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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/string-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:18:56,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:18:56,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:18:56,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:18:56,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:18:56,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:18:56,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:18:56,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:18:56,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:18:56,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:18:56,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:18:56,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:18:56,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:18:56,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:18:56,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:18:56,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:18:56,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:18:56,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:18:56,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:18:56,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:18:56,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:18:56,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:18:56,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:18:56,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:18:56,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:18:56,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:18:56,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:18:56,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:18:56,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:18:56,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:18:56,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:18:56,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:18:56,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:18:56,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:18:56,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:18:56,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:18:56,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:18:56,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:18:56,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:18:56,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:18:56,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:18:56,313 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 [2019-09-18 11:18:56,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:18:56,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:18:56,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:18:56,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:18:56,345 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:18:56,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:18:56,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:18:56,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:18:56,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:18:56,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:18:56,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:18:56,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:18:56,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:18:56,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:18:56,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:18:56,348 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:18:56,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:18:56,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:18:56,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:18:56,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:18:56,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:18:56,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:18:56,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:18:56,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:18:56,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:18:56,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:18:56,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:18:56,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:18:56,353 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 -> SingleStatement 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 [2019-09-18 11:18:56,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:18:56,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:18:56,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:18:56,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:18:56,428 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:18:56,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-1.i [2019-09-18 11:18:56,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a345328a8/56646b81341f4a4ea364a3f4ad9fb266/FLAG39f83bff4 [2019-09-18 11:18:56,949 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:18:56,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-1.i [2019-09-18 11:18:56,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a345328a8/56646b81341f4a4ea364a3f4ad9fb266/FLAG39f83bff4 [2019-09-18 11:18:57,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a345328a8/56646b81341f4a4ea364a3f4ad9fb266 [2019-09-18 11:18:57,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:18:57,349 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:18:57,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:18:57,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:18:57,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:18:57,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:18:57" (1/1) ... [2019-09-18 11:18:57,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a7327f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:57, skipping insertion in model container [2019-09-18 11:18:57,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:18:57" (1/1) ... [2019-09-18 11:18:57,362 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:18:57,379 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:18:57,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:18:57,552 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:18:57,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:18:57,684 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:18:57,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:57 WrapperNode [2019-09-18 11:18:57,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:18:57,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:18:57,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:18:57,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:18:57,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:57" (1/1) ... [2019-09-18 11:18:57,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:57" (1/1) ... [2019-09-18 11:18:57,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:57" (1/1) ... [2019-09-18 11:18:57,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:57" (1/1) ... [2019-09-18 11:18:57,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:57" (1/1) ... [2019-09-18 11:18:57,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:57" (1/1) ... [2019-09-18 11:18:57,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:57" (1/1) ... [2019-09-18 11:18:57,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:18:57,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:18:57,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:18:57,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:18:57,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:57" (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 [2019-09-18 11:18:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:18:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:18:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 11:18:57,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:18:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:18:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-18 11:18:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:18:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-18 11:18:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:18:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 11:18:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 11:18:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 11:18:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 11:18:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:18:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:18:58,171 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:18:58,172 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 11:18:58,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:18:58 BoogieIcfgContainer [2019-09-18 11:18:58,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:18:58,174 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:18:58,174 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:18:58,174 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:18:58,175 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:18:58" (1/1) ... [2019-09-18 11:18:58,175 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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 [2019-09-18 11:18:58,195 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:18:58,195 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:18:58,203 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:18:58,210 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:18:58,212 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:18:58,376 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-18 11:18:58,716 