java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:19:51,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:19:51,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:19:51,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:19:51,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:19:51,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:19:51,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:19:51,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:19:51,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:19:51,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:19:51,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:19:51,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:19:51,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:19:51,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:19:51,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:19:51,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:19:51,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:19:51,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:19:51,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:19:51,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:19:51,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:19:51,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:19:51,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:19:51,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:19:51,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:19:51,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:19:51,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:19:51,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:19:51,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:19:51,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:19:51,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:19:51,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:19:51,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:19:51,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:19:51,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:19:51,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:19:51,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:19:51,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:19:51,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:19:51,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:19:51,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:19:51,319 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 [2019-09-20 23:19:51,334 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:19:51,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:19:51,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:19:51,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:19:51,336 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:19:51,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:19:51,336 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:19:51,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:19:51,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:19:51,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:19:51,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:19:51,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:19:51,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:19:51,337 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:19:51,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:19:51,338 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:19:51,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:19:51,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:19:51,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:19:51,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:19:51,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:19:51,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:19:51,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:19:51,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:19:51,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:19:51,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:19:51,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:19:51,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:19:51,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:19:51,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:19:51,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:19:51,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:19:51,389 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:19:51,390 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:19:51,390 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-20 23:19:51,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cda2cb313/8b730cd71d46475f90f3814a719ee6ea/FLAGedc224a2b [2019-09-20 23:19:51,892 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:19:51,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-20 23:19:51,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cda2cb313/8b730cd71d46475f90f3814a719ee6ea/FLAGedc224a2b [2019-09-20 23:19:52,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cda2cb313/8b730cd71d46475f90f3814a719ee6ea [2019-09-20 23:19:52,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:19:52,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:19:52,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:52,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:19:52,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:19:52,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45126d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52, skipping insertion in model container [2019-09-20 23:19:52,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,318 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:19:52,341 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:19:52,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:52,589 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:19:52,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:52,715 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:19:52,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52 WrapperNode [2019-09-20 23:19:52,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:52,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:19:52,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:19:52,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:19:52,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... [2019-09-20 23:19:52,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:19:52,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:19:52,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:19:52,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:19:52,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:19:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:19:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:19:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 23:19:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:19:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:19:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:19:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 23:19:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 23:19:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:19:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:19:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:19:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:19:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:19:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:19:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:19:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:19:52,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:19:53,260 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:19:53,260 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 23:19:53,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:53 BoogieIcfgContainer [2019-09-20 23:19:53,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:19:53,262 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:19:53,263 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:19:53,263 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:19:53,264 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:53" (1/1) ... [2019-09-20 23:19:53,265 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:19:53,293 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:19:53,293 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:19:53,301 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:19:53,310 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:19:53,312 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:19:53,467 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 23:19:53,798 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 23:19:54,067 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 23:19:54,295 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 23:19:54,476 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 23:20:02,658 WARN L191 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-09-20 23:20:07,354 WARN L191 SmtUtils]: Spent 4.63 s on a formula simplification that was a NOOP. DAG size: 162 [2019-09-20 23:20:12,422 WARN L191 SmtUtils]: Spent 5.04 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 23:20:14,870 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 181 [2019-09-20 23:20:15,314 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 23:20:15,451 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 23:20:15,641 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 23:20:15,765 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 23:20:16,003 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 23:20:16,162 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 23:20:16,444 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-20 23:20:16,876 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-20 23:20:17,264 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2019-09-20 23:20:17,394 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2019-09-20 23:20:18,271 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 465 [2019-09-20 23:20:18,519 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-09-20 23:20:19,314 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 560 [2019-09-20 23:20:20,354 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 560 [2019-09-20 23:20:26,690 WARN L191 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 694 DAG size of output: 655 [2019-09-20 23:20:28,891 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 655 [2019-09-20 23:20:29,065 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 714 [2019-09-20 23:20:31,321 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:20:31,321 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:20:31,323 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 83#(not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) 4)))) [2019-09-20 23:20:31,333 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:20:31,333 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:20:31,335 INFO L168 Benchmark]: Toolchain (without parser) took 39036.88 ms. Allocated memory was 133.7 MB in the beginning and 325.1 MB in the end (delta: 191.4 MB). Free memory was 90.1 MB in the beginning and 297.9 MB in the end (delta: -207.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 23:20:31,336 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:20:31,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.15 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.9 MB in the beginning and 176.0 MB in the end (delta: -86.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:20:31,338 INFO L168 Benchmark]: Boogie Preprocessor took 49.73 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 174.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:20:31,338 INFO L168 Benchmark]: RCFGBuilder took 496.02 ms. Allocated memory is still 199.8 MB. Free memory was 174.0 MB in the beginning and 150.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-20 23:20:31,339 INFO L168 Benchmark]: Sifa took 38071.11 ms. Allocated memory was 199.8 MB in the beginning and 325.1 MB in the end (delta: 125.3 MB). Free memory was 150.9 MB in the beginning and 297.9 MB in the end (delta: -147.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 23:20:31,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 414.15 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.9 MB in the beginning and 176.0 MB in the end (delta: -86.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.73 ms. Allocated memory is still 199.8 MB. Free memory was 176.0 MB in the beginning and 174.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 496.02 ms. Allocated memory is still 199.8 MB. Free memory was 174.0 MB in the beginning and 150.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Sifa took 38071.11 ms. Allocated memory was 199.8 MB in the beginning and 325.1 MB in the end (delta: 125.3 MB). Free memory was 150.9 MB in the beginning and 297.9 MB in the end (delta: -147.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 38030, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 36, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 29, TOOLS_POST_TIME[ms]: 20869, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_APPLICATIONS: 36, TOOLS_QUANTIFIERELIM_TIME[ms]: 20860, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17953, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 44, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 980, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 12248, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 3812, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 20, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 35867, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35866, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 125, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 124, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 119, DAG_COMPRESSION_RETAINED_NODES: 43 - UnprovableResult [Line: 51]: 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 83#(not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) 4)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...