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/loops/count_up_down-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 04:59:14,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 04:59:14,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 04:59:14,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 04:59:14,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 04:59:14,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 04:59:14,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 04:59:14,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 04:59:14,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 04:59:14,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 04:59:14,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 04:59:14,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 04:59:14,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 04:59:14,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 04:59:14,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 04:59:14,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 04:59:14,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 04:59:14,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 04:59:14,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 04:59:14,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 04:59:14,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 04:59:14,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 04:59:14,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 04:59:14,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 04:59:14,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 04:59:14,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 04:59:14,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 04:59:14,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 04:59:14,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 04:59:14,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 04:59:14,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 04:59:14,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 04:59:14,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 04:59:14,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 04:59:14,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 04:59:14,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 04:59:14,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 04:59:14,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 04:59:14,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 04:59:14,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 04:59:14,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 04:59:14,384 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 04:59:14,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 04:59:14,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 04:59:14,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 04:59:14,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 04:59:14,400 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 04:59:14,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 04:59:14,400 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 04:59:14,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 04:59:14,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 04:59:14,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 04:59:14,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 04:59:14,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 04:59:14,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 04:59:14,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 04:59:14,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 04:59:14,402 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 04:59:14,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 04:59:14,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 04:59:14,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 04:59:14,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 04:59:14,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 04:59:14,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 04:59:14,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 04:59:14,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 04:59:14,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 04:59:14,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 04:59:14,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 04:59:14,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 04:59:14,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 04:59:14,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 04:59:14,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 04:59:14,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 04:59:14,454 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 04:59:14,454 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 04:59:14,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down-2.c [2019-08-31 04:59:14,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50b94cc4e/c2d9a7abe5a8450a88d568fe43f38fee/FLAG3cf4cc9cb [2019-08-31 04:59:14,999 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 04:59:15,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/count_up_down-2.c [2019-08-31 04:59:15,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50b94cc4e/c2d9a7abe5a8450a88d568fe43f38fee/FLAG3cf4cc9cb [2019-08-31 04:59:15,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50b94cc4e/c2d9a7abe5a8450a88d568fe43f38fee [2019-08-31 04:59:15,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 04:59:15,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 04:59:15,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 04:59:15,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 04:59:15,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 04:59:15,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:59:15" (1/1) ... [2019-08-31 04:59:15,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1465a215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:59:15, skipping insertion in model container [2019-08-31 04:59:15,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:59:15" (1/1) ... [2019-08-31 04:59:15,366 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 04:59:15,386 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 04:59:15,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 04:59:15,586 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 04:59:15,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 04:59:15,611 INFO L192 MainTranslator]: Completed translation [2019-08-31 04:59:15,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:59:15 WrapperNode [2019-08-31 04:59:15,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 04:59:15,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 04:59:15,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 04:59:15,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 04:59:15,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:59:15" (1/1) ... [2019-08-31 04:59:15,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:59:15" (1/1) ... [2019-08-31 04:59:15,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:59:15" (1/1) ... [2019-08-31 04:59:15,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:59:15" (1/1) ... [2019-08-31 04:59:15,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:59:15" (1/1) ... [2019-08-31 04:59:15,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:59:15" (1/1) ... [2019-08-31 04:59:15,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:59:15" (1/1) ... [2019-08-31 04:59:15,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 04:59:15,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 04:59:15,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 04:59:15,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 04:59:15,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:59:15" (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 04:59:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 04:59:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 04:59:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 04:59:15,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 04:59:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 04:59:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 04:59:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-31 04:59:15,789 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 04:59:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 04:59:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 04:59:15,963 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 04:59:15,963 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 04:59:15,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:59:15 BoogieIcfgContainer [2019-08-31 04:59:15,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 04:59:15,965 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 04:59:15,965 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 04:59:15,965 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 04:59:15,966 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:59:15" (1/1) ... [2019-08-31 04:59:15,996 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 04:59:15,996 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 04:59:16,003 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 04:59:16,012 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 04:59:16,013 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 04:59:16,063 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 05:03:20,300 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6695 conjuctions. This might take some time... [2019-08-31 05:03:23,303 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6695 conjuctions. [2019-08-31 05:05:01,497 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5476 conjuctions. This might take some time... [2019-08-31 05:05:03,527 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5476 conjuctions. [2019-08-31 05:05:51,498 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6695 conjuctions. This might take some time... [2019-08-31 05:05:54,577 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6695 conjuctions. [2019-08-31 05:06:26,606 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8877 conjuctions. This might take some time... [2019-08-31 05:06:32,530 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 8877 conjuctions. [2019-08-31 05:07:37,099 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5476 conjuctions. This might take some time... [2019-08-31 05:07:39,137 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5476 conjuctions. [2019-08-31 05:08:36,610 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5626 conjuctions. This might take some time... [2019-08-31 05:08:38,963 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5626 conjuctions. [2019-08-31 05:09:16,430 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5523 conjuctions. This might take some time... [2019-08-31 05:09:18,591 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5523 conjuctions. [2019-08-31 05:09:18,648 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7246 conjuctions. This might take some time... [2019-08-31 05:09:22,569 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7246 conjuctions. [2019-08-31 05:10:27,618 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5476 conjuctions. This might take some time... [2019-08-31 05:10:29,699 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5476 conjuctions. [2019-08-31 05:11:17,079 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6695 conjuctions. This might take some time... [2019-08-31 05:11:20,412 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6695 conjuctions. [2019-08-31 05:11:52,785 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8877 conjuctions. This might take some time... [2019-08-31 05:11:59,360 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 8877 conjuctions. [2019-08-31 05:11:59,451 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 11962 conjuctions. This might take some time... [2019-08-31 05:12:15,833 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 11962 conjuctions. [2019-08-31 05:13:12,028 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5626 conjuctions. This might take some time... [2019-08-31 05:13:14,273 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5626 conjuctions. [2019-08-31 05:13:51,596 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5523 conjuctions. This might take some time... [2019-08-31 05:13:53,774 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5523 conjuctions. [2019-08-31 05:13:53,830 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7246 conjuctions. This might take some time... [2019-08-31 05:13:57,903 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7246 conjuctions.