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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/sum01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:14:54,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:14:54,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:14:54,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:14:54,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:14:54,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:14:54,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:14:54,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:14:54,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:14:54,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:14:54,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:14:54,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:14:54,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:14:54,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:14:54,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:14:54,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:14:54,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:14:54,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:14:54,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:14:54,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:14:54,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:14:54,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:14:54,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:14:54,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:14:54,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:14:54,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:14:54,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:14:54,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:14:54,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:14:54,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:14:54,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:14:54,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:14:54,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:14:54,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:14:54,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:14:54,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:14:54,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:14:54,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:14:54,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:14:54,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:14:54,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:14:54,391 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 23:14:54,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:14:54,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:14:54,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:14:54,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:14:54,411 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:14:54,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:14:54,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:14:54,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:14:54,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:14:54,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:14:54,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:14:54,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:14:54,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:14:54,414 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:14:54,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:14:54,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:14:54,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:14:54,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:14:54,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:14:54,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:14:54,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:14:54,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:14:54,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:14:54,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:14:54,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:14:54,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:14:54,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:14:54,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:14:54,417 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:14:54,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:14:54,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:14:54,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:14:54,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:14:54,492 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:14:54,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01-2.i [2019-09-20 23:14:54,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3d24d9e/0e2d18c72ead4e92866ee9853912ce8a/FLAGad970fa90 [2019-09-20 23:14:54,953 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:14:54,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01-2.i [2019-09-20 23:14:54,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3d24d9e/0e2d18c72ead4e92866ee9853912ce8a/FLAGad970fa90 [2019-09-20 23:14:55,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3d24d9e/0e2d18c72ead4e92866ee9853912ce8a [2019-09-20 23:14:55,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:14:55,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:14:55,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:14:55,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:14:55,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:14:55,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:14:55" (1/1) ... [2019-09-20 23:14:55,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cfb177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:14:55, skipping insertion in model container [2019-09-20 23:14:55,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:14:55" (1/1) ... [2019-09-20 23:14:55,416 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:14:55,432 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:14:55,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:14:55,675 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:14:55,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:14:55,707 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:14:55,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:14:55 WrapperNode [2019-09-20 23:14:55,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:14:55,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:14:55,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:14:55,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:14:55,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:14:55" (1/1) ... [2019-09-20 23:14:55,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:14:55" (1/1) ... [2019-09-20 23:14:55,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:14:55" (1/1) ... [2019-09-20 23:14:55,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:14:55" (1/1) ... [2019-09-20 23:14:55,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:14:55" (1/1) ... [2019-09-20 23:14:55,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:14:55" (1/1) ... [2019-09-20 23:14:55,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:14:55" (1/1) ... [2019-09-20 23:14:55,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:14:55,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:14:55,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:14:55,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:14:55,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:14:55" (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 23:14:55,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:14:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:14:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 23:14:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:14:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:14:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:14:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:14:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:14:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:14:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:14:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:14:56,122 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:14:56,122 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 23:14:56,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:14:56 BoogieIcfgContainer [2019-09-20 23:14:56,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:14:56,125 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:14:56,125 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:14:56,126 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:14:56,127 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:14:56" (1/1) ... [2019-09-20 23:14:56,128 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:14:56,177 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:14:56,178 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:14:56,195 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:14:56,208 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:14:56,210 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:14:56,258 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 23:14:57,033 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-20 23:14:57,218 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 23:14:57,244 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 23:14:57,266 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:14:57,266 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:14:57,269 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 43#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 23:14:57,289 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:14:57,289 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:14:57,292 INFO L168 Benchmark]: Toolchain (without parser) took 1891.10 ms. Allocated memory was 138.9 MB in the beginning and 221.2 MB in the end (delta: 82.3 MB). Free memory was 86.5 MB in the beginning and 183.4 MB in the end (delta: -96.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 23:14:57,294 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:14:57,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.34 ms. Allocated memory is still 138.9 MB. Free memory was 86.1 MB in the beginning and 76.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 23:14:57,297 INFO L168 Benchmark]: Boogie Preprocessor took 122.73 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 76.8 MB in the beginning and 176.1 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-20 23:14:57,299 INFO L168 Benchmark]: RCFGBuilder took 290.25 ms. Allocated memory is still 198.7 MB. Free memory was 176.1 MB in the beginning and 163.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:14:57,308 INFO L168 Benchmark]: Sifa took 1164.03 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 163.6 MB in the beginning and 183.4 MB in the end (delta: -19.8 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:14:57,317 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 138.9 MB. Free memory was 105.1 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 308.34 ms. Allocated memory is still 138.9 MB. Free memory was 86.1 MB in the beginning and 76.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.73 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 76.8 MB in the beginning and 176.1 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 290.25 ms. Allocated memory is still 198.7 MB. Free memory was 176.1 MB in the beginning and 163.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Sifa took 1164.03 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 163.6 MB in the beginning and 183.4 MB in the end (delta: -19.8 MB). Peak memory consumption was 2.7 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]: 1092, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 16, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 12, TOOLS_POST_TIME[ms]: 34, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 13, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 16, TOOLS_QUANTIFIERELIM_TIME[ms]: 33, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 8, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 433, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 515, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 963, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 962, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 47, DAG_COMPRESSION_RETAINED_NODES: 30 - UnprovableResult [Line: 6]: 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 43#(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...