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 -i ../../../trunk/examples/svcomp/loop-acceleration/underapprox_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 06:01:00,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 06:01:00,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 06:01:00,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 06:01:00,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 06:01:00,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 06:01:00,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 06:01:00,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 06:01:00,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 06:01:00,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 06:01:00,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 06:01:00,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 06:01:00,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 06:01:00,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 06:01:00,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 06:01:00,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 06:01:00,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 06:01:00,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 06:01:00,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 06:01:00,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 06:01:00,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 06:01:00,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 06:01:00,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 06:01:00,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 06:01:00,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 06:01:00,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 06:01:00,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 06:01:00,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 06:01:00,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 06:01:00,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 06:01:00,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 06:01:00,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 06:01:00,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 06:01:00,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 06:01:00,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 06:01:00,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 06:01:00,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 06:01:00,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 06:01:00,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 06:01:00,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 06:01:00,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 06:01:00,337 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 [2019-08-31 06:01:00,352 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 06:01:00,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 06:01:00,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 06:01:00,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 06:01:00,353 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 06:01:00,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 06:01:00,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 06:01:00,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 06:01:00,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 06:01:00,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 06:01:00,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 06:01:00,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 06:01:00,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 06:01:00,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 06:01:00,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 06:01:00,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 06:01:00,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 06:01:00,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 06:01:00,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 06:01:00,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 06:01:00,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 06:01:00,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 06:01:00,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 06:01:00,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 06:01:00,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 06:01:00,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 06:01:00,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 06:01:00,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 06:01:00,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 06:01:00,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 06:01:00,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 06:01:00,401 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 06:01:00,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 06:01:00,403 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 06:01:00,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_2-2.c [2019-08-31 06:01:00,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f033c5e4/e3b5e81a5e2a4a5a94b3988a65eda2ff/FLAG29fb60251 [2019-08-31 06:01:00,894 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 06:01:00,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_2-2.c [2019-08-31 06:01:00,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f033c5e4/e3b5e81a5e2a4a5a94b3988a65eda2ff/FLAG29fb60251 [2019-08-31 06:01:01,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f033c5e4/e3b5e81a5e2a4a5a94b3988a65eda2ff [2019-08-31 06:01:01,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 06:01:01,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 06:01:01,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 06:01:01,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 06:01:01,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 06:01:01,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 06:01:01" (1/1) ... [2019-08-31 06:01:01,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667f1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:01:01, skipping insertion in model container [2019-08-31 06:01:01,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 06:01:01" (1/1) ... [2019-08-31 06:01:01,338 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 06:01:01,354 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 06:01:01,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 06:01:01,563 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 06:01:01,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 06:01:01,590 INFO L192 MainTranslator]: Completed translation [2019-08-31 06:01:01,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:01:01 WrapperNode [2019-08-31 06:01:01,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 06:01:01,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 06:01:01,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 06:01:01,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 06:01:01,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:01:01" (1/1) ... [2019-08-31 06:01:01,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:01:01" (1/1) ... [2019-08-31 06:01:01,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:01:01" (1/1) ... [2019-08-31 06:01:01,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:01:01" (1/1) ... [2019-08-31 06:01:01,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:01:01" (1/1) ... [2019-08-31 06:01:01,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:01:01" (1/1) ... [2019-08-31 06:01:01,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:01:01" (1/1) ... [2019-08-31 06:01:01,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 06:01:01,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 