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_2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 06:00:44,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 06:00:44,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 06:00:44,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 06:00:44,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 06:00:44,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 06:00:44,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 06:00:44,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 06:00:44,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 06:00:44,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 06:00:44,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 06:00:44,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 06:00:44,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 06:00:44,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 06:00:44,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 06:00:44,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 06:00:44,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 06:00:44,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 06:00:44,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 06:00:44,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 06:00:44,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 06:00:44,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 06:00:44,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 06:00:44,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 06:00:44,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 06:00:44,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 06:00:44,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 06:00:44,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 06:00:44,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 06:00:44,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 06:00:44,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 06:00:44,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 06:00:44,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 06:00:44,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 06:00:44,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 06:00:44,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 06:00:44,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 06:00:44,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 06:00:44,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 06:00:44,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 06:00:44,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 06:00:44,429 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 06:00:44,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 06:00:44,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 06:00:44,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 06:00:44,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 06:00:44,456 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 06:00:44,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 06:00:44,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 06:00:44,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 06:00:44,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 06:00:44,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 06:00:44,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 06:00:44,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 06:00:44,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 06:00:44,459 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 06:00:44,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 06:00:44,460 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 06:00:44,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 06:00:44,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 06:00:44,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 06:00:44,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 06:00:44,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 06:00:44,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 06:00:44,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 06:00:44,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 06:00:44,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 06:00:44,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 06:00:44,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 06:00:44,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 06:00:44,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 06:00:44,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 06:00:44,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 06:00:44,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 06:00:44,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 06:00:44,522 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 06:00:44,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_2-1.c [2019-08-31 06:00:44,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c50f884e/158a59c747254360a64c0fb0ac52486b/FLAG984260e52 [2019-08-31 06:00:45,013 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 06:00:45,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_2-1.c [2019-08-31 06:00:45,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c50f884e/158a59c747254360a64c0fb0ac52486b/FLAG984260e52 [2019-08-31 06:00:45,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c50f884e/158a59c747254360a64c0fb0ac52486b [2019-08-31 06:00:45,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 06:00:45,408 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 06:00:45,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 06:00:45,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 06:00:45,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 06:00:45,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 06:00:45" (1/1) ... [2019-08-31 06:00:45,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4123c10f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:00:45, skipping insertion in model container [2019-08-31 06:00:45,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 06:00:45" (1/1) ... [2019-08-31 06:00:45,424 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 06:00:45,443 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 06:00:45,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 06:00:45,679 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 06:00:45,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 06:00:45,714 INFO L192 MainTranslator]: Completed translation [2019-08-31 06:00:45,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:00:45 WrapperNode [2019-08-31 06:00:45,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 06:00:45,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 06:00:45,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 06:00:45,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 06:00:45,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:00:45" (1/1) ... [2019-08-31 06:00:45,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:00:45" (1/1) ... [2019-08-31 06:00:45,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:00:45" (1/1) ... [2019-08-31 06:00:45,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:00:45" (1/1) ... [2019-08-31 06:00:45,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:00:45" (1/1) ... [2019-08-31 06:00:45,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:00:45" (1/1) ... [2019-08-31 06:00:45,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:00:45" (1/1) ... [2019-08-31 06:00:45,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 06:00:45,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 