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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:26:12,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:26:12,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:26:12,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:26:12,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:26:12,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:26:12,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:26:12,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:26:12,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:26:12,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:26:12,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:26:12,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:26:12,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:26:12,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:26:12,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:26:12,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:26:12,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:26:12,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:26:12,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:26:12,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:26:12,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:26:12,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:26:12,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:26:12,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:26:12,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:26:12,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:26:12,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:26:12,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:26:12,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:26:12,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:26:12,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:26:12,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:26:12,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:26:12,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:26:12,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:26:12,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:26:12,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:26:12,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:26:12,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:26:12,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:26:12,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:26:12,313 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 17:26:12,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:26:12,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:26:12,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:26:12,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:26:12,330 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:26:12,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:26:12,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:26:12,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:26:12,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:26:12,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:26:12,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:26:12,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:26:12,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:26:12,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:26:12,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:26:12,332 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:26:12,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:26:12,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:26:12,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:26:12,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:26:12,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:26:12,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:26:12,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:26:12,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:26:12,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:26:12,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:26:12,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:26:12,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:26:12,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:26:12,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:26:12,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:26:12,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:26:12,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:26:12,385 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:26:12,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-20 17:26:12,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94bab9c57/1102393dc46545369cbce942ebc26a77/FLAG3dcd5b079 [2019-09-20 17:26:12,924 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:26:12,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-20 17:26:12,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94bab9c57/1102393dc46545369cbce942ebc26a77/FLAG3dcd5b079 [2019-09-20 17:26:13,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94bab9c57/1102393dc46545369cbce942ebc26a77 [2019-09-20 17:26:13,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:26:13,314 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:26:13,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:26:13,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:26:13,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:26:13,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:26:13" (1/1) ... [2019-09-20 17:26:13,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c271d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:13, skipping insertion in model container [2019-09-20 17:26:13,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:26:13" (1/1) ... [2019-09-20 17:26:13,331 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:26:13,348 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:26:13,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:26:13,621 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:26:13,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:26:13,750 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:26:13,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:13 WrapperNode [2019-09-20 17:26:13,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:26:13,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:26:13,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:26:13,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:26:13,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:13" (1/1) ... [2019-09-20 17:26:13,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:13" (1/1) ... [2019-09-20 17:26:13,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:13" (1/1) ... [2019-09-20 17:26:13,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:13" (1/1) ... [2019-09-20 17:26:13,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:13" (1/1) ... [2019-09-20 17:26:13,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:13" (1/1) ... [2019-09-20 17:26:13,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:13" (1/1) ... [2019-09-20 17:26:13,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:26:13,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:26:13,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:26:13,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:26:13,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:13" (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 17:26:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:26:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:26:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 17:26:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:26:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:26:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:26:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 17:26:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 17:26:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:26:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:26:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:26:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:26:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:26:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:26:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:26:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:26:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:26:14,360 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:26:14,362 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 17:26:14,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:26:14 BoogieIcfgContainer [2019-09-20 17:26:14,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:26:14,364 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:26:14,364 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:26:14,364 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:26:14,365 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:26:14" (1/1) ... [2019-09-20 17:26:14,366 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ 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=SizeLimitFluid [2019-09-20 17:26:14,387 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:26:14,388 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:26:14,395 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:26:14,403 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:26:14,404 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:26:14,640 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:26:14,978 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 17:26:15,257 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:26:15,522 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:26:15,722 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:26:15,921 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:26:24,854 WARN L191 SmtUtils]: Spent 8.85 s on a formula simplification. DAG size of input: 165 DAG size of output: 163 [2019-09-20 17:26:29,377 WARN L191 SmtUtils]: Spent 4.49 s on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 17:26:32,630 WARN L191 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 161 [2019-09-20 17:26:35,275 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification that was a NOOP. DAG size: 183 [2019-09-20 17:26:35,857 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 17:26:36,039 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:26:36,263 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:26:36,394 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:26:36,690 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 17:26:36,876 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 17:26:37,207 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-20 17:26:37,651 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-20 17:26:38,684 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 131 [2019-09-20 17:26:38,975 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 150 [2019-09-20 17:26:39,333 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 169 [2019-09-20 17:26:39,836 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 188 [2019-09-20 17:26:40,350 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:26:40,350 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:26:40,353 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 199#(and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (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 17:26:40,365 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:26:40,365 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:26:40,367 INFO L168 Benchmark]: Toolchain (without parser) took 27052.80 ms. Allocated memory was 133.7 MB in the beginning and 296.2 MB in the end (delta: 162.5 MB). Free memory was 88.4 MB in the beginning and 150.5 MB in the end (delta: -62.1 MB). Peak memory consumption was 100.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:40,368 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-20 17:26:40,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.86 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 176.7 MB in the end (delta: -88.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:40,370 INFO L168 Benchmark]: Boogie Preprocessor took 42.06 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 174.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:40,371 INFO L168 Benchmark]: RCFGBuilder took 569.90 ms. Allocated memory is still 200.8 MB. Free memory was 174.4 MB in the beginning and 152.0 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:40,371 INFO L168 Benchmark]: Sifa took 26001.22 ms. Allocated memory was 200.8 MB in the beginning and 296.2 MB in the end (delta: 95.4 MB). Free memory was 152.0 MB in the beginning and 150.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 97.0 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:40,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 435.86 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 176.7 MB in the end (delta: -88.6 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.06 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 174.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 569.90 ms. Allocated memory is still 200.8 MB. Free memory was 174.4 MB in the beginning and 152.0 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Sifa took 26001.22 ms. Allocated memory was 200.8 MB in the beginning and 296.2 MB in the end (delta: 95.4 MB). Free memory was 152.0 MB in the beginning and 150.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 97.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 25966, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 46, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 39, TOOLS_POST_TIME[ms]: 19769, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_APPLICATIONS: 46, TOOLS_QUANTIFIERELIM_TIME[ms]: 19763, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16717, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 1105, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 92, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 4782, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 110, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 23269, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 23268, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 231, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 231, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, 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 199#(and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (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...