06:01:01,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 06:01:01,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 06:01:01,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:01:01" (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 [2019-08-31 06:01:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 06:01:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 06:01:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 06:01:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 06:01:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 06:01:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 06:01:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 06:01:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 06:01:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 06:01:01,901 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 06:01:01,901 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 06:01:01,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 06:01:01 BoogieIcfgContainer [2019-08-31 06:01:01,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 06:01:01,903 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 06:01:01,903 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 06:01:01,904 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 06:01:01,905 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 06:01:01" (1/1) ... [2019-08-31 06:01:01,938 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 06:01:01,938 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 06:01:01,944 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 06:01:01,952 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 06:01:01,953 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 06:01:01,998 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 06:01:38,402 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-08-31 06:01:41,254 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5825 conjuctions. [2019-08-31 06:01:52,735 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7014 conjuctions. This might take some time... [2019-08-31 06:01:56,933 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7014 conjuctions. [2019-08-31 06:02:04,304 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-08-31 06:02:07,351 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5825 conjuctions. [2019-08-31 06:02:16,908 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5849 conjuctions. This might take some time... [2019-08-31 06:02:19,392 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5849 conjuctions. [2019-08-31 06:02:26,292 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6263 conjuctions. This might take some time... [2019-08-31 06:02:30,719 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6263 conjuctions. [2019-08-31 06:02:30,789 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10313 conjuctions. This might take some time... [2019-08-31 06:02:45,475 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 10313 conjuctions. [2019-08-31 06:02:57,484 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7014 conjuctions. This might take some time... [2019-08-31 06:03:01,288 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7014 conjuctions. [2019-08-31 06:03:08,195 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-08-31 06:03:11,122 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5825 conjuctions. [2019-08-31 06:03:11,185 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11109 conjuctions. This might take some time... [2019-08-31 06:03:28,063 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 11109 conjuctions. [2019-08-31 06:03:36,032 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5849 conjuctions. This might take some time... [2019-08-31 06:03:38,439 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5849 conjuctions. [2019-08-31 06:03:45,292 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6263 conjuctions. This might take some time... [2019-08-31 06:03:48,866 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6263 conjuctions. [2019-08-31 06:03:48,930 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10313 conjuctions. This might take some time... [2019-08-31 06:04:03,049 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 10313 conjuctions. [2019-08-31 06:04:13,374 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5955 conjuctions. This might take some time... [2019-08-31 06:04:17,773 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5955 conjuctions. [2019-08-31 06:04:24,638 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5632 conjuctions. This might take some time... [2019-08-31 06:04:27,536 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5632 conjuctions. [2019-08-31 06:04:27,607 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9651 conjuctions. This might take some time... [2019-08-31 06:04:40,089 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9651 conjuctions. [2019-08-31 06:04:46,970 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6109 conjuctions. This might take some time... [2019-08-31 06:04:51,181 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6109 conjuctions. [2019-08-31 06:04:56,807 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5954 conjuctions. This might take some time... [2019-08-31 06:04:59,801 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5954 conjuctions. [2019-08-31 06:04:59,864 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9942 conjuctions. This might take some time... [2019-08-31 06:05:15,704 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9942 conjuctions. [2019-08-31 06:05:15,822 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16393 conjuctions. This might take some time... [2019-08-31 06:06:07,698 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 16393 conjuctions. [2019-08-31 06:06:18,870 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5955 conjuctions. This might take some time... [2019-08-31 06:06:23,089 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5955 conjuctions. [2019-08-31 06:06:29,740 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5632 conjuctions. This might take some time... [2019-08-31 06:06:32,428 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5632 conjuctions. [2019-08-31 06:06:32,486 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9651 conjuctions. This might take some time... [2019-08-31 06:06:43,244 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9651 conjuctions. [2019-08-31 06:06:49,910 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6109 conjuctions. This might take some time... [2019-08-31 06:06:53,851 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6109 conjuctions. [2019-08-31 06:06:59,463 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5954 conjuctions. This might take some time... [2019-08-31 06:07:02,287 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5954 conjuctions. [2019-08-31 06:07:02,352 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9942 conjuctions. This might take some time... [2019-08-31 06:07:17,036 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9942 conjuctions. [2019-08-31 06:07:17,152 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16393 conjuctions. This might take some time... [2019-08-31 06:08:19,083 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 16393 conjuctions. [2019-08-31 06:08:29,111 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7014 conjuctions. This might take some time... [2019-08-31 06:08:33,252 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7014 conjuctions. [2019-08-31 06:08:40,387 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-08-31 