06:00:45,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 06:00:45,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 06:00:45,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:00:45" (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 06:00:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 06:00:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 06:00:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 06:00:45,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 06:00:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 06:00:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 06:00:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 06:00:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 06:00:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 06:00:46,029 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 06:00:46,029 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 06:00:46,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 06:00:46 BoogieIcfgContainer [2019-08-31 06:00:46,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 06:00:46,031 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 06:00:46,031 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 06:00:46,031 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 06:00:46,032 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 06:00:46" (1/1) ... [2019-08-31 06:00:46,067 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 06:00:46,067 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 06:00:46,074 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 06:00:46,082 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 06:00:46,084 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 06:00:46,132 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 06:01:23,762 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-08-31 06:01:27,180 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5825 conjuctions. [2019-08-31 06:01:38,011 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7014 conjuctions. This might take some time... [2019-08-31 06:01:42,233 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7014 conjuctions. [2019-08-31 06:01:49,809 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-08-31 06:01:53,006 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5825 conjuctions. [2019-08-31 06:02:02,613 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5849 conjuctions. This might take some time... [2019-08-31 06:02:05,374 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5849 conjuctions. [2019-08-31 06:02:12,411 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6263 conjuctions. This might take some time... [2019-08-31 06:02:16,623 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6263 conjuctions. [2019-08-31 06:02:16,694 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10313 conjuctions. This might take some time... [2019-08-31 06:02:32,458 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 10313 conjuctions. [2019-08-31 06:02:43,866 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7014 conjuctions. This might take some time... [2019-08-31 06:02:47,648 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7014 conjuctions. [2019-08-31 06:02:54,708 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-08-31 06:02:57,828 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5825 conjuctions. [2019-08-31 06:02:57,891 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11109 conjuctions. This might take some time... [2019-08-31 06:03:11,684 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 11109 conjuctions. [2019-08-31 06:03:19,558 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5849 conjuctions. This might take some time... [2019-08-31 06:03:22,137 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5849 conjuctions. [2019-08-31 06:03:29,062 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6263 conjuctions. This might take some time... [2019-08-31 06:03:33,149 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6263 conjuctions. [2019-08-31 06:03:33,215 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10313 conjuctions. This might take some time... [2019-08-31 06:03:46,741 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 10313 conjuctions. [2019-08-31 06:03:56,991 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5955 conjuctions. This might take some time... [2019-08-31 06:04:01,016 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5955 conjuctions. [2019-08-31 06:04:08,029 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5632 conjuctions. This might take some time... [2019-08-31 06:04:10,881 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5632 conjuctions. [2019-08-31 06:04:10,941 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9651 conjuctions. This might take some time... [2019-08-31 06:04:22,533 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9651 conjuctions. [2019-08-31 06:04:29,710 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6109 conjuctions. This might take some time... [2019-08-31 06:04:33,791 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6109 conjuctions. [2019-08-31 06:04:39,574 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5954 conjuctions. This might take some time... [2019-08-31 06:04:42,696 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5954 conjuctions. [2019-08-31 06:04:42,777 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9942 conjuctions. This might take some time... [2019-08-31 06:04:58,044 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9942 conjuctions. [2019-08-31 06:04:58,154 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16393 conjuctions. This might take some time... [2019-08-31 06:05:48,510 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 16393 conjuctions. [2019-08-31 06:05:59,992 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5955 conjuctions. This might take some time... [2019-08-31 06:06:04,363 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5955 conjuctions. [2019-08-31 06:06:11,656 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5632 conjuctions. This might take some time... [2019-08-31 06:06:14,388 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5632 conjuctions. [2019-08-31 06:06:14,445 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9651 conjuctions. This might take some time... [2019-08-31 06:06:24,068 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9651 conjuctions. [2019-08-31 06:06:31,051 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6109 conjuctions. This might take some time... [2019-08-31 06:06:35,176 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6109 conjuctions. [2019-08-31 06:06:40,909 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5954 conjuctions. This might take some time... [2019-08-31 06:06:44,023 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5954 conjuctions. [2019-08-31 06:06:44,084 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9942 conjuctions. This might take some time... [2019-08-31 06:07:00,887 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9942 conjuctions. [2019-08-31 06:07:01,000 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16393 conjuctions. This might take some time... [2019-08-31 06:07:50,928 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 16393 conjuctions. [2019-08-31 06:08:00,183 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7014 conjuctions. This might take some time... [2019-08-31 06:08:03,947 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7014 conjuctions. [2019-08-31 