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/loop-invgen/id_build.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 21:40:40,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 21:40:40,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 21:40:40,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 21:40:40,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 21:40:40,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 21:40:40,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 21:40:40,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 21:40:40,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 21:40:40,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 21:40:40,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 21:40:40,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 21:40:40,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 21:40:40,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 21:40:40,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 21:40:40,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 21:40:40,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 21:40:40,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 21:40:40,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 21:40:40,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 21:40:40,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 21:40:40,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 21:40:40,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 21:40:40,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 21:40:40,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 21:40:40,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 21:40:40,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 21:40:40,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 21:40:40,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 21:40:40,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 21:40:40,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 21:40:40,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 21:40:40,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 21:40:40,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 21:40:40,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 21:40:40,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 21:40:40,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 21:40:40,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 21:40:40,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 21:40:40,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 21:40:40,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 21:40:40,280 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 [2019-09-19 21:40:40,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 21:40:40,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 21:40:40,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 21:40:40,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 21:40:40,296 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 21:40:40,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 21:40:40,297 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 21:40:40,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 21:40:40,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 21:40:40,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 21:40:40,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 21:40:40,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 21:40:40,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 21:40:40,298 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 21:40:40,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 21:40:40,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 21:40:40,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 21:40:40,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 21:40:40,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 21:40:40,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 21:40:40,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 21:40:40,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 21:40:40,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 21:40:40,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 21:40:40,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 21:40:40,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 21:40:40,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 21:40:40,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 21:40:40,301 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 [2019-09-19 21:40:40,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 21:40:40,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 21:40:40,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 21:40:40,367 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 21:40:40,367 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 21:40:40,368 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+nlh-reducer.c [2019-09-19 21:40:40,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b0d1087/da5f6dede3f7415ba9c14f8f06141606/FLAGe1771510c [2019-09-19 21:40:41,016 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 21:40:41,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.p+nlh-reducer.c [2019-09-19 21:40:41,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b0d1087/da5f6dede3f7415ba9c14f8f06141606/FLAGe1771510c [2019-09-19 21:40:41,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b0d1087/da5f6dede3f7415ba9c14f8f06141606 [2019-09-19 21:40:41,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 21:40:41,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 21:40:41,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 21:40:41,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 21:40:41,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 21:40:41,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:40:41" (1/1) ... [2019-09-19 21:40:41,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c830a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:40:41, skipping insertion in model container [2019-09-19 21:40:41,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:40:41" (1/1) ... [2019-09-19 21:40:41,304 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 21:40:41,378 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 21:40:41,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:40:41,979 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 21:40:42,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:40:42,237 INFO L192 MainTranslator]: Completed translation [2019-09-19 21:40:42,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:40:42 WrapperNode [2019-09-19 21:40:42,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 21:40:42,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 21:40:42,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 21:40:42,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 21:40:42,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:40:42" (1/1) ... [2019-09-19 21:40:42,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:40:42" (1/1) ... [2019-09-19 21:40:42,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:40:42" (1/1) ... [2019-09-19 