06:08:43,380 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5825 conjuctions. [2019-08-31 06:08:43,443 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11109 conjuctions. This might take some time... [2019-08-31 06:08:57,585 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 11109 conjuctions. [2019-08-31 06:09:04,804 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5849 conjuctions. This might take some time... [2019-08-31 06:09:07,594 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5849 conjuctions. [2019-08-31 06:09:14,442 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6263 conjuctions. This might take some time... [2019-08-31 06:09:18,712 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6263 conjuctions. [2019-08-31 06:09:18,787 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10313 conjuctions. This might take some time... [2019-08-31 06:09:33,835 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 10313 conjuctions. [2019-08-31 06:09:33,984 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18327 conjuctions. This might take some time... [2019-08-31 06:10:30,167 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 18327 conjuctions. [2019-08-31 06:10:40,806 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5955 conjuctions. This might take some time... [2019-08-31 06:10:45,524 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5955 conjuctions. [2019-08-31 06:10:52,402 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5632 conjuctions. This might take some time... [2019-08-31 06:10:55,527 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5632 conjuctions. [2019-08-31 06:10:55,869 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9651 conjuctions. This might take some time... [2019-08-31 06:11:06,245 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9651 conjuctions. [2019-08-31 06:11:13,010 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6109 conjuctions. This might take some time... [2019-08-31 06:11:17,200 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6109 conjuctions. [2019-08-31 06:11:22,779 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5954 conjuctions. This might take some time... [2019-08-31 06:11:25,803 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5954 conjuctions. [2019-08-31 06:11:25,868 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9942 conjuctions. This might take some time... [2019-08-31 06:11:41,575 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9942 conjuctions. [2019-08-31 06:11:41,691 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16393 conjuctions. This might take some time... [2019-08-31 06:12:33,050 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 16393 conjuctions. [2019-08-31 06:12:42,546 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7014 conjuctions. This might take some time... [2019-08-31 06:12:46,173 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7014 conjuctions. [2019-08-31 06:12:52,980 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-08-31 06:12:56,003 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5825 conjuctions. [2019-08-31 06:12:56,065 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11109 conjuctions. This might take some time... [2019-08-31 06:13:12,172 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 11109 conjuctions. [2019-08-31 06:13:19,210 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5849 conjuctions. This might take some time... [2019-08-31 06:13:22,577 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5849 conjuctions. [2019-08-31 06:13:29,231 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6263 conjuctions. This might take some time... [2019-08-31 06:13:33,939 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6263 conjuctions. [2019-08-31 06:13:34,009 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10313 conjuctions. This might take some time... [2019-08-31 06:13:50,636 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 10313 conjuctions. [2019-08-31 06:13:50,749 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18327 conjuctions. This might take some time... [2019-08-31 06:14:46,735 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 18327 conjuctions. [2019-08-31 06:14:47,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 06:14:47,915 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-08-31 06:14:47,920 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 06:14:47,920 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 06:14:47,922 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 29659#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-31 06:14:47,957 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 06:14:47,957 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 06:14:47,960 INFO L168 Benchmark]: Toolchain (without parser) took 826635.68 ms. Allocated memory was 133.7 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 90.1 MB in the beginning and 1.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 823.4 MB. Max. memory is 7.1 GB. [2019-08-31 06:14:47,961 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 06:14:47,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.62 ms. Allocated memory is still 133.7 MB. Free memory was 89.9 MB in the beginning and 80.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-31 06:14:47,963 INFO L168 Benchmark]: Boogie Preprocessor took 103.54 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.6 MB in the beginning and 177.3 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-31 06:14:47,964 INFO L168 Benchmark]: RCFGBuilder took 208.16 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 166.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-31 06:14:47,965 INFO L168 Benchmark]: Sifa took 826054.03 ms. Allocated memory was 200.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 166.0 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 832.7 MB. Max. memory is 7.1 GB. [2019-08-31 06:14:47,970 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.62 ms. Allocated memory is still 133.7 MB. Free memory was 89.9 MB in the beginning and 80.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.54 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.6 MB in the beginning and 177.3 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 208.16 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 166.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Sifa took 826054.03 ms. Allocated memory was 200.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 166.0 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 832.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 826.0s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 29 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 25 TOOLS_POST_APPLICATIONS, 7.5s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 6.9s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 47 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 21 DOMAIN_JOIN_APPLICATIONS, 178.3s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 17 DOMAIN_WIDEN_APPLICATIONS, 116.1s DOMAIN_WIDEN_TIME, 18 DOMAIN_ISSUBSETEQ_APPLICATIONS, 524.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 825.9s LOOP_SUMMARIZER_OVERALL_TIME, 825.9s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 18 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 1 CALL_SUMMARIZER_CACHE_MISSES, 0.0s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 48 DAG_COMPRESSION_PROCESSED_NODES, 29 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 29659#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 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...