06:08:10,923 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-08-31 06:08:14,270 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5825 conjuctions. [2019-08-31 06:08:14,332 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11109 conjuctions. This might take some time... [2019-08-31 06:08:27,689 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 11109 conjuctions. [2019-08-31 06:08:34,895 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5849 conjuctions. This might take some time... [2019-08-31 06:08:37,746 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5849 conjuctions. [2019-08-31 06:08:44,674 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6263 conjuctions. This might take some time... [2019-08-31 06:08:48,682 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6263 conjuctions. [2019-08-31 06:08:48,746 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10313 conjuctions. This might take some time... [2019-08-31 06:09:02,038 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 10313 conjuctions. [2019-08-31 06:09:02,149 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18327 conjuctions. This might take some time... [2019-08-31 06:09:53,987 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 18327 conjuctions. [2019-08-31 06:10:04,550 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5955 conjuctions. This might take some time... [2019-08-31 06:10:08,737 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5955 conjuctions. [2019-08-31 06:10:15,915 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5632 conjuctions. This might take some time... [2019-08-31 06:10:18,757 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5632 conjuctions. [2019-08-31 06:10:18,814 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9651 conjuctions. This might take some time... [2019-08-31 06:10:30,252 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9651 conjuctions. [2019-08-31 06:10:37,213 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6109 conjuctions. This might take some time... [2019-08-31 06:10:41,552 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6109 conjuctions. [2019-08-31 06:10:47,325 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5954 conjuctions. This might take some time... [2019-08-31 06:10:50,170 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5954 conjuctions. [2019-08-31 06:10:50,231 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 9942 conjuctions. This might take some time... [2019-08-31 06:11:04,612 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 9942 conjuctions. [2019-08-31 06:11:04,724 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16393 conjuctions. This might take some time... [2019-08-31 06:11:56,477 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 16393 conjuctions. [2019-08-31 06:12:06,368 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7014 conjuctions. This might take some time... [2019-08-31 06:12:09,932 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7014 conjuctions. [2019-08-31 06:12:16,939 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-08-31 06:12:20,135 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5825 conjuctions. [2019-08-31 06:12:20,195 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11109 conjuctions. This might take some time... [2019-08-31 06:12:34,779 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 11109 conjuctions. [2019-08-31 06:12:41,941 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5849 conjuctions. This might take some time... [2019-08-31 06:12:44,581 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5849 conjuctions. [2019-08-31 06:12:51,360 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6263 conjuctions. This might take some time... [2019-08-31 06:12:56,084 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6263 conjuctions. [2019-08-31 06:12:56,149 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10313 conjuctions. This might take some time... [2019-08-31 06:13:09,213 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 10313 conjuctions. [2019-08-31 06:13:09,326 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18327 conjuctions. This might take some time... [2019-08-31 06:14:02,567 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 18327 conjuctions. [2019-08-31 06:14:03,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 06:14:03,796 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-08-31 06:14:03,801 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 06:14:03,801 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 06:14:03,803 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| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-31 06:14:03,837 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 06:14:03,837 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 06:14:03,840 INFO L168 Benchmark]: Toolchain (without parser) took 798431.85 ms. Allocated memory was 134.2 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 90.2 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 264.8 MB. Max. memory is 7.1 GB. [2019-08-31 06:14:03,843 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 06:14:03,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.04 ms. Allocated memory is still 134.2 MB. Free memory was 90.0 MB in the beginning and 81.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-31 06:14:03,848 INFO L168 Benchmark]: Boogie Preprocessor took 112.29 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 81.0 MB in the beginning and 177.4 MB in the end (delta: -96.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-31 06:14:03,848 INFO L168 Benchmark]: RCFGBuilder took 201.79 ms. Allocated memory is still 200.3 MB. Free memory was 177.4 MB in the beginning and 167.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-31 06:14:03,850 INFO L168 Benchmark]: Sifa took 797806.37 ms. Allocated memory was 200.3 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 167.0 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 275.5 MB. Max. memory is 7.1 GB. [2019-08-31 06:14:03,855 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 307.04 ms. Allocated memory is still 134.2 MB. Free memory was 90.0 MB in the beginning and 81.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.29 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 81.0 MB in the beginning and 177.4 MB in the end (delta: -96.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 201.79 ms. Allocated memory is still 200.3 MB. Free memory was 177.4 MB in the beginning and 167.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Sifa took 797806.37 ms. Allocated memory was 200.3 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 167.0 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 275.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 797.7s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 29 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 25 TOOLS_POST_APPLICATIONS, 7.4s 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, 6.8s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 47 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 21 DOMAIN_JOIN_APPLICATIONS, 177.7s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 17 DOMAIN_WIDEN_APPLICATIONS, 113.6s DOMAIN_WIDEN_TIME, 18 DOMAIN_ISSUBSETEQ_APPLICATIONS, 498.9s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 797.6s LOOP_SUMMARIZER_OVERALL_TIME, 797.6s 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| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= 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...