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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/sum01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 15:20:42,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:20:42,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:20:42,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:20:42,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:20:42,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:20:42,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:20:42,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:20:42,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:20:42,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:20:42,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:20:42,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:20:42,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:20:42,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:20:42,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:20:42,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:20:42,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:20:42,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:20:42,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:20:42,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:20:42,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:20:42,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:20:42,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:20:42,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:20:42,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 15:20:42,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 15:20:42,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 15:20:42,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 15:20:42,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 15:20:42,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 15:20:42,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:20:42,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:20:42,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:20:42,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:20:42,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:20:42,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:20:42,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:20:42,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:20:42,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:20:42,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:20:42,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:20:42,401 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 [2019-09-17 15:20:42,423 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:20:42,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:20:42,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:20:42,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:20:42,426 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:20:42,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:20:42,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:20:42,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:20:42,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:20:42,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:20:42,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:20:42,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:20:42,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:20:42,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:20:42,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:20:42,430 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:20:42,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:20:42,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:20:42,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:20:42,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:20:42,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:20:42,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:20:42,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:20:42,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:20:42,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:20:42,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:20:42,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:20:42,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:20:42,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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_DDA [2019-09-17 15:20:42,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:20:42,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:20:42,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:20:42,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:20:42,520 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:20:42,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01-2.i [2019-09-17 15:20:42,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/053e8bf57/491d9159ef0a46408c07912f2b38278e/FLAG032d8c2b6 [2019-09-17 15:20:43,064 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:20:43,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01-2.i [2019-09-17 15:20:43,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/053e8bf57/491d9159ef0a46408c07912f2b38278e/FLAG032d8c2b6 [2019-09-17 15:20:43,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/053e8bf57/491d9159ef0a46408c07912f2b38278e [2019-09-17 15:20:43,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:20:43,571 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:20:43,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:20:43,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:20:43,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:20:43,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:20:43" (1/1) ... [2019-09-17 15:20:43,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e9095a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:43, skipping insertion in model container [2019-09-17 15:20:43,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:20:43" (1/1) ... [2019-09-17 15:20:43,587 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:20:43,602 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:20:43,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:20:43,783 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:20:43,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:20:43,811 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:20:43,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:43 WrapperNode [2019-09-17 15:20:43,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:20:43,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:20:43,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:20:43,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:20:43,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:43" (1/1) ... [2019-09-17 15:20:43,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:43" (1/1) ... [2019-09-17 15:20:43,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:43" (1/1) ... [2019-09-17 15:20:43,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:43" (1/1) ... [2019-09-17 15:20:43,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:43" (1/1) ... [2019-09-17 15:20:43,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:43" (1/1) ... [2019-09-17 15:20:43,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:43" (1/1) ... [2019-09-17 15:20:43,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:20:43,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:20:43,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:20:43,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:20:43,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:43" (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 [2019-09-17 15:20:43,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:20:43,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:20:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 15:20:43,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:20:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:20:43,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 15:20:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 15:20:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 15:20:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:20:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:20:43,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:20:44,157 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:20:44,158 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 15:20:44,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:20:44 BoogieIcfgContainer [2019-09-17 15:20:44,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:20:44,160 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:20:44,160 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:20:44,160 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:20:44,162 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:20:44" (1/1) ... [2019-09-17 15:20:44,162 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 15:20:44,216 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:20:44,217 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:20:44,235 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:20:44,256 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:20:44,258 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:20:44,340 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 15:20:45,460 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2019-09-17 15:20:45,622 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-17 15:20:46,028 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2019-09-17 15:20:46,140 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-17 15:20:46,194 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 15:20:46,194 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 15:20:46,198 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 65#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 15:20:46,219 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 15:20:46,220 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 15:20:46,224 INFO L168 Benchmark]: Toolchain (without parser) took 2650.32 ms. Allocated memory was 135.3 MB in the beginning and 268.4 MB in the end (delta: 133.2 MB). Free memory was 86.0 MB in the beginning and 237.9 MB in the end (delta: -151.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 15:20:46,226 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 135.3 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 15:20:46,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.89 ms. Allocated memory is still 135.3 MB. Free memory was 85.8 MB in the beginning and 76.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-17 15:20:46,229 INFO L168 Benchmark]: Boogie Preprocessor took 113.29 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 76.3 MB in the beginning and 175.6 MB in the end (delta: -99.3 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-17 15:20:46,231 INFO L168 Benchmark]: RCFGBuilder took 233.70 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 163.3 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-09-17 15:20:46,241 INFO L168 Benchmark]: Sifa took 2060.24 ms. Allocated memory was 198.2 MB in the beginning and 268.4 MB in the end (delta: 70.3 MB). Free memory was 163.3 MB in the beginning and 237.9 MB in the end (delta: -74.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 15:20:46,254 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 135.3 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.89 ms. Allocated memory is still 135.3 MB. Free memory was 85.8 MB in the beginning and 76.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.29 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 76.3 MB in the beginning and 175.6 MB in the end (delta: -99.3 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 233.70 ms. Allocated memory is still 198.2 MB. Free memory was 175.6 MB in the beginning and 163.3 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Sifa took 2060.24 ms. Allocated memory was 198.2 MB in the beginning and 268.4 MB in the end (delta: 70.3 MB). Free memory was 163.3 MB in the beginning and 237.9 MB in the end (delta: -74.7 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]: 1982, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 16, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 12, TOOLS_POST_TIME[ms]: 37, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 30, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 16, TOOLS_QUANTIFIERELIM_TIME[ms]: 52, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 946, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 844, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1763, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1762, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 24, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 24, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 14, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 12, 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 65#(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...