:25,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:23:25,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:23:25,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:23:25,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:23:25,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:23:25,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:23:25,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:23:25,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:23:25,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:23:25,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:23:25,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:23:25,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:23:25,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:23:25,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:23:25,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:23:25,548 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 18:23:25,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:23:25,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:23:25,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:23:25,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:23:25,564 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:23:25,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:23:25,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:23:25,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:23:25,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:23:25,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:23:25,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:23:25,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:23:25,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:23:25,566 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:23:25,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:23:25,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:23:25,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:23:25,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:23:25,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:23:25,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:23:25,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:23:25,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:23:25,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:23:25,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:23:25,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:23:25,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:23:25,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:23:25,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:23:25,569 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 -> SequenceOfStatements 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_DDA [2019-09-20 18:23:25,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:23:25,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:23:25,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:23:25,621 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:23:25,621 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:23:25,622 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2019-09-20 18:23:25,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d4a9964/3289e33859a64ce290bc2f47bf2b7671/FLAG7609b1103 [2019-09-20 18:23:26,168 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:23:26,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2019-09-20 18:23:26,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d4a9964/3289e33859a64ce290bc2f47bf2b7671/FLAG7609b1103 [2019-09-20 18:23:26,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d4a9964/3289e33859a64ce290bc2f47bf2b7671 [2019-09-20 18:23:26,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:23:26,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:23:26,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:23:26,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:23:26,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:23:26,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:23:26" (1/1) ... [2019-09-20 18:23:26,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30588995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:26, skipping insertion in model container [2019-09-20 18:23:26,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:23:26" (1/1) ... [2019-09-20 18:23:26,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:23:26,547 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:23:26,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:23:26,774 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:23:26,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:23:26,925 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:23:26,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:26 WrapperNode [2019-09-20 18:23:26,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:23:26,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:23:26,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:23:26,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:23:26,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:26" (1/1) ... [2019-09-20 18:23:26,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:26" (1/1) ... [2019-09-20 18:23:26,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:26" (1/1) ... [2019-09-20 18:23:26,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:26" (1/1) ... [2019-09-20 18:23:26,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:26" (1/1) ... [2019-09-20 18:23:26,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:26" (1/1) ... [2019-09-20 18:23:26,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:26" (1/1) ... [2019-09-20 18:23:26,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:23:26,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:23:26,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:23:26,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:23:26,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:26" (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 18:23:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:23:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:23:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 18:23:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-09-20 18:23:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:23:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-09-20 18:23:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 18:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-09-20 18:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-09-20 18:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-20 18:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-20 18:23:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:23:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:23:27,548 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:23:27,548 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-09-20 18:23:27,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:23:27 BoogieIcfgContainer [2019-09-20 18:23:27,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:23:27,550 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:23:27,550 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:23:27,551 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:23:27,552 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:23:27" (1/1) ... [2019-09-20 18:23:27,553 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:23:27,583 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:23:27,583 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:23:27,591 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:23:27,599 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:23:27,600 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:23:27,846 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 18:23:28,100 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-20 18:23:28,328 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 55 for LOIs [2019-09-20 18:23:29,918 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 18:23:30,134 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 18:23:30,150 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:23:30,150 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:23:30,153 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 138#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 18:23:30,171 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:23:30,171 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:23:30,174 INFO L168 Benchmark]: Toolchain (without parser) took 3661.86 ms. Allocated memory was 135.3 MB in the beginning and 230.7 MB in the end (delta: 95.4 MB). Free memory was 91.3 MB in the beginning and 130.0 MB in the end (delta: -38.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:30,182 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:23:30,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.98 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 91.1 MB in the beginning and 177.1 MB in the end (delta: -86.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:30,185 INFO L168 Benchmark]: Boogie Preprocessor took 55.20 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 174.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:30,186 INFO L168 Benchmark]: RCFGBuilder took 568.19 ms. Allocated memory is still 201.3 MB. Free memory was 173.5 MB in the beginning and 146.8 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:30,187 INFO L168 Benchmark]: Sifa took 2621.18 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 146.8 MB in the beginning and 130.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 46.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:30,200 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 412.98 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 91.1 MB in the beginning and 177.1 MB in the end (delta: -86.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.20 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 174.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 568.19 ms. Allocated memory is still 201.3 MB. Free memory was 173.5 MB in the beginning and 146.8 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Sifa took 2621.18 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 146.8 MB in the beginning and 130.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 46.1 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]: 2570, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 83, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 61, TOOLS_POST_TIME[ms]: 656, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 29, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_APPLICATIONS: 66, TOOLS_QUANTIFIERELIM_TIME[ms]: 668, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 532, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 91, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 27, DOMAIN_JOIN_TIME[ms]: 522, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1204, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 33, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1699, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1698, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 695, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 695, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 117, DAG_COMPRESSION_RETAINED_NODES: 68 - 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 138#(and (= 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...