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_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:46:08,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:46:08,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:46:08,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:46:08,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:46:08,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:46:08,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:46:08,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:46:08,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:46:08,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:46:08,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:46:08,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:46:08,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:46:08,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:46:08,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:46:08,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:46:08,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:46:08,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:46:08,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:46:08,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:46:08,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:46:08,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:46:08,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:46:08,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:46:08,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:46:08,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:46:08,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:46:08,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:46:08,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:46:08,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:46:08,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:46:08,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:46:08,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:46:08,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:46:08,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:46:08,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:46:08,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:46:08,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:46:08,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:46:08,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:46:08,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:46:08,274 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 [2019-09-16 17:46:08,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:46:08,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:46:08,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 17:46:08,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 17:46:08,293 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 17:46:08,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:46:08,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:46:08,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 17:46:08,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:46:08,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:46:08,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:46:08,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:46:08,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:46:08,294 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:46:08,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:46:08,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 17:46:08,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:46:08,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:46:08,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:46:08,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 17:46:08,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 17:46:08,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:46:08,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:46:08,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:46:08,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 17:46:08,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 17:46:08,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:46:08,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 17:46:08,298 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_DDA [2019-09-16 17:46:08,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:46:08,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:46:08,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:46:08,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:46:08,383 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:46:08,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2019-09-16 17:46:08,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b887b871b/aa7ed659d59e44d5a9fec4f7867496cc/FLAG9490bff1b [2019-09-16 17:46:08,913 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:46:08,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2019-09-16 17:46:08,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b887b871b/aa7ed659d59e44d5a9fec4f7867496cc/FLAG9490bff1b [2019-09-16 17:46:09,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b887b871b/aa7ed659d59e44d5a9fec4f7867496cc [2019-09-16 17:46:09,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:46:09,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:46:09,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:46:09,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:46:09,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:46:09,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:46:09" (1/1) ... [2019-09-16 17:46:09,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f684b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:46:09, skipping insertion in model container [2019-09-16 17:46:09,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:46:09" (1/1) ... [2019-09-16 17:46:09,309 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:46:09,351 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:46:09,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:46:09,763 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:46:09,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:46:09,855 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:46:09,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:46:09 WrapperNode [2019-09-16 17:46:09,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:46:09,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:46:09,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:46:09,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:46:09,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:46:09" (1/1) ... [2019-09-16 17:46:09,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:46:09" (1/1) ... [2019-09-16 17:46:09,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:46:09" (1/1) ... [2019-09-16 17:46:09,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:46:09" (1/1) ... [2019-09-16 17:46:09,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:46:09" (1/1) ... [2019-09-16 17:46:09,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:46:09" (1/1) ... [2019-09-16 17:46:09,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:46:09" (1/1) ... [2019-09-16 17:46:09,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:46:09,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:46:09,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:46:09,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:46:09,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:46:09" (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 [2019-09-16 