21:40:42,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:40:42" (1/1) ... [2019-09-19 21:40:42,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:40:42" (1/1) ... [2019-09-19 21:40:42,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:40:42" (1/1) ... [2019-09-19 21:40:42,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:40:42" (1/1) ... [2019-09-19 21:40:42,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 21:40:42,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 21:40:42,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 21:40:42,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 21:40:42,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:40:42" (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 [2019-09-19 21:40:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 21:40:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 21:40:42,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 21:40:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 21:40:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-19 21:40:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 21:40:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 21:40:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 21:40:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 21:40:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 21:40:43,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 21:40:43,927 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 21:40:43,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:40:43 BoogieIcfgContainer [2019-09-19 21:40:43,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 21:40:43,929 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 21:40:43,929 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 21:40:43,930 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 21:40:43,931 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:40:43" (1/1) ... [2019-09-19 21:40:43,931 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 [2019-09-19 21:40:43,961 INFO L162 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-09-19 21:40:43,962 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 21:40:43,985 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 21:40:43,993 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 21:40:43,995 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 21:40:44,067 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-19 21:40:47,708 WARN L191 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 346 DAG size of output: 146 [2019-09-19 21:40:47,990 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-19 21:40:51,185 WARN L191 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 543 DAG size of output: 338 [2019-09-19 21:40:52,366 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 338 [2019-09-19 21:41:02,568 WARN L191 SmtUtils]: Spent 10.19 s on a formula simplification. DAG size of input: 655 DAG size of output: 347 [2019-09-19 21:41:05,708 WARN L191 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 347 [2019-09-19 21:41:07,956 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 341 DAG size of output: 340 [2019-09-19 21:41:09,082 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 340 [2019-09-19 21:41:09,982 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 146 [2019-09-19 21:41:10,238 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-19 21:41:12,128 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 344 DAG size of output: 146 [2019-09-19 21:41:12,393 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-19 21:41:15,494 WARN L191 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 578 DAG size of output: 338 [2019-09-19 21:41:16,624 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 338 [2019-09-19 21:41:26,861 WARN L191 SmtUtils]: Spent 10.22 s on a formula simplification. DAG size of input: 584 DAG size of output: 347 [2019-09-19 21:41:30,015 WARN L191 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 347 [2019-09-19 21:41:32,271 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 341 DAG size of output: 340 [2019-09-19 21:41:33,375 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 340 [2019-09-19 21:41:36,743 WARN L191 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 356 DAG size of output: 346 [2019-09-19 21:41:37,865 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-19 21:41:40,231 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 365 DAG size of output: 346 [2019-09-19 21:41:41,389 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-19 21:41:44,473 WARN L191 SmtUtils]: Spent 3.08 s on a formula simplification that was a NOOP. DAG size: 354 [2019-09-19 21:41:47,555 WARN L191 SmtUtils]: Spent 3.08 s on a formula simplification that was a NOOP. DAG size: 354 [2019-09-19 21:41:54,280 WARN L191 SmtUtils]: Spent 6.67 s on a formula simplification. DAG size of input: 371 DAG size of output: 352 [2019-09-19 21:41:57,622 WARN L191 SmtUtils]: Spent 3.34 s on a formula simplification that was a NOOP. DAG size: 352 [2019-09-19 21:42:06,003 WARN L191 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 362 DAG size of output: 360 [2019-09-19 21:42:10,198 WARN L191 SmtUtils]: Spent 4.19 s on a formula simplification that was a NOOP. DAG size: 360 [2019-09-19 21:42:19,050 WARN L191 SmtUtils]: Spent 8.82 s on a formula simplification. DAG size of input: 375 DAG size of output: 356 [2019-09-19 21:42:23,441 WARN L191 SmtUtils]: Spent 4.39 s on a formula simplification that was a NOOP. DAG size: 356 [2019-09-19 21:42:34,118 WARN L191 SmtUtils]: Spent 10.67 s on a formula simplification. DAG size of input: 369 DAG size of output: 364 [2019-09-19 21:42:39,454 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 364 [2019-09-19 21:42:51,083 WARN L191 SmtUtils]: Spent 11.59 s on a formula simplification. DAG size of input: 379 DAG size of output: 360 [2019-09-19 21:42:56,607 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 360 [2019-09-19 21:43:09,555 WARN L191 SmtUtils]: Spent 12.94 s on a formula simplification. DAG size of input: 373 DAG size of output: 368 [2019-09-19 21:43:16,018 WARN L191 SmtUtils]: Spent 6.46 s on a formula simplification that was a NOOP. DAG size: 368 [2019-09-19 21:43:29,828 WARN L191 SmtUtils]: Spent 13.77 s on a formula simplification. DAG size of input: 383 DAG size of output: 364 [2019-09-19 21:43:36,497 WARN L191 SmtUtils]: Spent 6.67 s on a formula simplification that was a NOOP. DAG size: 364 [2019-09-19 21:43:51,825 WARN L191 SmtUtils]: Spent 15.32 s on a formula simplification. DAG size of input: 376 DAG size of output: 373 [2019-09-19 21:43:56,580 WARN L191 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 368 DAG size of output: 356 [2019-09-19 21:43:57,742 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 356 [2019-09-19 21:43:59,974 WARN L191 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 348 DAG size of output: 146 [2019-09-19 21:44:00,239 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-19 21:44:03,914 WARN L191 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 356 DAG size of output: 346 [2019-09-19 21:44:05,054 