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-18 11:18:59,035 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-18 11:18:59,350 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-18 11:18:59,735 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 122 [2019-09-18 11:19:02,451 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-18 11:19:02,844 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-18 11:19:03,231 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 11:19:03,776 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-18 11:19:04,208 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-18 11:19:04,576 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-18 11:19:04,733 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-18 11:19:04,929 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2019-09-18 11:19:05,384 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2019-09-18 11:19:05,749 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-18 11:19:06,330 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-18 11:19:06,540 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-18 11:19:06,858 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-18 11:19:07,616 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-18 11:19:07,898 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-18 11:19:08,303 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-09-18 11:19:08,460 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-18 11:19:08,834 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-18 11:19:09,084 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-18 11:19:09,428 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2019-09-18 11:19:09,563 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 11:19:09,815 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-09-18 11:19:09,925 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 11:19:10,347 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2019-09-18 11:19:10,563 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-18 11:19:10,913 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2019-09-18 11:19:11,084 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 11:19:11,570 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 137 [2019-09-18 11:19:11,802 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-18 11:19:12,263 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 126 [2019-09-18 11:19:12,475 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-18 11:19:13,181 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2019-09-18 11:19:13,414 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-18 11:19:13,858 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-18 11:19:16,212 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 149 [2019-09-18 11:19:16,626 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-18 11:19:17,034 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 11:19:17,329 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 11:19:17,581 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-18 11:19:17,701 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-18 11:19:17,833 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:19:17,967 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:19:18,259 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-18 11:19:18,395 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-18 11:19:18,590 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 11:19:18,762 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 11:19:19,149 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-18 11:19:19,328 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-18 11:19:19,521 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 11:19:19,707 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 11:19:20,215 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-18 11:19:22,828 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-18 11:19:23,218 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-18 11:19:23,634 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 11:19:23,846 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 11:19:24,189 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-18 11:19:24,302 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-18 11:19:24,432 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:19:24,554 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:19:24,862 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-18 11:19:25,031 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-18 11:19:25,193 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 11:19:25,343 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 11:19:25,725 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 87 [2019-09-18 11:19:25,908 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-18 11:19:26,106 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 11:19:26,297 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 11:19:26,820 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2019-09-18 11:19:27,353 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-18 11:19:29,663 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 11:19:30,049 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-18 11:19:30,434 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-18 11:19:30,960 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-18 11:19:31,077 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-18 11:19:31,207 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:19:31,346 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:19:31,658 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-18 11:19:31,804 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-18 11:19:31,967 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 11:19:32,115 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 11:19:32,525 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-18 11:19:32,571 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-18 11:19:32,588 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:19:32,588 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:19:32,590 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1334#false [2019-09-18 11:19:32,595 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-18 11:19:32,595 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:19:32,597 INFO L168 Benchmark]: Toolchain (without parser) took 35247.64 ms. Allocated memory was 133.7 MB in the beginning and 382.7 MB in the end (delta: 249.0 MB). Free memory was 88.5 MB in the beginning and 194.9 MB in the end (delta: -106.4 MB). Peak memory consumption was 142.7 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:32,598 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:19:32,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.16 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 178.2 MB in the end (delta: -89.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:32,599 INFO L168 Benchmark]: Boogie Preprocessor took 48.28 ms. Allocated memory is still 200.8 MB. Free memory was 178.2 MB in the beginning and 175.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:32,600 INFO L168 Benchmark]: RCFGBuilder took 438.25 ms. Allocated memory is still 200.8 MB. Free memory was 175.9 MB in the beginning and 153.2 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:32,601 INFO L168 Benchmark]: Sifa took 34422.06 ms. Allocated memory was 200.8 MB in the beginning and 382.7 MB in the end (delta: 181.9 MB). Free memory was 153.2 MB in the beginning and 194.9 MB in the end (delta: -41.6 MB). Peak memory consumption was 140.3 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:32,604 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 336.16 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 178.2 MB in the end (delta: -89.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.28 ms. Allocated memory is still 200.8 MB. Free memory was 178.2 MB in the beginning and 175.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 438.25 ms. Allocated memory is still 200.8 MB. Free memory was 175.9 MB in the beginning and 153.2 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Sifa took 34422.06 ms. Allocated memory was 200.8 MB in the beginning and 382.7 MB in the end (delta: 181.9 MB). Free memory was 153.2 MB in the beginning and 194.9 MB in the end (delta: -41.6 MB). Peak memory consumption was 140.3 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]: 34395, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 950, DAG_INTERPRETER_EARLY_EXITS: 21, TOOLS_POST_APPLICATIONS: 925, TOOLS_POST_TIME[ms]: 907, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 28, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 898, TOOLS_QUANTIFIERELIM_TIME[ms]: 758, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 70, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 1036, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 109, DOMAIN_JOIN_TIME[ms]: 9927, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 64, DOMAIN_WIDEN_TIME[ms]: 22960, DOMAIN_ISSUBSETEQ_APPLICATIONS: 86, DOMAIN_ISSUBSETEQ_TIME[ms]: 219, DOMAIN_ISBOTTOM_APPLICATIONS: 52, DOMAIN_ISBOTTOM_TIME[ms]: 94, LOOP_SUMMARIZER_APPLICATIONS: 22, LOOP_SUMMARIZER_CACHE_MISSES: 22, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 33732, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33731, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 86, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 106, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 106, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 104, DAG_COMPRESSION_PROCESSED_NODES: 2056, DAG_COMPRESSION_RETAINED_NODES: 839 - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...