17:46:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:46:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:46:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:46:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:46:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-16 17:46:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-16 17:46:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:46:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:46:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:46:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:46:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:46:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:46:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:46:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:46:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:46:10,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:46:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:46:10,860 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:46:10,860 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 17:46:10,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:46:10 BoogieIcfgContainer [2019-09-16 17:46:10,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:46:10,862 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 17:46:10,863 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 17:46:10,863 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 17:46:10,865 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:46:10" (1/1) ... [2019-09-16 17:46:10,866 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 17:46:10,897 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 17:46:10,898 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 17:46:10,906 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 17:46:10,917 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 17:46:10,918 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 17:46:11,319 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-16 17:46:11,587 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-16 17:46:11,798 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 88 for LOIs [2019-09-16 17:47:01,523 WARN L191 SmtUtils]: Spent 26.71 s on a formula simplification that was a NOOP. DAG size: 932 [2019-09-16 17:47:35,357 WARN L191 SmtUtils]: Spent 14.22 s on a formula simplification that was a NOOP. DAG size: 971 [2019-09-16 17:48:05,690 WARN L191 SmtUtils]: Spent 30.25 s on a formula simplification. DAG size of input: 1032 DAG size of output: 1000 [2019-09-16 17:48:20,567 WARN L191 SmtUtils]: Spent 14.88 s on a formula simplification that was a NOOP. DAG size: 1000 [2019-09-16 17:49:16,963 WARN L191 SmtUtils]: Spent 56.38 s on a formula simplification. DAG size of input: 1016 DAG size of output: 1006 [2019-09-16 17:49:45,591 WARN L191 SmtUtils]: Spent 28.63 s on a formula simplification that was a NOOP. DAG size: 1006 [2019-09-16 17:50:37,885 WARN L191 SmtUtils]: Spent 52.23 s on a formula simplification. DAG size of input: 1039 DAG size of output: 1007 [2019-09-16 17:51:03,184 WARN L191 SmtUtils]: Spent 25.30 s on a formula simplification that was a NOOP. DAG size: 1007 [2019-09-16 17:52:23,688 WARN L191 SmtUtils]: Spent 1.34 m on a formula simplification. DAG size of input: 1014 DAG size of output: 1013 [2019-09-16 17:52:37,777 WARN L191 SmtUtils]: Spent 13.97 s on a formula simplification that was a NOOP. DAG size: 977 [2019-09-16 17:52:37,866 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 17:52:37,866 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 17:52:37,869 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 50#(and (= main_~__tmp_2~0 main_~__VERIFIER_assert__Id_MCDC_92~0) (= 0 main_~__VERIFIER_assert__Id_MCDC_92~0) (= main_~__tmp_2~0 main_~Id_MCDC_89____CPAchecker_TMP_1~0) (not (< (mod ~Id_MCDC_93~0 4294967296) 42)) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) [2019-09-16 17:52:37,886 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 17:52:37,886 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 17:52:37,888 INFO L168 Benchmark]: Toolchain (without parser) took 388596.64 ms. Allocated memory was 136.3 MB in the beginning and 144.2 MB in the end (delta: 7.9 MB). Free memory was 83.3 MB in the beginning and 97.7 MB in the end (delta: -14.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:52:37,889 INFO L168 Benchmark]: CDTParser took 1.00 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 102.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:52:37,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.05 ms. Allocated memory was 136.3 MB in the beginning and 198.2 MB in the end (delta: 61.9 MB). Free memory was 83.1 MB in the beginning and 168.9 MB in the end (delta: -85.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:52:37,891 INFO L168 Benchmark]: Boogie Preprocessor took 85.24 ms. Allocated memory is still 198.2 MB. Free memory was 168.9 MB in the beginning and 164.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:52:37,891 INFO L168 Benchmark]: RCFGBuilder took 917.07 ms. Allocated memory is still 198.2 MB. Free memory was 164.6 MB in the beginning and 90.3 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:52:37,892 INFO L168 Benchmark]: Sifa took 387023.53 ms. Allocated memory was 198.2 MB in the beginning and 144.2 MB in the end (delta: -54.0 MB). Free memory was 90.3 MB in the beginning and 97.7 MB in the end (delta: -7.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:52:37,897 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 102.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 563.05 ms. Allocated memory was 136.3 MB in the beginning and 198.2 MB in the end (delta: 61.9 MB). Free memory was 83.1 MB in the beginning and 168.9 MB in the end (delta: -85.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.24 ms. Allocated memory is still 198.2 MB. Free memory was 168.9 MB in the beginning and 164.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 917.07 ms. Allocated memory is still 198.2 MB. Free memory was 164.6 MB in the beginning and 90.3 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. * Sifa took 387023.53 ms. Allocated memory was 198.2 MB in the beginning and 144.2 MB in the end (delta: -54.0 MB). Free memory was 90.3 MB in the beginning and 97.7 MB in the end (delta: -7.4 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]: 386972, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 26, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 23, TOOLS_POST_TIME[ms]: 84265, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 30, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 26, TOOLS_QUANTIFIERELIM_TIME[ms]: 84258, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 83552, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 29, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 137023, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 165502, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 36, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 23, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 288401, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 288401, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 798, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 798, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 76, DAG_COMPRESSION_RETAINED_NODES: 36 - UnprovableResult [Line: 191]: 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 50#(and (= main_~__tmp_2~0 main_~__VERIFIER_assert__Id_MCDC_92~0) (= 0 main_~__VERIFIER_assert__Id_MCDC_92~0) (= main_~__tmp_2~0 main_~Id_MCDC_89____CPAchecker_TMP_1~0) (not (< (mod ~Id_MCDC_93~0 4294967296) 42)) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...