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-19 21:44:07,420 WARN L191 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 365 DAG size of output: 346 [2019-09-19 21:44:08,572 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-19 21:44:11,676 WARN L191 SmtUtils]: Spent 3.10 s on a formula simplification that was a NOOP. DAG size: 354 [2019-09-19 21:44:14,785 WARN L191 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 354 [2019-09-19 21:44:21,372 WARN L191 SmtUtils]: Spent 6.56 s on a formula simplification. DAG size of input: 371 DAG size of output: 352 [2019-09-19 21:44:24,659 WARN L191 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 352 [2019-09-19 21:44:33,082 WARN L191 SmtUtils]: Spent 8.41 s on a formula simplification. DAG size of input: 362 DAG size of output: 360 [2019-09-19 21:44:37,276 WARN L191 SmtUtils]: Spent 4.19 s on a formula simplification that was a NOOP. DAG size: 360 [2019-09-19 21:44:46,260 WARN L191 SmtUtils]: Spent 8.95 s on a formula simplification. DAG size of input: 375 DAG size of output: 356 [2019-09-19 21:44:50,691 WARN L191 SmtUtils]: Spent 4.43 s on a formula simplification that was a NOOP. DAG size: 356 [2019-09-19 21:45:01,412 WARN L191 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 368 DAG size of output: 364 [2019-09-19 21:45:06,751 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 364 [2019-09-19 21:45:17,990 WARN L191 SmtUtils]: Spent 11.20 s on a formula simplification. DAG size of input: 379 DAG size of output: 360 [2019-09-19 21:45:23,615 WARN L191 SmtUtils]: Spent 5.62 s on a formula simplification that was a NOOP. DAG size: 360 [2019-09-19 21:45:36,619 WARN L191 SmtUtils]: Spent 13.00 s on a formula simplification. DAG size of input: 372 DAG size of output: 368 [2019-09-19 21:45:43,125 WARN L191 SmtUtils]: Spent 6.50 s on a formula simplification that was a NOOP. DAG size: 368 [2019-09-19 21:45:56,633 WARN L191 SmtUtils]: Spent 13.48 s on a formula simplification. DAG size of input: 383 DAG size of output: 364 [2019-09-19 21:46:03,333 WARN L191 SmtUtils]: Spent 6.70 s on a formula simplification that was a NOOP. DAG size: 364 [2019-09-19 21:46:18,696 WARN L191 SmtUtils]: Spent 15.35 s on a formula simplification. DAG size of input: 376 DAG size of output: 373 [2019-09-19 21:46:18,820 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 21:46:18,821 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 21:46:18,823 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 634#(and (= main_~__VERIFIER_assert__cond~136 0) (and (= main_~__VERIFIER_assert__cond~136 main_~__tmp_137~0) (and (< 0 (+ main_~main__i~0 1)) (= 1 main_~__tmp_136~0)) (= main_~__VERIFIER_assert__cond~135 main_~__tmp_136~0) (< main_~main__j~0 8) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_137~0))) [2019-09-19 21:46:18,824 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 834#(and (= main_~__VERIFIER_assert__cond~135 0) (= main_~__VERIFIER_assert__cond~135 main_~__tmp_136~0) (= main_~__tmp_136~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0))) [2019-09-19 21:46:18,844 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 21:46:18,844 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 21:46:18,846 INFO L168 Benchmark]: Toolchain (without parser) took 337555.98 ms. Allocated memory was 137.4 MB in the beginning and 191.9 MB in the end (delta: 54.5 MB). Free memory was 90.3 MB in the beginning and 47.5 MB in the end (delta: 42.8 MB). Peak memory consumption was 97.3 MB. Max. memory is 7.1 GB. [2019-09-19 21:46:18,847 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 21:46:18,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 947.42 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 90.1 MB in the beginning and 159.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2019-09-19 21:46:18,849 INFO L168 Benchmark]: Boogie Preprocessor took 126.64 ms. Allocated memory is still 202.9 MB. Free memory was 159.9 MB in the beginning and 155.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-19 21:46:18,850 INFO L168 Benchmark]: RCFGBuilder took 1562.74 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 155.5 MB in the beginning and 135.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. [2019-09-19 21:46:18,851 INFO L168 Benchmark]: Sifa took 334915.30 ms. Allocated memory was 235.9 MB in the beginning and 191.9 MB in the end (delta: -44.0 MB). Free memory was 135.9 MB in the beginning and 47.5 MB in the end (delta: 88.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2019-09-19 21:46:18,856 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 137.4 MB. Free memory was 110.5 MB in the beginning and 110.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 947.42 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 90.1 MB in the beginning and 159.9 MB in the end (delta: -69.8 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.64 ms. Allocated memory is still 202.9 MB. Free memory was 159.9 MB in the beginning and 155.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1562.74 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 155.5 MB in the beginning and 135.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. * Sifa took 334915.30 ms. Allocated memory was 235.9 MB in the beginning and 191.9 MB in the end (delta: -44.0 MB). Free memory was 135.9 MB in the beginning and 47.5 MB in the end (delta: 88.3 MB). Peak memory consumption was 44.3 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]: 334863, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 740, DAG_INTERPRETER_EARLY_EXITS: 11, TOOLS_POST_APPLICATIONS: 721, TOOLS_POST_TIME[ms]: 1009, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 674, TOOLS_QUANTIFIERELIM_TIME[ms]: 687, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 769, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 39, DOMAIN_JOIN_TIME[ms]: 166484, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 165927, DOMAIN_ISSUBSETEQ_APPLICATIONS: 29, DOMAIN_ISSUBSETEQ_TIME[ms]: 107, DOMAIN_ISBOTTOM_APPLICATIONS: 24, DOMAIN_ISBOTTOM_TIME[ms]: 106, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 309640, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 309639, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 29, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 26, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 36, REGEX_TO_DAG_TIME[ms]: 17, DAG_COMPRESSION_TIME[ms]: 983, DAG_COMPRESSION_PROCESSED_NODES: 62614, DAG_COMPRESSION_RETAINED_NODES: 19407 - UnprovableResult [Line: 1775]: 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 634#(and (= main_~__VERIFIER_assert__cond~136 0) (and (= main_~__VERIFIER_assert__cond~136 main_~__tmp_137~0) (and (< 0 (+ main_~main__i~0 1)) (= 1 main_~__tmp_136~0)) (= main_~__VERIFIER_assert__cond~135 main_~__tmp_136~0) (< main_~main__j~0 8) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_137~0))). Possible FailurePath: - UnprovableResult [Line: 1758]: 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 834#(and (= main_~__VERIFIER_assert__cond~135 0) (= main_~__VERIFIER_assert__cond~135 main_~__tmp_136~0) (= main_~__tmp_136~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...