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-invgen/apache-get-tag.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 00:12:29,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 00:12:29,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 00:12:29,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 00:12:29,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 00:12:29,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 00:12:29,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 00:12:29,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 00:12:29,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 00:12:29,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 00:12:29,292 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 00:12:29,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 00:12:29,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 00:12:29,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 00:12:29,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 00:12:29,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 00:12:29,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 00:12:29,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 00:12:29,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 00:12:29,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 00:12:29,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 00:12:29,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 00:12:29,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 00:12:29,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 00:12:29,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 00:12:29,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 00:12:29,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 00:12:29,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 00:12:29,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 00:12:29,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 00:12:29,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 00:12:29,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 00:12:29,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 00:12:29,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 00:12:29,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 00:12:29,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 00:12:29,319 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 [2019-08-22 00:12:29,334 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 00:12:29,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 00:12:29,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 00:12:29,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 00:12:29,335 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 00:12:29,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 00:12:29,336 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 00:12:29,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 00:12:29,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 00:12:29,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 00:12:29,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 00:12:29,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 00:12:29,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 00:12:29,337 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 00:12:29,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 00:12:29,338 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 00:12:29,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 00:12:29,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 00:12:29,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 00:12:29,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 00:12:29,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 00:12:29,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 00:12:29,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 00:12:29,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 00:12:29,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 00:12:29,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 00:12:29,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 00:12:29,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 00:12:29,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 00:12:29,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 00:12:29,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 00:12:29,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 00:12:29,388 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 00:12:29,388 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 00:12:29,389 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2019-08-22 00:12:29,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735ede7a2/485a872d09054d8eb28bef241b5de0d0/FLAG567d31715 [2019-08-22 00:12:30,062 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 00:12:30,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2019-08-22 00:12:30,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735ede7a2/485a872d09054d8eb28bef241b5de0d0/FLAG567d31715 [2019-08-22 00:12:30,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735ede7a2/485a872d09054d8eb28bef241b5de0d0 [2019-08-22 00:12:30,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 00:12:30,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 00:12:30,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 00:12:30,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 00:12:30,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 00:12:30,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:12:30" (1/1) ... [2019-08-22 00:12:30,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4846cd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:12:30, skipping insertion in model container [2019-08-22 00:12:30,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:12:30" (1/1) ... [2019-08-22 00:12:30,317 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 00:12:30,433 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 00:12:31,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 00:12:31,352 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 00:12:31,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 00:12:31,639 INFO L192 MainTranslator]: Completed translation [2019-08-22 00:12:31,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:12:31 WrapperNode [2019-08-22 00:12:31,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 00:12:31,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 00:12:31,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 00:12:31,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 00:12:31,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:12:31" (1/1) ... [2019-08-22 00:12:31,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:12:31" (1/1) ... [2019-08-22 00:12:31,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:12:31" (1/1) ... [2019-08-22 00:12:31,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:12:31" (1/1) ... [2019-08-22 00:12:31,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:12:31" (1/1) ... [2019-08-22 00:12:31,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:12:31" (1/1) ... [2019-08-22 00:12:31,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:12:31" (1/1) ... [2019-08-22 00:12:31,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 00:12:31,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 00:12:31,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 00:12:31,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 00:12:31,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:12:31" (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 [2019-08-22 00:12:31,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 00:12:31,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 00:12:31,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 00:12:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 00:12:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 00:12:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 00:12:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 00:12:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 00:12:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 00:12:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 00:12:34,410 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 00:12:34,410 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 00:12:34,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:12:34 BoogieIcfgContainer [2019-08-22 00:12:34,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 00:12:34,412 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 00:12:34,413 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 00:12:34,413 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 00:12:34,414 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:12:34" (1/1) ... [2019-08-22 00:12:34,428 INFO L148 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-08-22 00:12:34,434 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 00:12:34,445 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 00:12:34,453 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 00:12:34,455 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 00:12:34,530 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 55 [2019-08-22 00:12:35,355 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6