java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/nla-digbench/fermat2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:43:45,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:43:45,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:43:45,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:43:45,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:43:45,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:43:45,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:43:45,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:43:45,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:43:45,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:43:45,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:43:45,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:43:45,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:43:45,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:43:45,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:43:45,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:43:45,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:43:45,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:43:45,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:43:45,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:43:45,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:43:45,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:43:45,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:43:45,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:43:45,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:43:45,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:43:45,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:43:45,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:43:45,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:43:45,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:43:45,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:43:45,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:43:45,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:43:45,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:43:45,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:43:45,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:43:45,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:43:45,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:43:45,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:43:45,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:43:45,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:43:45,335 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:43:45,349 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:43:45,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:43:45,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:43:45,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:43:45,352 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:43:45,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:43:45,352 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:43:45,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:43:45,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:43:45,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:43:45,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:43:45,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:43:45,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:43:45,353 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:43:45,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:43:45,354 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:43:45,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:43:45,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:43:45,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:43:45,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:43:45,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:43:45,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:43:45,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:43:45,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:43:45,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:43:45,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:43:45,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:43:45,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:43:45,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:43:45,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:43:45,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:43:45,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:43:45,423 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:43:45,423 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:43:45,424 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/fermat2.c [2019-09-20 15:43:45,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708fd9d2b/6e942a0a9fbc41a3a6d0ac07987acbff/FLAG399b527f5 [2019-09-20 15:43:45,894 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:43:45,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/fermat2.c [2019-09-20 15:43:45,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708fd9d2b/6e942a0a9fbc41a3a6d0ac07987acbff/FLAG399b527f5 [2019-09-20 15:43:46,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708fd9d2b/6e942a0a9fbc41a3a6d0ac07987acbff [2019-09-20 15:43:46,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:43:46,311 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:43:46,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:43:46,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:43:46,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:43:46,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:43:46" (1/1) ... [2019-09-20 15:43:46,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521750fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:46, skipping insertion in model container [2019-09-20 15:43:46,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:43:46" (1/1) ... [2019-09-20 15:43:46,326 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:43:46,346 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:43:46,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:43:46,538 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:43:46,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:43:46,568 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:43:46,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:46 WrapperNode [2019-09-20 15:43:46,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:43:46,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:43:46,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:43:46,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:43:46,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:46" (1/1) ... [2019-09-20 15:43:46,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:46" (1/1) ... [2019-09-20 15:43:46,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:46" (1/1) ... [2019-09-20 15:43:46,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:46" (1/1) ... [2019-09-20 15:43:46,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:46" (1/1) ... [2019-09-20 15:43:46,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:46" (1/1) ... [2019-09-20 15:43:46,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:46" (1/1) ... [2019-09-20 15:43:46,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:43:46,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:43:46,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:43:46,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:43:46,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:43:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:43:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:43:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 15:43:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:43:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:43:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-20 15:43:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 15:43:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 15:43:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:43:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:43:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:43:46,985 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:43:46,985 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 15:43:46,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:43:46 BoogieIcfgContainer [2019-09-20 15:43:46,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:43:46,987 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:43:46,987 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:43:46,988 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:43:46,989 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:43:46" (1/1) ... [2019-09-20 15:43:46,990 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:43:47,012 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:43:47,012 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:43:47,020 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:43:47,037 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:43:47,042 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:43:47,158 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 15:43:47,684 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 15:43:47,687 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:43:47,687 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:43:47,689 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 59#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 15:43:47,710 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:43:47,710 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:43:47,713 INFO L168 Benchmark]: Toolchain (without parser) took 1400.72 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 87.4 MB in the beginning and 128.1 MB in the end (delta: -40.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:47,714 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:43:47,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.50 ms. Allocated memory is still 131.6 MB. Free memory was 87.2 MB in the beginning and 77.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:47,716 INFO L168 Benchmark]: Boogie Preprocessor took 126.70 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 77.0 MB in the beginning and 175.0 MB in the end (delta: -97.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:47,717 INFO L168 Benchmark]: RCFGBuilder took 290.27 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 161.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:47,718 INFO L168 Benchmark]: Sifa took 722.78 ms. Allocated memory is still 199.2 MB. Free memory was 161.3 MB in the beginning and 128.1 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:47,722 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.50 ms. Allocated memory is still 131.6 MB. Free memory was 87.2 MB in the beginning and 77.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.70 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 77.0 MB in the beginning and 175.0 MB in the end (delta: -97.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 290.27 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 161.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Sifa took 722.78 ms. Allocated memory is still 199.2 MB. Free memory was 161.3 MB in the beginning and 128.1 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 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]: 675, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 28, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 19, TOOLS_POST_TIME[ms]: 42, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 198, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 32, TOOLS_QUANTIFIERELIM_TIME[ms]: 230, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 115, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 31, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 208, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 90, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 484, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 483, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 80, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 79, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 58, DAG_COMPRESSION_RETAINED_NODES: 34 - UnprovableResult [Line: 9]: 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 59#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 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...