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/loops/ludcmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:24:24,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:24:24,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:24:24,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:24:24,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:24:24,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:24:24,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:24:24,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:24:24,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:24:24,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:24:24,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:24:24,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:24:24,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:24:24,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:24:24,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:24:24,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:24:24,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:24:24,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:24:24,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:24:24,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:24:24,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:24:24,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:24:24,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:24:24,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:24:24,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:24:24,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:24:24,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:24:24,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:24:24,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:24:24,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:24:24,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:24:24,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:24:24,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:24:24,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:24:24,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:24:24,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:24:24,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:24:24,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:24:24,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:24:24,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:24:24,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:24:24,287 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 22:24:24,309 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:24:24,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:24:24,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:24:24,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:24:24,312 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:24:24,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:24:24,313 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:24:24,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:24:24,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:24:24,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:24:24,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:24:24,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:24:24,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:24:24,315 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:24:24,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:24:24,316 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:24:24,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:24:24,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:24:24,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:24:24,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:24:24,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:24:24,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:24:24,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:24:24,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:24:24,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:24:24,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:24:24,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:24:24,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:24:24,319 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 [2019-09-20 22:24:24,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:24:24,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:24:24,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:24:24,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:24:24,403 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:24:24,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/ludcmp.c [2019-09-20 22:24:24,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b89e64d1/88c381e5b9b84ca389874610778b0d58/FLAGf43d81780 [2019-09-20 22:24:24,905 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:24:24,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/ludcmp.c [2019-09-20 22:24:24,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b89e64d1/88c381e5b9b84ca389874610778b0d58/FLAGf43d81780 [2019-09-20 22:24:25,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b89e64d1/88c381e5b9b84ca389874610778b0d58 [2019-09-20 22:24:25,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:24:25,305 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:24:25,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:25,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:24:25,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:24:25,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e572f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25, skipping insertion in model container [2019-09-20 22:24:25,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,320 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:24:25,350 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:24:25,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:25,645 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:24:25,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:24:25,706 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:24:25,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25 WrapperNode [2019-09-20 22:24:25,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:24:25,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:24:25,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:24:25,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:24:25,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25" (1/1) ... [2019-09-20 22:24:25,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:24:25,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:24:25,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:24:25,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:24:25,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:24:25" (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 22:24:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:24:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:24:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 22:24:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-09-20 22:24:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:24:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-09-20 22:24:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:24:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 22:24:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-09-20 22:24:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-09-20 22:24:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:24:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-20 22:24:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-20 22:24:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:24:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:24:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:24:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:24:26,461 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:24:26,461 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-09-20 22:24:26,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:24:26 BoogieIcfgContainer [2019-09-20 22:24:26,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:24:26,463 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:24:26,464 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:24:26,464 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:24:26,465 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:24:26" (1/1) ... [2019-09-20 22:24:26,466 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 [2019-09-20 22:24:26,500 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:24:26,501 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:24:26,515 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:24:26,525 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:24:26,526 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:24:26,759 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 22:24:26,964 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-20 22:24:27,181 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-20 22:24:27,411 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 22:24:27,421 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:24:27,422 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:24:27,424 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 66#(= 0 __VERIFIER_assert_~cond) [2019-09-20 22:24:27,438 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:24:27,438 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:24:27,440 INFO L168 Benchmark]: Toolchain (without parser) took 2135.31 ms. Allocated memory was 132.6 MB in the beginning and 222.3 MB in the end (delta: 89.7 MB). Free memory was 88.8 MB in the beginning and 153.7 MB in the end (delta: -64.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:27,446 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:24:27,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.59 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 88.6 MB in the beginning and 172.4 MB in the end (delta: -83.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:27,448 INFO L168 Benchmark]: Boogie Preprocessor took 58.12 ms. Allocated memory is still 198.2 MB. Free memory was 172.4 MB in the beginning and 169.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:27,449 INFO L168 Benchmark]: RCFGBuilder took 697.03 ms. Allocated memory is still 198.2 MB. Free memory was 169.9 MB in the beginning and 125.6 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2019-09-20 22:24:27,449 INFO L168 Benchmark]: Sifa took 975.00 ms. Allocated memory was 198.2 MB in the beginning and 222.3 MB in the end (delta: 24.1 MB). Free memory was 125.6 MB in the beginning and 153.7 MB in the end (delta: -28.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:24:27,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 401.59 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 88.6 MB in the beginning and 172.4 MB in the end (delta: -83.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.12 ms. Allocated memory is still 198.2 MB. Free memory was 172.4 MB in the beginning and 169.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 697.03 ms. Allocated memory is still 198.2 MB. Free memory was 169.9 MB in the beginning and 125.6 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. * Sifa took 975.00 ms. Allocated memory was 198.2 MB in the beginning and 222.3 MB in the end (delta: 24.1 MB). Free memory was 125.6 MB in the beginning and 153.7 MB in the end (delta: -28.1 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]: 924, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 24, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 17, TOOLS_POST_TIME[ms]: 622, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_APPLICATIONS: 23, TOOLS_QUANTIFIERELIM_TIME[ms]: 634, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 465, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 27, FLUID_YES_ANSWERS: 27, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 163, DOMAIN_ALPHA_APPLICATIONS: 27, DOMAIN_ALPHA_TIME[ms]: 39, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 209, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 208, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 612, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 612, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 60, DAG_COMPRESSION_RETAINED_NODES: 38 - 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 66#(= 0 __VERIFIER_assert_~cond). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...